PARTS MANUAL
P773-3

For Models: M773LW3, M773LW3G and NL773LW3

www.northern-lights.com

ULTRA LOW
SULFUR FUEL
ONLY
RE529956
As of January 2011, U.S. EPA regulations require theapplication of a permanently applied label near the fuel tankfill port for diesel driven equipment. This label is to state:
ULTRA LOW SULFUR FUEL ONLY
Northern Lights is providing this label for application to thefuel inlet of the fuel supply tank for each engine or generator
set. This is to be applied by the installer of the engine or gen
set, or by the manufacturer of the equipment that the engine
or gen set is installed in. The location of the label must be
in clear site of personnel that refill the supply tank.

— CALIFORNIA —Proposition 65 Warning:

Breathing Diesel engine exhaust and some of its constituentsare known to the State of California to cause cancer, birthdefects, and other reproductive harm.
* Always start and operate the engine in a well-ventilated area.
* If in an enclosed area, vent the exhaust to the outside.
* Do not modify or tamper with the exhaust system.
* Do not idle the engine except as necessary.
For more information, go to www.P65warnings.ca.gov/diesel.

Northern Lights
4420 14th Avenue NW
Seattle, WA 98107
Tel: (206) 789-3880
Fax: (206) 782-5455
Copyright ©2020 Northern Lights, Inc.
All rights reserved. Northern Lights™, andthe Northern Lights logo are trademarks ofNorthern Lights, Inc.
Printed in U.S.A.
PART NO.: P773-3 3/20

PARTS MANUAL

for Models
M773LW3, M773LW3G and NL773LW3
Please read thoroughly before attempting to use this manual:
Table of Contents............................................................................................................................................ 1
Model Designation & Serial Numbers............................................................................................................... 2
Reading a Parts Page....................................................................................................................................... 3

Table of Contents
GROUP 1 - ENGINE
Cylinder Block Assembly........................... 0 - 3
Crankshaft Assembly................................. 4 - 5
Oil Drain and Valve...................................... 6
Oil Pump & Pick-up....................................... 7
Camshaft....................................................... 8
Cylinder Head................................................ 9
Rocker Arm Cover & Assembly.............. 11 - 13

GROUP 5 - ELECTRICAL SYSTEM
12 Volt Standard Ground...............................0 - 3
12 Volt Isolated Ground.................................4 - 7
24 Volt Standard Ground......................... 8 - 11
24 Volt Isolated Ground........................ 12 - 15
Small Frame Alternator & Starter............ 16 - 17
Medium Frame Alternator & Starter.............. 18
Starter, Alternator, & Flywheel Housing......... 19
Control Panels....................................... 20 - 31
Belt Guard Assembly............................. 32 - 33

GROUP 2 - INTAKE & EXHAUST SYSTEMAir Filter & Housing.................................. 0 - 1
Muffler.......................................................... 2

GROUP 6 - GASKET SETS
Gasket Sets...........................................................0

GROUP 3 - COOLING
Coolant Recovery Tank................................... 0
Exhaust Manifold & Heat Exchanger.......... 2 - 3
Expansion Tank & Exhaust Manifold......... 4 - 5
Coolant Pump.......................................... 6 - 7
Raw Water Pump & Mounting......................... 8
Raw Water Pump Assembly............................. 9
Radiator & Guard.................................. 10 - 11

GROUP 7 - FRAME & MOUNTING
Base Frame Assembly................................ 0 - 1
Base Pan with Mounting........................... 2 - 5
GROUP 8 - ACCESSORIES
9 & OPTIONAL EQUIPMENTOil Drain Kit.................................................. 0
Keel Cooling Conversion Kit........................... 1

GROUP 4 - FUEL SYSTEM
Injection Pump & Lines ............................ 0 - 1
Governor & Timing Gear Case................... 2 - 5
Fuel Filter & Piping .................................. 6 - 7
Fuel Lines .............................................. 8 - 12
Fuel Injector................................................. 14
Fuel Feed Pump........................................... 15

Proprietary Information
This publication is the sole property of Northern Lights, Inc.
It may not be reproduced in whole or part without the expressed written permission of Northern Lights, Inc.
© Northern Lights, Inc. 2018 All rights reserved. Litho U.S.A. Publication number: P773-3 3/20

P773-3 3/20

I

Model Designation
MODELS INCLUDEDThis manual covers the parts and components used in:
M773LW3, M773LW3G and NL773LW3

Model Numbers
Model numbers give the unit's application, block model, aspiration, and RPM:
M - NLM - Northern Lights marine generator set
NL - Northern Lights industrial generator set

M773LW3

773

L, G, 2, 3

Model number of engine block
Bore
Cylinders
77 mm
3Lights marine diesel generator set= Northernwith an 773 engine and a PX-309K2

NL773LW3

L - Long stroke engine
G- GEM Series base frame
2 - US EPA Tier II
3 - US EPA Tier III

Northern Lights industrial diesel generator set= with an 773 engine and a PX-309K2 generator
with a different winding, Tier III.

generator with a different winding, Tier III.

Serial Numbers						Your set has three serial numbers: 1 an engine number stamped on the block, 2 a generator plate and, 3 agenerator set plate. Use the serial number on the generator set plate when ordering parts or in correspondence.
The generator set plate is found on the service side of the generator and resembles the drawing below.

P773-3 3/20

II

Reading a Parts Page
IMPORTANT:

Before selecting parts, be sure that you are choosing parts from the correct page.
Check the model designation at the page top.
Do not use this illustration for parts purchasing.

15

Updated 3-31-16

1

ELECTRICAL SYSTEM

ALTERNATOR ASSEMBLY: M - NL773

4

6
5

KEY
0
1
2
3
4
5
6
7
8
9
10
11
12

PART NUMBER
185046210
185446219
185446217
185716200
185446218
040126210
020210010
027100010
026100010
185446220
015140408
015140425
199236510

3

8

7
QTY.
1
1
1
1
1
2
1
1
1
1
1
2
1

9
DESCRIPTION

P773 06/02

11

5-2

REFERENCES:
1. Grouping section title.
2. Model designation of equipment that uses parts
listed on this page.
3. Title and description of assembly.
4. Drawing numbers that correspond to key
column numbers for parts identification.
5. Key column for locating parts shown on drawing.
6. Part number.
		

SERIAL NUMBER

10

Alternator Assembly
Flywheel, complete
Plate, complete
Plate
Stator, complete
Bearing
Nut
Spring washer
Washer
Clamp
Screw
Screw
Collar

13

2

-

14
12

7. Quantity of parts used.
8. Description of each component part.
9. Serial number of unit the part fits.
10. Assembly or kit designated by •• or •.
11. Grouping index number.
12. Page number within the grouping index.
13. Manual title.
14. Page publication date.
15. Date of most recent update

NOTE: a Arrows always point toward the front of the engine.

P773-3 3/20

III

GROUP 1 – ENGINE

Cylinder Block Assembly
M773LW3

773cyl

P773-3 3/20

1-0

Updated 3-31-20
GROUP 1 – ENGINE

Cylinder Block Assembly
M773LW3
KEY

PART NUMBER

QTY

DESCRIPTION

S/N

1
2
3
4
5
6
7
8
9
10
		
11
		
		
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43

110103541
198466050
064210025
064210035
064210015
198466010
064209055
198466030
165296142
110708620
110701260
198517592
198517596
198517599
040106203
064100045
042303015
036509005
030500512
030500616
030501025
030309005
012110620
012110635
012110660
110996800
050209107
198736050
140546020
24-02002
120116160
120456223
140036220
052109078
068115200
198486770
010109235
110756490
011310612
198416270
052109113
21-00003
23-78601
15-00302
12-00311
18-72004

1
1
1
2
1
4
2
4
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
1
1
1
1
1
1
1
6
6
1
1
1
1
20
1
1
1
2
1
1
1
1
1

Cylinder Block Assembly (Includes keys #2 - #21)
Plug
Expansion Plug, 25 mm
Expansion Plug, 35 mm
Expansion Plug, 15 mm
Plug
Expansion Plug, 40 mm
Plug
Idle Gear Shaft Assembly
Oil Pan (Use with drain hose #43)
Oil Pan (Use with oil drain valve-See parts detail pg.1-6)
Bushing; S.T.D.
Bushing; U.S. 0.25
Bushing; U.S. 0.50
Bearing
Expansion Plug, 45 mm
Bearing
Snap Ring
Dowel Pin
Dowel Pin
Dowel Pin
Spring Pin
Stud
Stud
Stud
GasketOil Seal
Drain Cock
Joint
Oil Filter
TappetPush Rod
Relief Valve Assembly
O-ringTube
Bushing
Capscrew, Hex Head M6 x 1.0 x 14 mm (with Lock Washer)
Dipstick Tube
Bolt
Dipstick
O-ringCap
BracketLock Washer 3/8
Capscrew, Hex Head 3/8-16 x 3/4"
Oil Drain Hose}

P773-3 3/20

1-1

up to S/Nfrom S/N

xxxxx-46361C
xxxxx-46362C-

up to S/N

xxxxx-46361C-

GROUP 1 – ENGINE

Cylinder Block Assembly
NL773LW3

NL773cylblock
P773-3 3/20

1-2

Updated 3-31-20
GROUP 1 – ENGINE

Cylinder Block Assembly
NL773LW3
KEY

PART NUMBER

QTY

DESCRIPTION

1
2
3
4
5
6
7
8
9
10
11
		
		
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

110101520
198466050
064210025
064210035
064210015
064209055
198466010
198466030
165296142
110701110
198517592
198517596
198517599
040106203
064100045
042303015
036509005
030500512
030500616
030501025
030309005
012110620
012110635
012110660
110996800
050209107
198736050
140546020
24-02002
120116160
120456223
140036220
052109078
068115200
198486770
010109235
010109238
025100016
110756490
052109113
011310612
198416270

1
1
1
2
1
2
4
4
1
1
1
1
1
1
1
1
1
2
2
2
2
2
1
1
1
1
1
1
1
6
6
1
1
1
1
20
2
2
1
2
1
1

Cylinder Block Assembly - (includes keys #2- 21)
PlugExpansion Plug, 25 mm
Expansion Plug, 35 mm
Expansion Plug, 15 mm
Expansion Plug, 40 mm
Plug
Plug
Idle Gear Shaft
Oil PanBushing, Standard
Bushing, Undersize 0.25 mm
Bushing, Undersize 0.50 mm
Bearing
Expansion Plug, 45 mm
Needle Bearing
Snap Ring
Dowel Pin
Dowel Pin
Dowel Pin
Spring Pin
Stud Bolt
Stud Bolt
Stud Bolt
GasketOil Seal
Drain Cock
Filter Joint
Oil Filter
TappetPush Rod
Relief Valve Assembly
O-ringTube
Bushing
Bolt
Plug
Seal Washer
Dipstick Tube
O-ringBolt
Dipstick

SERIAL NUMBER

P773-3 3/20

1-3-

GROUP 1 – ENGINE

Crankshaft Assembly

773crankshaft

P773-3 3/20

1 -4

Updated 3-31-20

GROUP 1 – ENGINE

Crankshaft Assembly
KEY

PART NUMBER

1
2
3
4
5
6
7
8
9
10
		
		
11
		
		
12
13
14
15
16
		
17
		
18
19
20
21
22
23
24
		
		
25
26
27
28
29

115256830
115276180
034100508
030509020
030300816
110156400
110156410
110156420
030500612
198517582
198517586
198517589
198517572
198517576
198517579
010810840
010810845
011510840
010700835
115107901
115107430
115017461
115017450
115326231
036500021
115026340
198517120
115176150
020109075
198517602
198517606
198517609
115396650
020800018
115356720
115376130
010109340

QTY
1
1
1
1
1
1
1
1
6
3
3
3
3
3
3
4
2
2
2
3
3
3
3
3
6
3
3
6
6
6
6
6
1
1
1
1
6

DESCRIPTIONSERIAL NUMBER

Crankshaft Assembly (includes keys #2 - 5)
Crankshaft Gear
Key
Dowel Pin
Spring Pin
Bearing Holder Assembly (includes keys #9 & 12)
Bearing Holder Assembly (includes keys #9 & 12)
Bearing Holder Assembly (includes keys #9 & 13)
Dowel Pin
Bearing; Lower S.T.D.
Bearing; Lower U.S. 0.25 mm
Bearing; Lower U.S. 0.50 mm
Bearing; Upper S.T.D.
Bearing; Upper Undersized 0.25 mm
Bearing; Upper Undersized 0.50 mm
Bolt
Bolt
Bolt
Bolt
Ring Kit; S.T.D.
Ring Kit; Oversized 0.50 mm
Piston Kit; S.T.D.
Piston Kit; Oversized 0.50 mm
Piston Pin
Snap Ring
Connecting Rod Assembly (includes keys #21 - 23)
Bushing
Connecting Rod Bolt
Nut
Bearing; S.T.D.
Bearing; Undersized 0.25
Bearing; Undersized 0.50
Crankshaft Pulley
Nut
Flywheel Assembly (includes key #28)
Ring Gear, 96 Teeth
Bolt

P773-3 3/20

1-5-

Updated 9-3-10
GROUP 1 – ENGINE

Kit, Oil Drain and Valve
M773LW3

From S/N xxxx-4632C
to S/N xxxx-54637

3
2

6
5

1

4

B-9826

KEY
1
2
3
4
5
6

PART NUMBER
36-72012
21-71203
18-71207
21-31624
21-00612
21-71034

QTY
1
1
1
1
1
1

DESCRIPTION

S/N

Ball valve, Brass 90 Deg 1/4NPT Male X 1/4NPT Female
Male Connector Brass 1/4NPT X 3/8HB Push-On
Hose 3/8”ID X 7” Push-On
Plug, Hex Head, Brass 1/4NPT
Male Connector, Stl. 1/4NPT X 3/8-37T
Female Swivel, Brass. 3/8HB X 3/8-37T Push-On-

P773-3 3/20

1-6

Updated 2-20-18
GROUP 1 – ENGINE

Kit, Oil Drain and Valve
From S/N xxxx-54637

B-9826A

KEY
1
2
3
4
5
6

PART NUMBER
36-72012
21-71203
18-70003
21-31624
21-00612
21-71034

QTY
1
1
1
1
1
1

DESCRIPTION

S/N

Ball Valve,Brass 90 Degree Flow 1/4NPT Male X 1/4NPT Female
Male Connector, Brass 1/4NPT X 3/8HB PUSH-ON
HOSE 3/8” ID X 6-1/2” PUSH-ON
PLUG,Hex Head, Brass. 1/4NPT
Male Connector STL. 1/4NPT X 3/8-37T
Female SWIVEL,Brass 3/8HB X 3/8-37T PUSH-ON-

P773-3 3/20

1 -7

Updated 3-31-20
GROUP 1 – ENGINE

Oil Pump & Pick-up

Fig. 1-4

KEY

PART NUMBER

QTY

DESCRIPTION

1
2
3
4
5
6
		
		
		
7
8
9
10
		
11
12
13
14
15
16

165026390
199266180
198216821
140166400
140116140
199286150
199286160
199286170
199286180
198216720
199236540
036800010
165166240
165166191
165996520
011310612
052109076
140986830
140406500
011310612

1
1
1
1
1
**
**
**
**
1
1
1
1
1
1
3
1
1
1
2

Idle Gear Assembly (former # 165026100)
Thrust Washer
SpringRotor
Oil Pump Cover
Shim, 0.1 mm
Shim, 0.15 mm
Shim, 0.2 mm
Shim, 0.5 mm
SpringCollarSnap Ring
Front Plate (Marine)
Front Plate (Industrial)
GasketBolt
O-ringOil Pipe
Pick-up
Bolt

				

SERIAL NUMBER**As required
P773-3 3/20

1-8

-			
-

Updated 3-31-20
GROUP 1 – ENGINE

Camshaft

Fig. 1-5

KEY

PART NUMBER

1
2
3
4
5
6
7
8
9
10

120026830
120016021
034100508
120736081
199216230
040109048
125256120
199566651
010700610
011310612

QTY
1
1
1
1
3
1
1
1
1
1

DESCRIPTIONSERIAL NUMBER

Cam Shaft Assembly (includes keys #2- 6)
Cam Gear Assembly
Key
Gear
SpacerBearing
Slider
Plate
Bolt
Bolt

P773-3 3/20

1 -9

-			
-

Updated 3-31-20
GROUP 1 – ENGINE

Cylinder Head773 1-6a

KEY

PART NUMBER

QTY

DESCRIPTION••

111013020
111011630
110136300
110136280
064210015
064210030
064210018
198466030
120166360
120176250
120406070
120406050
198216700
120186080
120226070
120216041
111147560
111147570
111136440
111136450

1
1
3
3
2
2
6
2
3
3
3
3
6
6
12
6
1
1
11
3

Cylinder Head Assembly - (Marine, Includes keys #2-3, 6-13 & 19)
Cylinder Head Assembly - (Industrial, Includes keys #2-3, 6-13 & 19)
Valve Seat
Valve Seat
Expansion Plug, 15 mm
Expansion Plug, 30 mm
Expansion Plug, 18 mm
Plug
Intake Valve
Exhaust Valve
Intake Valve Guide Seal
Exhaust Valve Guide Seal
SpringRetainer
CotterCap
Head Gasket; t = 1.2
Head Gasket; t = 1.3
Head Bolt
Head Bolt

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

SERIAL NUMBER

P773-3 3/20

1 - 10-GROUP 1 – ENGINE

Rocker Arm Assembly

773rockercover

KEY

PART NUMBER

1120037130
		
120037170
2120356200
3120356210
4199486220
5020109076
6120316300
7
198216780
8011310625
9012109177
10023100008
11		
12140607270
13140996260
14
198486780
15120996150
16052100120
17
199280280
18
198487590
19198436150
20015100410

QTY
1
1
3
3
6
6
1
2
2
3
3
1
1
4
1
1
1
4
1
1
1

DESCRIPTIONSERIAL NUMBER

Rocker Arm Assembly (Marine, includes keys #2- 7, 16,17,19, & 20)
Rocker Arm Assembly (Industrial, includes keys #2-7, 16,17,19, & 20)
Intake Rocker Arm
Exhaust Rocker Arm
Screw
Nut
Rocker Arm Shaft
Spring
Bolt
Stud Bolt
Nut
Oil Pressure Switch (see Electrical System)
Oil Pipe
GasketEye Bolt
GasketO-ringShim
Banjo Bolt (Tapped 1/8 NPT Female)
Plug
Screw
P773-3 3/20

1 - 11-

Updated 3-31-20
GROUP 1 – ENGINE

Rocker Arm Cover
M773LW3

773rockerarmcover

KEY

PART NUMBER

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

111217960
111996420
110666220
110666060
015600406
140996260
024600008
198436010
052100400
110566080
011100408
011310680
011310625
135566610
135996751
011310620
390190460

QTY

DESCRIPTIONSERIAL NUMBER

1
1
1
1
4
3
3
1
1
1
4
3
2
1
1
2
1

Rocker Arm Cover
GasketBaffleVent Filter
Screw
GasketCap nut
Cap
O-ring
Valve
Bolt
Bolt
Bolt
Air Intake
GasketBolt
Caution Label

P773-3 3/20

1 - 12

Updated 3-31-20
GROUP 1 – ENGINE

Rocker Arm Cover & Intake
NL773LW3

773rockerarmcover

KEY

PART NUMBER

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

111210140
111996420
110666220
110666060
015600406
140996260
024600008
198436010
052100400
110566080
011100408
011310680
011310625
135566630
135996751
011310620

QTY

DESCRIPTIONSERIAL NUMBER

1
1
1
1
4
3
3
1
1
1
4
3
2
1
1
2

Rocker Arm Cover
GasketBaffleBreather Element
Screw
GasketCap Nut
Cap
O-ringValve, Breather
Bolt
Bolt
Bolt
Air Intake
GasketBolt-

P773-3 3/20

1 - 13

GROUP 2 – INTAKE AND EXHAUSTAir Filter and Housing
M773LW3

A-10836C / C-5742

KEY

PART NUMBER

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18

10-28202
18-28201
19-01024
28-2860110-28603
12-09124
15-01134
24-2860124-28602
10-28602
12-09131
18-28601
19-70022
12-09751
15-00706
12-09712
15-00705
15-00706

QTY
1
1
2
1
1
4
8
1
1
1
4
1
1
1
1
4
4
2

DESCRIPTIONSERIAL NUMBER

Housing
Hose 1- 5/8” ID x 1- 3/4” 3 Ply Silicone
Hose Clamp #24
Silencer Plate
Cover
Capscrew, Hex Head M6 x 1.0 x 50 mm S/S
Flat Washer M6 S/S
ScreenAir Filter Element
Cover
Capscrew, Hex Head M6 x 1.0 x 20 mm S/S
Hose, Air Intake
Cushion Clamp #22
Capscrew, Hex Head M8 x 1.25 x 16 mm S/S
Flat Washer M8 S/S
Capscrew, Hex Head M8 x 1.25 x 25 mm
Lock Washer, Helical M8 S/S
Flat Washer M8 S/S

P773-3 3/20

2-0-

Updated 3-31-20
GROUP 2 – INTAKE & EXHAUST SYSTEMAir Filter and Housing
NL773LW3773aircleaner

KEY

PART NUMBER

1
2
3
4
5
6
7
8
9
10
11
12

135016310
19-00032
135597900
135976610
199236730
011510825
011510820
131976050
135326200
24-27301
135326201
314531163

QTY
1
2
1
1
1
2
2
1
1
1
1
1

DESCRIPTIONSERIAL NUMBER

Air Cleaner Assembly (includes keys #9-12)
Hose Band
Hose
BracketCollar
Bolt
Bolt
BracketFilter Housing
Element
Cover
Valve

P773-3 3/20

2-1-

Updated 3-31-20
GROUP 2 – INTAKE & EXHAUST SYSTEM

Exhaust Manifold & Muffler
NL773L3

773exhmanifold

KEY

PART NUMBER

QTY

DESCRIPTIONSERIAL NUMBER

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
		
16

135046212
135616832
135996900
135406170
011310612
135996541
15-01132012109215
023100006
010109381
020900008
15-00701
408330011
010310850
135606150
27-38200
010109407

1
1
1
1
10
1
4
2
2
4
1
2
1
1
1
1
1

Exhaust Manifold Assembly (includes keys #2- 5)
Exhaust Manifold
GasketHousing
Bolt
GasketSpring Washer
Stud
Nut
Bolt
Nut
WasherBand
Bolt
Exhaust Elbow
Exhaust Elbow, 1- 1/4 NPT (optional)
Bolt
P773-3 3/20

2-2-

This Page Left Intentionally Blank

P773-3 3/20

GROUP 3 – COOLING SYSTEM

Coolant Recovery Tank

A-9347/ B-8741

KEY
1
2
3
4
5
6
7
8

PART NUMBER
310550130
222300090
19-18602
12-00030
15-01132
27-18601
18-18602
19-18602

QTY
1
1
2
2
2
1
1
1

DESCRIPTIONSERIAL NUMBER

Coolant Recovery Tank
Coolant Recovery Tank Mounting Bracket
Hose Clamp
Capscrew, Hex Head, M6 x 1.0 x 16 mm
Lock Washer
Tube 5/16" ID x 23" Polyurethane
Hose 5/16" ID x 28" Polyvinyl
Hose Clamp

P773-3 3/20

3-0-This Page Left Intentionally Blank

P773-3 3/20

GROUP 3 – COOLING SYSTEM

Exhaust Manifold and Heat Exchanger
M773LW3

A-9289/ D-3465

P773-3 3/20

3-2

Updated 3-31-20
GROUP 3 – COOLING SYSTEM

Exhaust Manifold and Heat Exchanger
M773LW3
KEY

PART NUMBER

QTY

DESCRIPTION

1
2
3
		
4
5
6
7
8
9
10
11
12
13
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33

10-02001
20-12002
27-32003
27-32014
145536370
28-1860121-12013
145206022
11-08601
11-3190200-13101
00-08301
18-18601
41-00004
21-13102
21012012
145986150
19-00048
19-00040
19-00012
21-31003
12-09136
12-0913012-09712
15-01134
15-0070611-18602
19-00016
13-09710
14-09711
20-12207
22-42070
22-40482

1
1
1
1
2
1
1
1
1
1
1
1
1
13"
1
1
1
2
2
4
**
6
4
3
10
4
1
2
1
1
1
1
1

Exhaust Manifold/ Expansion Tank
Heat Exchanger Element
Wet Exhaust Elbow, Stainless Steel
Wet Exhaust Elbow, Cast Iron
Heat Exchanger End Cap
Thermostat Cover Plate
Filler Cap
Thermostat
GasketGasketSpring“Northern Lights” Decal
Coolant Pump Inlet Hose
Hose 3/4" ID x 18-1/2"
Union 3/4" Hose Barb
Socket Head Plug 1/2 BSPT, Steel
Connector 1/2 BSPT x 3/4 HB, Steel
Hose Clamp #48
Hose Clamp #40
Hose Clamp #12
Hex Head Plug, Brass 3/8 NPT
Capscrew, Hex Head M6 x 1.0 x 90 mm S/S
Capscrew, Hex Head M6 x 1.0 x 95 mm S/S
Capscrew, Hex Head M8 x 1.25 x 25 mm S/S
Flat Washer M6 S/S
Flat Washer M8 S/S
GasketHose Clamp #16
Stud M8 x 1.25 x 25 mm (35 mm LOA S/S)Hex Nut, M8 x 1.25 S/SFiller Neck
Switch, High Exhaust Temperature
Harness, Exhaust Temperature Switch (not shown)				SERIAL NUMBER**As required

P773-3 3/20

3-3-

GROUP 3 – COOLING SYSTEM

Updated 11-6-18

Expansion Tank & Exhaust Manifold M773L

B-11087

P773-3 3/20

3-4

Updated 11-6-18
GROUP 3 – COOLING SYSTEM

Expansion Tank & Exhaust Manifold M773L

KEY
1
2
3
4
5

PART NUMBER
20-12022
00-18202
15-00039
14-00311
15-00302

QTY
1
2
4
2
2

DESCRIPTIONSERIAL NUMBER

Heat exchanger expansion plug connection rod (M773L - M844)
Partial expansion plug (rubber component) 2-3/8 to 2-1/2
Washer 3/8” size with 2” OD (0.1” thickness)
Hex Nut 3/8-16
Lock washer, helical 3/8”

P773-3 3/20

3-5-

Updated 3-31-20
GROUP 3 – COOLING SYSTEM

Coolant Pump
M773LW3

Fig. 3-2

KEY

PART NUMBER

1
2
3
4
5
6
7
8
9
10

145017870
145996830
011310635
023100006
011310630
145336490
145386390
011310614
21-18601
19-18601

QTY
1
1
1
1
2
1
1
4
1
1

DESCRIPTIONSERIAL NUMBER

Coolant Pump Assembly
Gasket
Bolt
Nut
Bolt
PulleySpacer
Bolt
Cap
Clamp

P773-3 3/20

3-6-

Updated 3-31-20
GROUP 3 – COOLING SYSTEM

Coolant Pump and Thermostat Housing
NL773LW3

NL773coolantpump

KEY

PART NUMBER

1
2
3
4
5
6
7
8
10
11
12
13
14
16
17
18
19
20
21
22

145017870
145996830
011310635
011310630
023100006
145536051
19-00006
064500030
385720030
22-40366
145216920
011310660
145200320
145226530
145996850
011310620
145336490
145386920
145306380
011310635

QTY
1
1
1
2
1
1
2
1
1
1
1
4
1
1
1
1
1
1
1
4

DESCRIPTIONSERIAL NUMBER

Coolant Pump Assembly
Gasket
Bolt
Bolt
Nut
Hose
Clamp #6
Plug
Temperature Switch 230oF (see Electrical System)
Gasket
Thermostat Housing
Bolt
Thermostat
Thermostat Cover
GasketBolt
Fan PulleySpacer
Cooling Fan (Blower 330 mm OD)
Bolt

P773-3 3/20

3-7-

GROUP 3 – COOLING SYSTEM

Raw Water Pump and Mounting

A-4779/ B-3842B

KEY

PART NUMBER

1
2
3
4
5
6
7
8
9
10

16-13101
14-00811
15-0080221-0012925-12057
340460141
12-34801
12-00718
023100008
15-00702

QTY
1
1
1
2
1
1
3
1
3
1

DESCRIPTIONSERIAL NUMBER

O-RingNut M10 x 1.5
Lock Washer M10
Fitting 1/2 NPT x 3/4 Hose Barb
Raw Water Pump (see parts detail)
Drive Gear
Capscrew, Hex Head M8 x 1.25 x 70 mm
Capscrew, Hex Head M8 x 1.25 x 65 mm
Hex Nut M8 x 1.25, Flanged
Lock Washer M8
P773-3 3/20

3-8-

Updated 3-31-20
GROUP 3 – COOLING SYSTEM

Raw Water Pump Assembly

A-3706/ C-2204

KEY

PART NUMBER

••
•
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

25-12057
25-12004
25-12058
25-12059
25-12060
25-12061
25-12062
25-12063
25-12064
25-12065
25-12066
25-12017
25-12067
25-12068
25-12069
25-12070
25-12071
25-12072
25-12073

QTY
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
6
6

DESCRIPTIONSERIAL NUMBER

Raw Water Pump Assembly (includes keys #1 - 17)
Repair Kit (includes keys #3- 9, & 11)
Raw Water Pump Housing
Raw Water Pump Shaft
Impeller
Cam
Wear Plate
End Cover
Bearing
Lip Seal
Mechanical Seal
Spline Seal
O-ringRetaining Ring
Retaining Ring
WasherPan Head Screw #10-32 x 3/8
Hex Head Screw #10-32 x 3/8
Split Lock Washer #10
P773-3 3/20

3-9-

GROUP 3 – COOLING SYSTEM

Radiator and Guard, Aluminum
NL773LW3

Base
Frame

A-11840/ D-3494z
P773-3 3/20

3 - 10GROUP 3 – COOLING SYSTEM

Radiator and Guard, Aluminum
NL773LW3

KEY

PART NUMBER

QTY

DESCRIPTIONSERIAL NUMBER

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27

145506610
39-18601
39-18602
39-18603
39-18604
39-18209
145537220
145537440
19-00016
19-00020
12-00751
12-00711
12-00753
12-00714
15-00702
15-00701
12-00030
15-01132
15-00008
12-0113100-71001
145546930
011150610
310110200
310120170
21-12016
310190477

1
1
1
1
1
1
1
1
2
2
4
2
1
1
6
8
14
18
18
4
1
1
6
1
2
1
1

Radiator
Side Panel, Left handSide Panel, Right hand
Top Panel
Radiator Support
GrilleHose, Radiator Outlet
Hose, Radiator Inlet
Hose Clamp #16
Hose Clamp #20
Capscrew, Hex Head M8 x 1.25 x 16 mm
Capscrew, Hex Head M8 x 1.25 x 20 mm
Capscrew, Hex Head M8 x 1.25 x 30 mm (left hand side)
Capscrew, Hex Head M8 x 1.25 x 40 mm (right hand side)
Lock Washer, Helical M8
Flat Washer M8
Capscrew, Hex Head M6 x 1.0 x 16 mm
Lock Washer, Helical M6
Flat Washer M6
Capscrew, Hex Head M6 x 1.0 x 20 mm
Decal, “Northern Lights”
Shroud with Fan Guard
Bolt
Filler Cap
Overflow Hose
Drain CockO-ring

P773-3 3/20

3 - 11-GROUP 4 – FUEL SYSTEM

Injection Pump and Lines

Fig. 4-00

P773-3 3/20

4-0

Updated 3-31-20
GROUP 4 – FUEL SYSTEM

Injection Pump and Lines

KEY

PART NUMBER

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
		
		
23
24
25

131017921
131426300
023100006
011310620
131426200
131406470
131606880
131507740
131507750
131507760
199106021
010110625
023100006
185366220
023100004
185376372
185606170
130996130
025100006
131236280
025100016
185206085
185206192
185206203
130506140
011140614
011140616

QTY
1
1
2
2
3
3
1
1
1
1
4
2
2
3
3
1
1
1
1
1
1
1
1
1
1
2
1

DESCRIPTIONSERIAL NUMBER

Injection Pump Assembly
Shim Set
Nut
Bolt
GasketInjector Assembly
Return Line
Injection Line #1
Injection Line #2
Injection Line #3
Clamp
Bolt
Nut
Glow Plug, 12 Volt
Nut
Connector
Wire Harness
GasketSeal Washer
Screw
Seal Washer
Solenoid, 12 Volt Standard Ground
Solenoid, 12 Volt Isolated Ground
Solenoid, 24 Volt Isolated Ground
Feed Pump
Bolt
Bolt

P773-3 3/20

4-1

-		

GROUP 4 – FUEL SYSTEM

Governor and Timing Gear Case
M773LW3

773governor,timinggearcase

P773-3 3/20

4-2

Updated 3-31-20
GROUP 4 – FUEL SYSTEM

Governor and Timing Gear Case
M773LW3
KEY

PART NUMBER

1
2
3
4
6
7
9
10
13
14
15
16
18
19
22
23
24
25
26
27
28
29
30
31
32
33
34
35
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52

165106111
030300410
165996530
198636140
125046260
125406071
036800008
026200010
031100004
198217390
125156250
052109110
125416020
010110630
023100006
125116131
052109108
036800005
125976120
011310614
012810640
125156180
036800006
052109109
198216760
026200008
020700008
125176080
011310640
011310660
011310680
011510865
198217420
165206320
11-12005
011510860
052300700
110766200
052100400
198436010
390190460
023100008
398210070

QTY
1
1
1
1
1
1
2
1
1
1
1
1
1
1
3
1
2
1
1
2
1
1
1
1
1
1
2
1
5
3
2
3
1
1
1
1
1
1
1
1
1
3
1

DESCRIPTIONSERIAL NUMBER

Timing Gear Case (includes key #2)
Spring Pin
GasketOil Seal
Governor Lever Assembly (includes keys 7, 9, 10)
Tension Lever
Snap Ring
WasherSnap Pin
SpringArmature
O-ringGovernor Lever
Bolt
Nut
Shaft
O-ringSnap Ring
Bracket
Bolt
Bolt
Arm
Snap Ring
O-ringSpringWasherNut
Stop Lever
Bolt
Bolt
Bolt
Bolt
Start Spring
Cover (Keel Cooled Units Only)
Gasket (former #165996610)
Bolt
O-ringHolderO-ring
Cap
Plate
Nut
Spring

P773-3 3/20

4-3-

GROUP 4 – FUEL SYSTEM

Governor Housing and Timing Gear Case
NL773LW3773governor,timinggearcase

P773-3 3/20

4-4

Updated 3-31-20
GROUP 4 – FUEL SYSTEM

Governor Housing and Timing Gear Case
NL773LW3
KEY

PART NUMBER

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38

165106071
030300410
165996530
198636140
125046260
125406071
036800008
026200010
031100004
198217390
125156250
052109110
125416020
010110630
023100006
125116131
052109108
036800005
125976120
011310614
012810640
125156180
036800006
052109109
198216760
026200008
020700008
125176080
011310640
011310660
011310680
010310865
198217420
165206150
11-12005
052300700
023100008
398210070

QTY
1
1
1
1
1
1
2
1
1
1
1
1
1
1
3
1
2
1
1
2
1
1
1
1
1
1
2
1
5
3
2
4
1
2
1
1
4
1

DESCRIPTIONSERIAL NUMBER

Timing Gear Case ( includes key #2)
Spring Pin
GasketOil Seal
Governor Lever Assembly (includes keys #6, 7, 8)
Tension Lever
Snap Ring
WasherSnap Pin
SpringArmature
O-ringGovernor Lever
Bolt
Nut
Shaft
O-ringSnap Ring
Bracket
Bolt
Bolt
Armature
Snap Ring
O-ringSpringWasherNut
Stop Lever
Bolt
Bolt
Bolt
Bolt
Start Spring
Cover
Gasket (former #165996610)
O-ringNut
Spring

P773-3 3/20

4-5-

GROUP 4 – FUEL SYSTEM

Fuel Filter and Piping

773fuelfilter

P773-3 3/20

4-6

Updated 3-31-20
GROUP 4 – FUEL SYSTEM

Fuel Filter and Piping

KEY

PART NUMBER

1
2
3
4
5
6
7
8
		
9
10
11
12
13
14
15
16
17
18
19
20
21
		
22
23
		
24

130306190
190196830
24-52020
130326051
130396030
130436011
011511025
23-08603
131976050
010700820
131606880
131236280
025100006
131236190
140996270
140036141
198487002
048100010
198116230
130516092
140996200
130556921
130556960
130556681
130556931
130556970
15-00702

QTY
1
1
1
5
1
2
2
1
1
4
1
1
1
1
4
1
1
1
1
2
4
1
1
1
1
1
4

DESCRIPTIONSERIAL NUMBER

Fuel Filter Assembly (includes keys #3 - 6)
Caution Label
Fuel Filter
Gasket
Plug
Joint Bolt
Bolt
Bracket, Filter Support & Lifting Eye (Marine)
Bracket (Industrial)
Bolt
Return Pipe
Screw
Seal Washer
Bolt
GasketValve Assembly (includes keys 16- 18)
Connector
Steel Ball
RubberBolt
GasketPipe (Marine)
Pipe (Industrial)
Pipe
Pipe (Marine)
Pipe (Industrial)
Spring Washer

P773-3 3/20

4-7

-

-

Updated 4-7-11
GROUP 4 – FUEL SYSTEMUSCG SAE J1527 ISO 7840 Fuel Lines
M773LW3 Up to S/N xxxx-46361C
NL773LW3 All

A-118520/ B-9278

KEY
1
2
3
4
5
6
7
8

PART NUMBER
10-51099
12-01102
15-00610
21-31624
21-52245
21-71044
18-58602
18-58603

QTY
1
2
2
2
1
1
1
1

DESCRIPTIONSERIAL NUMBER

Fuel Manifold 1/4 NPT
Capscrew, Hex Head M6 x 1.0 x 16 mm S/S
Lock Washer, Helical M6 S/S
Plug, Hex Head Brass 1/4 NPT
Male Elbow 90°, Brass 1/4 NPT x 5/16-45T
Male Elbow 900, Brass 1/4 NPT x 1/4-45T
Hose Assembly 1/4" ID x 12-1/2”
Hose Assembly 1/4" ID x 19”

P773-3 3/20

4-8-

Updated 4-7-11
GROUP 4 – FUEL SYSTEMUSCG SAE J1942 ABS Fuel Lines
M773LW3 Up to S/N xxxx-46361C

A-10003/ B-9278

KEY
1
2
3
4
5
6
7
8

PART NUMBER
10-51099
12-01102
15-00610
21-31624
21-74411
21-71049
18-58602
18-58710

QTY
1
2
2
2
1
1
1
1

DESCRIPTIONSERIAL NUMBER

Fuel Manifold 1/4 NPT
Capscrew, Hex Head M6 x 1.0 x 16 mm S/S
Lock Washer, Helical M6 S/S
Plug, Hex Head Brass 1/4 NPT
Male Elbow 90°, Steel 1/4 NPT x 5/16-37T
Male Elbow 900, Steel 1/4 NPT x 1/4-37T
Hose Assembly 1/4" ID x 12-1/2”
Hose Assembly 3/16" ID x 19”

P773-3 3/20

4-9-

Updated 4-8-11
GROUP 4 – FUEL SYSTEM

USG A-1 SAE J1527 ISO 7840 Fuel Lines
M773LW3 From S/N xxxx-46362C

B-9827

KeyPart Number

1
21-31624
221-512043
21-50054
4
18-58602
518-58603
			

Qty

Description

Serial Number

2
1
1
1
1

Plug, Hex Head Brass 1/4 NPT
Male Elbow, 45°, Brass. 1/4NPT X 5/16-45T
Male Elbow, 45°, Brass. 1/4NPT X 1/4-45T
Hose Assembly 1/4” ID x 12-1/2”
Hose Assembly 1/4” ID x 19”

P773-3 3/20

4 - 10-			-Updated 4-7-11
GROUP 4 – FUEL SYSTEM

USG A-1 SAE J1942 ABS Fuel Lines
M773LW3 From S/N xxxx-46362C

B-9827

KeyPart Number

1
21-31624221-00600
321-05404
418-58604
518-58710
			

Qty

Description

Serial Number

2
1
1
1
1

Plug, Hex Head Brass 1/4 NPT
Male Elbow, 45°, Steel. 1/4NPT X 5/16-37T
Male Elbow, 45°, Steel. 1/4NPT X 1/4-37T
Hose Assembly 1/4” ID x 12-1/2”
Hose Assembly 3/16” ID x 19”

P773-3 3/20

4 - 11-			-Updated 3-31-20
GROUP 4 – FUEL SYSTEM

USG A-1 SAE J1527 ISO 7840 Fuel Lines
M773LW3 From S/N xxxx-54637

D-5044

KeyPart Number

Qty

Description

Serial Number

1
2
3
4
5
6
7
8
9
10
11

10-52002
12-09751
15-00705
21-52019
21-59527
18-50007
18-58603
14-00509
14-00508
21-50071
21-50072

1
2
2
1
1
1
1
1
1
1

Fuel Manifold for 1/4-37T and 5/16-37T union elbow 90
Capscrew Hex Head M8x1.25 X 16mm S/S
LOCK WASHER,HELICAL M8 S/S
Bulkhead Union Elbow 90,STL. 5/16-37T (w/o Locking Nut)		Bulkhead Union Elbow 90,STL. 1/4-37T (w/o Locking Nut) 		Hose Assy 5/16”ID X 12” 5/16FMS X 5/16FMS
Hose Assy 1/4”ID X 19” 1/4FMS X 1/4FMS
Jam Nut 1/2-20 STL
Jam Nut 7/16-20 STL
Cap, Hex Head STL 5/16-37T
Cap, Hex STL 1/4-37T-		P773-3 3/20

4 - 12

GROUP 4 – FUEL SYSTEM

This Page Left Intentionally Blank

P773-3 3/20

GROUP 4 – FUEL SYSTEM

Fuel Injector

Fig. 4-10

KEY

PART NUMBER

••
1
		
2
3
4
5

131406470
131446069
131446987
131426210
131437640
131446986
131416250

QTY
1
1
1
1
1
1
1

DESCRIPTIONSERIAL NUMBER

Injector Assembly (includes keys #1 - #5)
Nut (Marine)
Nut (Industrial)
GasketShim
SpringNozzleP773-3 3/20

4 - 14-

GROUP 4 – FUEL SYSTEM

Fuel Feed Pump

Fig. 4-11

KEY

PART NUMBER

QTY••130506140
1
1130516080
12130516081
1
3130516082
1
4130516083
1
5130516084
1
6130516085
1
7130516086
18131226180
1
9130516087
1
10130516088
1
11130516101
1
12130516090
1
13130516091
6
14130516069
4
15130516092
2
				

DESCRIPTIONSERIAL NUMBER

Feed Pump Assembly (includes keys #1 - 15)
Housing*
Spring*Piston*Spring*Diaphragm
Pin*
Lever*
O-ring*Spring*
Guide*
GasketCap*
Screw
Gasket
Joint Bolt
*Not available separately
P773-3 3/20

4 - 15-

GROUP 5 – ELECTRICAL SYSTEM

Engine Electrical 12 Volt Standard Ground
Marine Units

A-6258 / C-2490A

P773-3 3/20

5-0

Updated 3-31-20
GROUP 5 – ELECTRICAL SYSTEM

Engine Electrical 12 Volt Standard Ground
Marine Units
KEY

PART NUMBER

QTY

DESCRIPTION

1
		
2
3
4
		
5
6
		
7
		
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25

22-42055
22-74802
38720110
185246011
22-41016
22-71026
22-42047
22-40391
22-40393
22-40674
22-42043
22-92120
22-48601
22-41060
22-40930
00-40028
12-00094
15-00032
14-00006
14-00711
15-00702
14-04401
15-04400
185206084
185206085
198487590
140606701
185086551
21-04801

1
1
1
1
1
1
4
4
4
1
1
1
1
2
1
1
2
2
2
1
1
1
1
1
1
1
1
1
**

Temperature Sender 250°F 3/8 NPTDual Station Temperature Sender 250°F 1/8 NPT *Temperature Switch 95°C M16 X 1.5
Oil Pressure Switch 1/8 NPT
Oil Pressure Sender 1/8 NPTDual Station Oil Pressure Sender 1/8 NPT
Relay, 12 Volt SPDT
Relay Base
Retainer		Circuit Breaker 15 Amp - Screw mount type *Circuit Breaker 15 Amp - Snap-in Type
Control Panel S-1B (not shown,see detail)Engine Wire Harness - Round “Merc” Plug Connector
Diode, 6 Amp 50 Volt PIVWire Harness Extension 20' (not shown)
GrommetMachine Screw #10- 32 x 3/8" S/S
Flat Washer #10
Hex Nut, Nylock #10- 32
Hex Nut, M8 x 1.25
Lock Washer M8
Hex Nut M5 x 0.8
Lock Washer M5
Stop Solenoid 12 Volt (see also Fuel System)
Alternator 12 Volt (see mounting detail)Banjo Bolt - M8 x 1.25 x 18mm (Tapped 1/8 NPT)
Oil Line
Starter 12 Volt (see mounting detail)
Elbow 90° Steel 1/8 NPT x 1/8 NPT (not shown)

				
				

SERIAL NUMBER* Replaces 22-40352 (NLA) Required 3/8 x 1/8 NPT Bushing 21-55201**As required

P773-3 3/20

5-1

-		
-

Updated 3-31-16
GROUP 5 – ELECTRICAL SYSTEM

Engine Electrical 12 Volt Standard Ground
B+ System Marine Units

A-6258 / C-2490A

P773-3 3/20

5-2

Updated 3-31-20
GROUP 5 – ELECTRICAL SYSTEM

Engine Electrical 12 Volt Standard Ground
B+ System Marine Units
KEY

PART NUMBER

QTY

DESCRIPTIONSERIAL NUMBER

1
		
2
3
4
		
5
6
		
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25

22-42055
22-74802
38720110
185246011
22-41016
22-71026
22-42047
22-40391
22-40393
22-40018
22-95605
22-48608
22-40299
22-49520
00-40028
12-00094
15-00032
14-00006
14-00711
15-00702
14-04401
15-04400
185206085
185046220
198487590
140606701
185086551
21-04801

1
1
1
1
1
1
4
4
4
1
1
1
2
1
1
2
2
2
1
1
1
1
1
1
1
1
1
**

Temperature Sender 250°F 3/8 NPTDual Station Temperature Sender 250°F 1/8 NPT *Temperature Switch 95°C M16 X 1.5
Oil Pressure Switch 1/8 NPT 14.2 PSI
Oil Pressure Sender 1/8 NPTDual Station Oil Pressure Sender 1/8 NPT
Relay, 12 Volt SPDT
Terminal Retainer
Retainer		Circuit Breaker DC 15 Amp - Screw mount type *Control Panel S-1B (not shown,see detail)Engine Wire Harness - Round “Merc” Plug Connector
Diode, 1 Amp 200 Volt PIVWire Harness Extension 20' (not shown)
GrommetMachine Screw #10- 32 x 3/8" S/S
Flat Washer #10
Hex Nut, Nylock #10- 32
Hex Nut, M8 x 1.25
Lock Washer M8
Hex Nut M5 x 0.8
Lock Washer M5
Stop Solenoid 12 Volt (see also Fuel System)
Alternator 12 Volt (see mounting detail)Banjo Bolt - M8 x 1.25 x 18mm (Tapped 1/8 NPT)
Oil Line
Starter 12 Volt (see mounting detail)
Elbow 90° Steel 1/8 NPT x 1/8 NPT (not shown)				* Replaces 22-40352 (NLA) Requires 3/8 x 1/8 NPT Bushing 21-55201

				**As required

P773-3 3/20

5-3

-		
-

GROUP 5 – ELECTRICAL SYSTEM

Engine Electrical 12 Volt Isolated Ground
Marine Units

A-6258 / C-2490A

P773-3 3/20

5-4

Updated 3-31-20
GROUP 5 – ELECTRICAL SYSTEM

Engine Electrical 12 Volt Isolated Ground
Marine Units
KEY

PART NUMBER

QTY

DESCRIPTIONSERIAL NUMBER

1
		
2
3
4
		
5
6
		
7
		
8
9
		
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

22-44810
22-7480222-40358
22-40236
22-42803
22-74803
22-42047
22-40391
22-40393
22-40674
22-42043
22-92120
22-48601
22-78603
22-41060
22-40930
00-40028
12-00094
15-00032
14-00006
14-00711
15-00702
14-04401
15-04400
185206192
22-48206
198487590
140606701
22-4212921-21001
21-00050

1
1
1
1
1
1
4
4
4
1
1
1
1
1
2
1
1
2
2
2
1
1
1
1
1
1
1
1
1
**
**

Temperature Sender 250°F 3/8 NPTDual Station Temperature Sender 250°F 1/4 NPT *Temperature Switch 95°C M16 x 1.5
Oil Pressure Switch 1/8 NPT
Oil Pressure Sender 1/8 NPTDual Station Oil Pressure Sender 1/8 NPT
Relay, 12 Volt SPDT
Relay Base
Retainer		Circuit Breaker 15 Amp (Screw Mount Type)
Circuit Breaker 15 Amps (Snap-In Type)		
Control Panel, S1-B (see detail)Engine Wire Harness - Round Merc Plug Connector
Harness Ground Circuit Addition		
Diode, 6 Amp 50 Volt PIV (included in 22-48601
Wire Harness Extension 20' (not shown)
GrommetMachine Screw #10-32 x 3/8" S/S
Flat Washer #10
Hex Nut, Nylock #10-32
Hex Nut, M8 x 1.25
Lock Washer M8
Hex Nut, M5 x 0.8
Lock Washer M5
Stop Solenoid 12 Volt (see also Fuel System)
Alternator 12 Volt (see mounting detail)Banjo Bolt M8 x 1.25 x 18mm (Tapped 1/8 NPT)
Oil Line
Starter 12 Volt (see mounting detail)Street Tee Steel 1/8 NPT x 1/8 NPT (not shown)
Plug 1/8 NPT (not shown)			* Replaces 22-40353 (NLA) Requires 3/8” x 1/4” Bushing 21-51099

				**As required

P773-3 3/20

5-5

-		
-

Updated 3-31-16
GROUP 5 – ELECTRICAL SYSTEM

Engine Electrical 12 Volt Isolated Ground
B+ System Marine Units

A-6258 / C-2490A

P773-3 3/20

5-6

Updated 3-31-20
GROUP 5 – ELECTRICAL SYSTEM

Engine Electrical 12 Volt Isolated Ground
B+ System Marine Units
KEY

PART NUMBER

QTY

DESCRIPTIONSERIAL NUMBER

1
		
2
3
4
		
5
6
		
7
8
9
		
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

22-44810
22-7480222-40358
22-40236
22-42803
22-74803
22-42047
22-40391
22-40393
22-40018
22-95605
22-48608
22-78603
22-40299
22-45620
00-40028
12-00094
15-00032
14-00006
14-00711
15-00702
14-04401
15-04400
185206192
22-48206
198487590
140606701
22-4212921-21001
21-00050

1
1
1
1
1
1
4
4
4
1
1
1
1
2
1
1
2
2
2
1
1
1
1
1
1
1
1
1
**
**

Temperature Sender 250°F 3/8 NPTDual Station Temperature Sender 250°F 1/4 NPT *Temperature Switch 95°C M16 x 1.5
Oil Pressure Switch 1/8 NPT
Oil Pressure Sender 1/8 NPTDual Station Oil Pressure Sender 1/8 NPT
Relay, 12 Volt SPDT
Relay Base
Terminal Retainer		Circuit Breaker, 10 Amp (Screw Mount Type)
Control Panel, S1-B (see detail)Engine Wire Harness - Square Deutsch Plug Connector
Harness Ground Circuit Addition		
Diode, 1 Amp 200 Volt PIV (included in 22-48608)
Wire Harness Extension 20' (not shown)
GrommetMachine Screw #10-32 x 3/8" S/S
Flat Washer #10
Hex Nut, Nylock #10-32
Hex Nut, M8 x 1.25
Lock Washer M8
Hex Nut, M5 x 0.8
Lock Washer M5
Stop Solenoid 12 Volt (see also Fuel System)
Alternator 12 Volt (see mounting detail)Banjo Bolt M8 x 1.25 x 18mm (Tapped 1/8 NPT)
Oil Line
Starter 12 Volt (see mounting detail)Branch Tee Steel 1/8 NPT x 1/8 NPT (not shown)
Plug 1/8 BSPT
* Replaces 22-40353 (NLA) requires
3/8 NPT x 1/4 NPT Bushing 21-51099

				**As required

P773-3 3/20

5-7

-		
-

GROUP 5 – ELECTRICAL SYSTEM

Engine Electrical 24 Volt Standard Ground
Marine Units

A-6258 / C-2490A

P773-3 3/20

5-8

Updated 3-31-20
GROUP 5 – ELECTRICAL SYSTEM

Engine Electrical 24 Volt Standard Ground
Marine Units
KEY

PART NUMBER

QTY

DESCRIPTIONSERIAL NUMBER

1
		
2
3
4
		
5
6
		
7
		
8
9
		
10
11
12
13
14
15
16
17
18
19
20
21
		
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37

22-42055
22-74802
385720110
185246011
22-41016
22-71016
22-40710
22-40391
22-40393
22-40674
22-42043
22-92125
22-48601
22-48602
22-41060
22-40930
00-40028
12-00094
15-00032
14-00006
14-00711
15-00702
14-04401
15-04400
185206203
22-40278
22-48603
198487590
140606701
22-42121
21-21001
22-48611
22-41079
23-48605
12-00030
15-00008
14-04803
12-50941
15-00912
12-09032
15-01134
14-01133
21-00050

1
1
1
1
1
1
4
4
4
1
1
1
1
1
2
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
**
1
1
1
2
4
2
2
2
1
2
1
**

Temperature Sender 250°F 3/8 NPTDual Station Temperature Sender 250°F 1/8 NPT *Temperature Switch 95°C M16 X 1.5
Oil Pressure Switch 1/8 NPT
Oil Pressure Sender 1/8 NPTDual Station Oil Pressure Sender 1/8 NPT
Relay, 24 Volt SPDT
Relay Base
Terminal Retainer
Circuit Breaker, 15 Amp (Screw Mount Type)
Circuit Breaker 15 Amp (Snap-In Type)
Control Panel, S1-B (see detail)Engine Wire Harness - with Round Merc Plug Connector
Wire Harness, Glow Plug Pulse Circuit
Diode, 6 Amp 50 Volt PIV (included in 22-48601)
Wire Harness Extension 20' (not shown)
GrommetMachine Screw #10-32 x 3/8" S/S
Flat Washer #10
Hex Nut, Nylock #10-32
Hex Nut, M8 x 1.25
Lock Washer M8
Hex Nut, M5 x 0.8
Lock Washer M5
Stop Solenoid 24 Volt (see also Fuel System)
Alternator 24 Volt 40 Amp (see mounting detail)up to S/N
Alternator 24 Volt 25 Amp
from S/N
Banjo Bolt M8 x 1.25 x 18mm (Tapped 1/8 NPT)
Oil Line
Starter 24 Volt (see mounting detail)Branch Tee Steel 1/8 NPT x 1/8 NPT (not shown)
Timer
Soleniod 24 VDC 85 Amp
Bracket, Solenoid Mounting
Capscrew, Hex Head M6 x 1.0 x 16mm
Flat Washer M6
Hex Nut, Nylock M12 x 1.0
Capscrew, Hex Head M12 x 1.25 x 20mm S/S
Laco Washer M12
Capscrew, Hex Head M6 x 1.0 x 30mm S/S
Flat Washer M6 S/SHex Nut, Nylock M6 x 1.0
Plug 1/8 BSPT-		xxxx-46361C
xxxx-46362C-* Replaces 22-40352 (NLA) requires
3/8 NPT x 1/8 NPT Bushing 21-55201** As required

P773-3 3/20

5-9

Updated 3-31-16
GROUP 5 – ELECTRICAL SYSTEM

Engine Electrical 24 Volt Standard Ground
B+ System Marine Units

A-6258 / C-2490A

P773-3 3/20

5 - 10Updated 3-31-20
GROUP 5 – ELECTRICAL SYSTEM

Engine Electrical 24 Volt Standard Ground
B+ System Marine Units
KEY

PART NUMBER

1
		
2
3
4
		
5
6
		
7
8
9
		
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37

22-42055
22-74802
385720110
185246011
22-41016
22-71016
22-40710
22-40391
22-40393
22-40018
22-95605
22-48608
22-48602
22-40299
22-45620
00-40028
12-00094
15-00032
14-00006
14-00711
15-00702
14-04401
15-04400
185206203
22-48603
198487590
140606701
22-42121
21-21001
22-48611
22-41079
23-48605
12-00030
15-00008
14-04803
12-50941
15-00912
12-09032
15-01134
14-01133
21-00050

QTY
1
1
1
1
1
1
4
4
4
1
1
1
1
2
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
2
4
2
2
2
1
2
1
1

DESCRIPTIONSERIAL NUMBER

Temperature Sender 250°F 3/8 NPTDual Station Temperature Sender 250°F 1/8 NPT *Temperature Switch 95°C M16 X 1.5
Oil Pressure Switch 1/8 NPT
Oil Pressure Sender 1/8 NPTDual Station Oil Pressure Sender 1/8 NPT
Relay, 24 Volt SPDT
Relay Base
Terminal Retainer
Circuit Breaker, DC 10 Amp (Screw Mount Type)
Control Panel, S1-B (see detail)Engine Wire Harness - with Square Deutsch Plug Connector
Wire Harness, Glow Plug Pulse Circuit
Diode, 1 Amp 200 Volt PIV (included in 22-48608)
Wire Harness Extension 20' (not shown)
GrommetMachine Screw #10-32 x 3/8" S/S
Flat Washer #10
Hex Nut, Nylock #10-32
Hex Nut, M8 x 1.25
Lock Washer M8
Hex Nut, M5 x 0.8
Lock Washer M5
Stop Solenoid 24 Volt (see also Fuel System)
Alternator 24 Volt 25 Amp
Banjo Bolt M8 x 1.25 x 18mm (Tapped 1/8 NPT)
Oil Line
Starter 24 Volt (see mounting detail)Branch Tee Steel 1/8 NPT x 1/8 NPT (not shown)
Timer
Soleniod 24 VDC 85 Amp
Bracket, Solenoid Mounting
Caprescrew, Hex Head M6 x 1.0 x 16mm
Flat Washer M6
Hex Nut, Nylock M12 x 1.0
Capscrew, Hex Head M12 x 1.25 x 20mm S/S
Laco Washer M12
Capscrew, Hex Head M6 x 1.0 x 30mm S/S
Flat Washer M6 S/SHex Nut, Nylock M6 x 1.0
Plug 1/8 BSPT		* Replaces 22-40352 (NLA) requires
3/8 NPT x 1/8 NPT Bushing 21-55201

P773-3 3/20

5 - 11-		--GROUP 5 – ELECTRICAL SYSTEM

Engine Electrical 24 Volt Isolated Ground
Marine Units

A-6398, A-6402 / C-2490A

P773-3 3/20

5 - 12

Updated 3-31-20
GROUP 5 – ELECTRICAL SYSTEM

Engine Electrical 24 Volt Isolated Ground
Marine Units
KEY

PART NUMBER

QTY

DESCRIPTIONSERIAL NUMBER

1
		
2
3
4
		
5
6
		
7
		
8
9
		
10
11
12
13
14
15
16
17
18
19
20
21
		
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37

22-44810
22-7480222-40358
22-40236
22-42803
22-74803
22-40710
22-40391
22-40393
22-40674
22-42043
22-92125
22-48601
22-48602
22-41060
22-40930
00-40028
12-00094
15-00032
14-00006
14-00711
15-00702
14-04401
15-04400
185206203
22-40763
22-48604
198487590
140606701
22-42122
21-21001
22-48611
22-41079
23-48605
12-00030
15-00008
14-04803
12-50941
15-00912
12-09032
15-01134
14-01133
21-00050

1
1
1
1
1
1
4
4
4
1
1
1
1
1
2
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
**
1
1
1
2
4
2
2
2
1
2
1
1

Temperature Sender 250°F 3/8 NPTDual Station Temperature Sender 250°F 1/4 NPT *Temperature Switch 95°C M16 x 1.5
Oil Pressure Switch 1/8 NPT
Oil Pressure Sender 1/8 NPTDual Station Oil Pressure Sender 1/8 NPT
Relay, 24 Volt SPDT
Relay Base
Retainer
Circuit Breaker, 15 Amp (Screw Mount Type)
Circuit Brealer, 15 Amp (Snap-in Type)
Control Panel, S1-B (see detail)Engine Wire Harness - Round Merc Plug Connector
Harness Assembly, Glow Plug Pulse Circuit
Diode, 6 Amp 50 Volt PIVWire Harness Extension 20' (not shown)
GrommetMachine Screw #10- 32 x 3/8" S/S
Flat Washer #10
Hex Nut, Nylock #10- 32
Hex Nut, M8 x 1.25
Lock Washer M8
Hex Nut, M5 x 0.8
Lock Washer M5
Stop Solenoid 24 Volt (see also Fuel System)
Alternator 24 Volt 35 Amp (see mounting detail)up to S/N
Alternator 24 Volt 25 Amp
from S/N
Banjo Bolt M8 x 1.25 x 18mm (Tapped 1/8 NPT)
Oil Line
Starter 24 Volt (see mounting detail)Branch Tee Steel 1/8 NPT x 1/8 NPT (not shown)
Timer
Soleniod 24 Volt 85 Amp
Bracket, Solenoid Mounting
Caprescrew, Hex Head M6 x 1.0 x 16mm
Flat Washer M6
Hex Nut, Nylock M12 x 1.0
Capscrew, Hex Head M12 x 1.25 x 20mm S/S
Laco Washer M12
Capscrew, Hex Head M6 x 1.0 x 30mm S/S
Flat Washer M6 S/S
Nylock Nut, Nylock M6 x 1.0
Plug 1/8 BSPT-		xxxx-46361C
xxxx-46362C-* Replaces 22-40353(NLA) requires
3/8 NPT x 1/4 NPT Bushing 21-51099

P773-3 3/20

5 - 13

Updated 3-31-16
GROUP 5 – ELECTRICAL SYSTEM

Engine Electrical 24 Volt Isolated Ground
B+ System Marine Units

A-6398, A-6402 / C-2490A

P773-3 3/20

5 - 14

Updated 3-31-20
GROUP 5 – ELECTRICAL SYSTEM

Engine Electrical 24 Volt Isolated Ground
B+ System Marine Units
KEY

PART NUMBER

QTY

DESCRIPTIONSERIAL NUMBER

1
		
2
3
4
		
5
6
		
7
8
9
		
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37

22-44810
22-7480222-40358
22-40236
22-42803
22-74803
22-40710
22-40391
22-40393
22-40018
22-95605
22-48608
22-48602
22-40299
22-45620
00-40028
12-00094
15-00032
14-00006
14-00711
15-00702
14-04401
15-04400
185206203
22-48604
198487590
140606701
22-42122
21-21001
22-48611
22-41079
23-48605
12-00030
15-00008
14-04803
12-50941
15-00912
12-09032
15-01134
14-01133
21-00050

1
1
1
1
1
1
4
4
4
1
1
1
1
2
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
2
4
2
2
2
1
2
1
**

Temperature Sender 250°F 3/8 NPTDual Station Temperature Sender 250°F 1/4 NPT *Temperature Switch 95°C M16 x 1.5
Oil Pressure Switch 1/8 NPT
Oil Pressure Sender 1/8 NPTDual Station Oil Pressure Sender 1/8 NPT
Relay, 24 Volt SPDT
Relay Base
Terminal Retainer
Circuit Breaker, DC 10 Amp (Screw Mount Type)
Control Panel, S1-B (see detail)Engine Wire Harness - Square Deutsch Plug Connector
Harness Assembly, Glow Plug Pulse Circuit
Diode, 1 Amp 200 Volt PIV (included in 22-48604)
Wire Harness Extension 20' (not shown)
GrommetMachine Screw #10- 32 x 3/8" S/S
Flat Washer #10
Hex Nut, Nylock #10- 32
Hex Nut, M8 x 1.25
Lock Washer M8
Hex Nut, M5 x 0.8
Lock Washer M5
Stop Solenoid 24 Volt (see also Fuel System)
Alternator 24 Volt 25 Amp
Banjo Bolt M8 x 1.25 x 18mm (Tapped 1/8 NPT)
Oil Line
Starter 24 Volt (see mounting detail)Branch Tee Steel 1/8 NPT x 1/8 NPT (not shown)
Timer
Soleniod 24 Volt 85 Amp
Bracket, Solenoid Mounting
Caprescrew, Hex Head M6 x 1.0 x 16mm
Flat Washer M6
Hex Nut, Nylock M12 x 1.0
Capscrew, Hex Head M12 x 1.25 x 20mm S/S
Laco Washer M12
Capscrew, Hex Head M6 x 1.0 x 30mm S/S
Flat Washer M6 S/S
Nylock Nut, Nylock M6 x 1.0
Plug 1/8 BSPT
Note: #26 - 36 Required for glow plug operation* Replaces 22-40353(NLA) requires
3/8 NPT x 1/4 NPT Bushing 21-51099

P773-3 3/20

5 - 15-		-Updated 4-7-16
GROUP 5 – ELECTRICAL SYSTEM

Small Frame Alternators and Starter

773altandstarter

P773-3 3/20

5 - 16

Updated 3-31-20
GROUP 5 – ELECTRICAL SYSTEM

Small Frame Alternators and Starter

KEY

PART NUMBER

1
		
		
		
2
3
4
5
6
7
8
9
10
11
		
12
13
14
		
		
		
17

185046220
22-48206
22-48603
22-4860423-48601
12-09712
12-09814
15-09805
23-48602
12-01102
12-09714
15-00705
199236680
40-08601
40-08604
15-00610
110446421
185086551
22-42129
22-42121
22-42122
01435-01045

QTY
1
1
1
1
1
2
1
2
1
2
1
2
1
1
1
2
1
1
1
1
1
2

DESCRIPTIONSERIAL NUMBER

Alternator 12 Volt, 40 Amp Standard Ground
Alternator 12 Volt, 40 Amp Isolated Ground
Alternator 24 Volt 25 Amp Standard Ground
Alternator 24 Volt 25 Amp Isolated Ground
Bracket, Alternator Mounting
Capscrew, Hex Head M8 x 1.25 x 25 mm S/S
Capscrew, Hex Head M10 x 1.5 x 35 mm S/S
Flat Washer M10 S/S
Tensioning Arm
Capscrew, Hex Head M6 x 1.0 x 16 mm S/S
Capscrew, Hex Head M8 x 1.25 x 40 mm S/S
Lock Washer M8 S/SSpacerDrive Belt (use with 185046220 & 22-48603)
Drive Belt (use with 22-48206 & 22-48604)
Lock Washer M6 S/S
Flywheel Housing
Starter, 12 Volt (see parts detail)Starter, 12 Volt Isolated GroundStarter, 24 Volt Standard Ground (former #22-42081)
Starter, 24 Volt Isolated Ground (former #22-42082)
Capscrew, Hex Head M10 x 1.5 x 45 mm (use with starters				#185086551 & 22-42079)

		

Capscrew, Hex Head M10 x 1.5 x 50 mm (use with starters

01435-01050

2

				

18
19
20
21
22
23
24

010311020
15-00802
020900010
398460090
140976080
15-00802
199436350

8
2
2
1
1
1
1

-

#22-42081 & 22-42082 - 21-42121 - 22-42122))-

Bolt
Spring Washer
Nut
Plug (Marine)
BracketSpring Washer
Bolt-

P773-3 3/20

5 - 17

Updated 3-31-20
GROUP 5 – ELECTRICAL SYSTEM

Medium Frame Alternators 24 V/ 40 Amp & 24V/ 35 Amp

A-9711, A-9712

KEY

PART NUMBER

1
		
2
3
4
5
6
8
9
10
11
12
13
14
15

22-40763
22-40278
34-41017
23-48603
12-00776
15-00705
12-00517
15-00504
14-0051223-48604
12-09212
15-00201
15-00222
22-70048
40-08603

QTY
1
1
1
1
4
4
1
2
1
1
1
1
1
1
1

DESCRIPTIONSERIAL NUMBER

Alternator 24 Volt, 35 Amp Isolated Ground
Alternator 24 Volt, 40 Amp Standard Ground
PulleyBracket, Medium Frame Alternator Mtg.
Capscrew, Hex Head M8 x 1.25 x 20 mm S/S
Lock Washer, Helical M8 S/S
Capscrew, Hex Head 1/2-13 x 2-1/4”
Flat Washer 1/2” SAE
Hex Nut, Nylock 1/2-13
Tensioning Arm
Capscrew, Hex Head 5/16-18 x 1” S/SStud Washer 5/16
Lock Washer, Helical 5/16 S/S
Diode Harness Addition (not shown)
Drive Belt
P773-3 3/20

5 - 18-

Updated 3-31-20
GROUP 5 – ELECTRICAL SYSTEM

Starter, Alternator, and Flywheel
NL773LW3

NL773alt&starter

KEY

PART NUMBER

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

185046220
185976220
40-08605
185726971
199236680
011510840
026109017
011310614
010311045
15-00802
020900010
011310820
110446363
010311020
185086551
026100010
010311045
15-00802
020900010
398460090
195816100

QTY
1
1
1
1
1
1
1
2
1
1
1
2
1
8
1
2
2
2
2
1
1

DESCRIPTIONSERIAL NUMBER

Alternator, 12 Volt 40 Amp
BracketDrive Belt (former # 080109108)
Tensioning Arm
Collar
Bolt
WasherBolt
Bolt
Spring Washer
Nut
Bolt
Flywheel Housing
Bolt
Starting Motor 12 Volt
WasherBolt
Spring Washer
Nut
Plug
Lifting Eye
P773-3 3/20

5 - 19-Updated 3-31-20
GROUP 5 – ELECTRICAL SYSTEM

S-1 Control Panel 12 & 24 Volt

A-8551, A-8552 / B-5970

KEY

PART NUMBER

••
1
2
3
4
		
5
		
6

22-9211000-40013
22-90167
22-90362
22-42063
22-42067
00-00013
00-00014
22-40012

QTY
1
1
1
1
1
1
1
1
1

				

DESCRIPTIONSERIAL NUMBER

S-1 Start/Stop Control Panel, 12 or 24 Volt (includes all keys)
Plate, S-1 Control Panel
Rocker Switch
Rocker Switch
Wire Harness, 12 Volt
Wire Harness, 24 Volt
Label "12 Volt" *Label "24 Volt" *Resistor, 200 Ohm, 3 Watt (24 Volt Panel only) **Not shown

P773-3 3/20

5 - 20-Updated 3-31-16
GROUP 5 – ELECTRICAL SYSTEM

S-1 Control Panel 12 & 24 Volt
B+ Electrical Systems

KEY

PART NUMBER••
22-95600
100-40013
2
22-901673
22-90362
422-45602
500-00048
		

QTY
1
1
1
1
1
1

DESCRIPTIONSERIAL NUMBER

S-1 Start/Stop Control Panel (includes all keys)
Plate, S-1 Control Panel
Rocker Switch, Momentary (On)-Off
Rocker Switch, Momentary (On)-Off-(On) Green Lamp
Wire Harness
Label "12-24 Volt" (Not Shown)

P773-3 3/20

5 - 21-

Updated 3-31-20
GROUP 5 – ELECTRICAL SYSTEM

Series 1-B Start-Stop Control Panel 12 & 24 Volt

A-8553/ B-5971

KEY

PART NUMBER

••
••
1
2
3
4
5
6
7
8
		

22-92120
22-92125
28-90003
22-90167
22-90302
22-90009
12-00093
15-00030
14-00015
22-42063
22-42064

QTY
1
1
1
1
1
1
2
2
2
1
1

DESCRIPTIONSERIAL NUMBER

S 1-B Start/Stop Control Panel - 12 Volt (includes all keys)
S 1-B Start/Stop Control Panel - 24 Volt (includes all keys)
Plate
Rocker Switch
Rocker Switch
Hour Meter
Machine Screw, Round Head Philips #6 - 32 x 1/2"
Star Washer, Internal #6, Stainless SteelHex Nut #6 - 32, Stainless Steel
Wire Harness - 12 Volt Panels
Wire Harness - 24 Volt Panels

P773-3 3/20

5 - 22-

Updated 4-7-16
GROUP 5 – ELECTRICAL SYSTEM

Series 1-B Start/Stop Control Panel
B+ Electrical Systems

KEY

PART NUMBER

••
1
2
3
4
5
6
7
8
9

22-95605
28-90003
22-90167
22-90362
22-90009
12-00093
15-00030
14-00015
22-45603
00-00048

QTY
1
1
1
1
1
2
2
2
1
1

DESCRIPTIONSERIAL NUMBER

Series 1-B Start/Stop Control Panel 12 or 24 Volt (includes all keys)
Plate
Rocker Switch, Momentary (On)-Off
Rocker Switch, Green LED (On)-Off-(On) Green Lamp
Hour Meter
Machine Screw, Round Head Phillips #6 - 32 x 1/2"
Star Washer, Internal #6, Stainless SteelHex Nut #6 - 32, Stainless Steel
Wire harness
Label “12-24 Volts” (Not shown)

P773-3 3/20

5 - 23- 		-Updated 3-31-20
GROUP 5 – ELECTRICAL SYSTEM

S-3C Control Panel 12 & 24 VoltVDO Ocean Line Black Bezel Gauges

A-11322, A-11323/ C-2441

KEY

PART NUMBER

QTY

DESCRIPTION••••

22-91216
22-91217
28-90010
37-90081-1
37-90082-1
37-90075-1
37-90076-1
37-90072-1
37-90073-1
37-90074-1
22-42024
12-90007
22-41051
00-00013
00-00014
37-41004
37-41003

1
1
1
1
1
1
1
1
1
1
1
4
2
1
1
**
**

S-3C Control Panel, 12 Volt (includes all keys)
S-3C Control Panel, 24 Volt (includes all keys)
Panel Plate
Oil Pressure Gauge, 0-80 PSI 12 Volt
Oil Pressure Gauge, 0-80 PSI 24 Volt
Temperature Gauge, 0- 2500F 12 Volt
Temperature Gauge, 0- 2500F 24 Volt
DC Voltmeter, 8 - 16 VDC
DC Voltmeter, 18- 32 VDC
Hourmeter 12/ 24 Volt
Panel Wire Harness
Self Tapping Screw, Oval Head Phillips #6 x 3/4”
Toggle Switch
Label 12 Volt (not shown)
Label 24 Volt (not shown)
12 Volt Bulb (not shown)
24 Volt Bulb (not shown)**As required

1
2
		
3
		
4
		
5
6
7
8
9
		
10
		

SERIAL NUMBER

P773-3 3/20

5 - 24-

Updated 4-1-16

GROUP 5 – ELECTRICAL SYSTEM

S-3C Control Panel 12 Volt
VDO Viewline Black Bezel Gauges

C-2441KEY

PART NUMBER••••

22-91216
22-91217
28-90010
37-91075-1
37-91074-1
37-91070-1
37-91071-1
37-91072-1
22-42096
12-90007
22-41051
00-00013
37-00014

1
2
3
4
		
5
6
7
8
9
10

QTY
1
1
1
1
1
1
1
1
1
4
2
1
4

				

DESCRIPTIONSERIAL NUMBER

S-3C Control Panel, 12 Volt (includes all keys)
S-3C Control Panel, 24 Volt (includes all keys)
Panel Plate
Oil Pressure Gauge, 0-80 PSI 12/24 Volt *Temperature Gauge, 0- 2500F 12/24 Volt *DC Voltmeter, 8 - 16 VDC *Voltmeter 18 - 32 VDC *Hourmeter 12/ 24 Volt
Panel Wire Harness
Self Tapping Screw, Oval Head Phillips #6 x 3/4”
Toggle Switch
Label 12 Volt (not shown)
Bezel* Note Bezel 37-00014 supplied separately

P773-3 3/20

5 - 25-

Updated 3-31-20
GROUP 5 – ELECTRICAL SYSTEM

S-3C Control Panel 12 - 24 Volt B+ Systems
VDO Viewline Black Bezel Gauges

KEY

••
••

PART NUMBER

QTY

22-95611
1
22-95612
1
128-90010
1
237-91075-1
1
3
37-91074-1
1
437-91070-1
1
		
37-91071-1
1
5
37-91072-1
1
6
37-00014
4822-410511		22-40335
1
923-956011
1022-456061
1112-000751
12
15-000351
1322-42047**		
22-40710**
1400-00013**
		
00-00014**
15
12-90007
4
				

DESCRIPTIONSERIAL NUMBER

S-3C Control Panel, 12 Volt (includes all keys)
S-3C Control Panel, 24 Volt (includes all keys)
Panel Plate
Oil Pressure Gauge, 0-80 PSI 12/24 Volt *Temperature Gauge, 0- 2500F 12/24 Volt *DC Voltmeter, 8 - 16 VDC *Voltmeter 18 - 32 VDC *Hourmeter 12/ 24 Volt *Bezel
Toggle Switch
Toggle Switch
Bracket, Relay Base Mounting
Panel Wire Harness
Machine Screw #8-32 x 1/4”
Star Washer #8
Relay 12 Volt
Relay 24 Volt
Label 12 Volt (not shown)
Label 24 Volt (not shown)
Self Tapping Screw, Oval Head Phillips #6 x 3/4”** As Required
P773-3 3/20

5 - 26-

Updated 3-31-20
GROUP 5 – ELECTRICAL SYSTEM

S-3B Control Panel 12 & 24 VoltVDO Ocean Line Black Bezel Gauges

A-11320, A-11321/ C-2470

KEY

••
••

PART NUMBER

QTY

22-912031
22-912041
139-40008
1
237-90081-1
1
		
37-90082-1
1
3
37-90075-1
1
		
37-90076-1
1
437-90072-1
1
		
37-90073-1
1
5
37-90074-1
1
600-91018
1
722-410771
822-410512
922-000521
1022-402571
1100-400281
1222-420271
1300-00013
1		00-000141
1437-41004**
		
37-41003**
				

DESCRIPTIONSERIAL NUMBER

S-3C Control Panel, 12 Volt (includes all keys)
S-3C Control Panel, 24 Volt (includes all keys)
Enclosure
Oil Pressure Gauge, 0-80 PSI 12 Volt
Oil Pressure Gauge, 0-80 PSI 24 Volt
Temperature Gauge, 0- 2500F 12 Volt
Temperature Gauge, 0- 2500F 24 Volt
DC Voltmeter, 8 - 16 VDC
DC Voltmeter, 18- 32 VDC
Hourmeter 12/ 24 Volt
Panel Decal
Terminal Strip
Toggle Switch
Number Strip
Wire Harness (not shown)
GrommetConnection Harness
Label 12 Volt (not shown)
Label 24 Volt (not shown)
12 Volt Bulb (not shown)
24 Volt Bulb (not shown)		
**As required
P773-3 3/20

5 - 27

Updated 4-1-16

GROUP 5 – ELECTRICAL SYSTEM

S-3B Control Panel 12 Volt
VDO Viewline Black Bezel Gauges

A-11320, A-11321/ C-2470

KEY

PART NUMBER••••

22-91203
22-91204
39-40027
37-91075-1
37-91074-1
37-91070-1
37-91071-1
37-91072-1
00-91018
22-41077
22-41051
22-00052
22-40648
00-40028
22-42027
00-00013
37-00014

QTY

DESCRIPTIONSERIAL NUMBER

1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
4

S-3C Control Panel, 12 Volt (includes all keys)
S-3C Control Panel, 24 Volt (includes all keys)
Enclosure
Oil Pressure Gauge, 0-80 PSI 12/24 Volt *Temperature Gauge, 0- 2500F 12/24 Volt *Voltmeter, 8 - 16 VDC *Voltmeter 18 - 32 VDC *Hourmeter 12/ 24 Volt
Panel Decal
Terminal Strip
Toggle Switch
Number Strip
Wire Harness (not shown)
GrommetConnection Harness
Label 12 Volt (not shown)
Bezel

				

* Note Bezel 37-00014 supplied separately

1
2
3
4
		
5
6
7
8
9
10
11
12
13
14

P773-3 3/20

5 - 28-GROUP 5 – ELECTRICAL SYSTEM

This Page Left Intentionally Blank

P773-3 3/20

Updated 3-31-16
GROUP 5 – ELECTRICAL SYSTEM

S-3B Control Panel 12 - 24 Volt B+ Systems
VDO Viewline Black Bezel Gauges

P773-3 3/20

5 - 30Updated 3-31-20
GROUP 5 – ELECTRICAL SYSTEM

S-3B Control Panel 12 - 24 Volt B+ Systems
VDO Viewline Black Bezel Gauges

KEY

PART NUMBER

QTY

DESCRIPTION••••

22-95601
22-95602
39-40027
00-91018
37-91075-1
37-91074-1
37-91070-1
37-91071-1
37-91072-1
37-00014
22-41077
22-00052
14-09021
22-41051
22-40335
23-95602
22-45604
12-00075
15-00035
22-42047
22-40710
22-45607
00-00013
00-00014
00-40028
12-42103
22-40931
22-40393

1
1
1
1
1
1
1
1
1
4
1
1
2
1
1
1
1
1
1
**
**
1
**
**
1
2
1
1

S-3C Control Panel, 12 Volt (includes all keys)
S-3C Control Panel, 24 Volt (includes all keys)
Enclosure
Decal
Oil Pressure Gauge, 0-80 PSI 12/24 Volt *Temperature Gauge, 0- 2500F 12/24 Volt *Voltmeter, 8 - 16 VDC *Voltmeter 18 - 32 VDC *Hourmeter 12/ 24 Volt
Bezel
Terminal Strip
Number Strip
Jam Nut, Nylock #8-32 S/S
Toggle Switch
Toggle Switch
Bracket, Relay Mounting
Wire Harness (not shown) (Includes keys 22-23)
Machine Screw, Phillips #8-32 x 1/4” S/SStar Washer #8 S/S
Relay 12 Volt
Relay 24 Volt
Connection Harness
Label 12 Volt (not shown)
Label 24 Volt
GrommetMachine Screw, Pan Head, Phillips #8-32 x 5/8” S/S
Relay Base
Retainer

1
2
3
4
5
		
6
7
8
9
10
11
12
13
14
15
16
17
		
18
19
		
20
21
22
23

				

SERIAL NUMBER* Note Bezel 37-00014 supplied separately

P773-3 3/20

5 - 31-GROUP 5 – ELECTRICAL SYSTEM

Belt Guard AssemblyStandard Small Frame Alternators

A-9314/ B-6972

KEY

PART NUMBER

QTY

100-08601
1
212-900491				3
13-911321
413-90070
1
515-011342
615-006104714-011322
8
15-098051
915-008082
1014-00817
1

DESCRIPTIONSERIAL NUMBER

Belt Guard
Capscrew, Hex Head M6 x 1.0 x 15 mm-(Head tapped M6 x 1.0 x 10 mm Special)Stud, M6 x 1.0 x 111.4 mm
Stud, M10 x 1.5 x 110.8 mm
Flat Washer M6 S/S
Lock Washer, Helical M6 S/SHex Nut M6 x 1.0 S/S
Flat Washer M10 S/S
Lock Washer, Helical M10 S/S
Hex Nut M10 x 1.5 mm S/S

P773-3 3/20

5 - 32-

GROUP 5 – ELECTRICAL SYSTEM

Belt Guard Assembly
Optional Medium Frame Alternators

A-9832/ B-9464

KEYPART NUMBER

QTY

100-08603
1212-900491				3
13-911321
4
23-086021
515-011342
615-006104714-011322
812-00711
1
915-007021
1012-097121
1115-007051
1215-70004
1

DESCRIPTIONSERIAL NUMBER

Belt Guard
Capscrew, Hex Head M6 x 1.0 x 15 mm-(Head tapped M6 x 1.0 x 10 mm Special)Stud, M6 x 1.0 x 111.4 mm
Bracket, Lower Belt Guard Mtg.
Flat Washer, M6 S/S
Lock Washer, Helical M6 S/SHex Nut M6 x 1.0 S/S
Capscrew, Hex Head M8 x 1.25 x 20 mm
Lock Washer, Helical M8
Capscrew, Hex Head M8 x 1.25 x 25 mm S/S
Lock Washer, Helical M8 S/S
Snubbing Washer S/S
P773-3 3/20

5 - 33-

GROUP 6 – GASKET SETS

Gasket Kits

KEY

PART NUMBER

••
•
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43

29-08602
195907460
050209107
052109076
110996800
025100016
165996520
052109108
052109110
052109109
165996530
198636090
165996610
131426300
025100006
140996260
111147570
120406050
120406070
131426200
131426210
052100120
120996150
111996420
140996260
052100400
135996750
145996830
145996840
145996850
130516069
130996130
052109113
025100016
052109078
130326051
140996270
135996900
135996541
314990013
052300700
314990030
11-0860111-18602
16-13101

QTY
1
1
1
1
1
2
1
2
1
1
1
1
1
1
1
4
1
3
3
3
3
1
1
1
3
2
1
1
1
1
4
1
2
1
1
5
4
1
1
1
1
1
1
1
1

DESCRIPTIONSERIAL NUMBER

Gasket Kit (Marine, includes all keys)
Gasket Kit (Industrial, includes keys 1-40)		 Oil Seal, Rear
O-ring, Suction Oil Pipe
Gasket, Oil Pan
Seal Washer, Oil Pan Drain
Gasket, Front Plate
O-ring, Governor Shaft
O-ring, Rocker Arm
O-ring, Rocker Arm
Gasket, Timing Gear
Oil Seal, Front
Gasket, Gear Case Cover
Adjusting Shim Set, Injection Pump
Seal Washer, Air Bleed Screw
Gasket, Banjo Bolt
Head Gasket, t=1.3
Valve Guide Seal, Exhaust
Valve Guide Seal, Intake
Gasket, Injector Lower Side
Gasket, Injector Upper Side
O-ring, Rocker Arm Shaft
Gasket, Rocker Arm Bracket
Gasket, Rocker Arm Cover
Gasket, Rocker Arm CoverO-ring, Oil Filler Cap
Gasket, Air Intake
Gasket, Coolant Pump
Gasket, Thermostat Housing
Gasket, Thermostat Cover
Gasket, Joint Bolt
Gasket, Fuel Pump
O-ring, Dipstick Guide
Seal Washer, Solenoid
O-ring, Relief Valve
Gasket, Joint Bolt
Gasket, Valve Assembly
GasketGasket, Exhaust Manifold
GasketO-ring, Gear Case Cover
Gasket, Elbow
Gasket, Exhaust
Gasket, Thermostat CoverO-ring, Raw Water Pump-

P773-3 3/20

6-0

This Page Left Intentionally Blank

P773-3 3/20

Updated 3-31-20
GROUP 7 – FRAME AND MOUNTING

Base Frame Assembly
Marine Applications Up to S/N xxxx-46361C

A-9314/ D-3472

KEY

PART NUMBER

QTY

DESCRIPTIONSERIAL NUMBER

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

39-88601
23-88211
12-00943
15-00912
33-83108
33-83108
12-00776
15-00705
15-00040
12-09956
15-09007
12-09956
14-09830
12-00313
15-00302
12-00753
15-00702

1
2
4
4
2
2
16
16
8
2
4
2
4
8
8
6
6

Base Frame, Steel
BracketCapscrew, Hex Head M12 x 1.25 x 30 mm
Lock Washer, Helical M12
Plateform Mount, 155 lb.
Plateform Mount, 155 lb.
Capscrew, Hex Head M8 x 1.25 x 20 mm, Stainless Steel
Lock Washer, Helical M8, S/S
Snubbing Washer 2.88 x 0.52 x 0.125
Capscrew, Hex Head M12 x 1.75 x 65 mm, S/S
Flat Washer M12, S/S
Capscrew, Hex Head M12 x 1.75 x 65 mm S/SHex Nut, Nylock M12 x 1.75, S/S
Capscrew, Hex Head 3/8-16 x 1-1/4"
Lock Washer, Helical 3/8
Capscrew, Hex Head M8 x 1.25 x 30 mm
Lock Washer, Helical M8
P773-3 3/20

7-0-

Updated 5-11-16
GROUP 7 – FRAME AND MOUNTING

Base Frame AssemblyIndustrial Applications - 308 Frame Generators

A-7929 / B-7017

KEY

PART NUMBER

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

39-88217
23-88211
12-00943
15-00912
12-00048
15-00809
15-00014
33-83100
15-00014
14-00812
12-00817
15-00809
15-00014
33-83100
15-00014
14-00812
12-00312
15-00302
12-00214
15-00202

QTY
1
2
4
4
2
2
2
2
2
2
2
2
2
2
2
2
8
8
6
6

DESCRIPTIONSERIAL NUMBER

Base Frame
Bracket, Front Engine Mount
Capscrew, Hex Head M12 x 1.25 x 30 mm
Lock Washer
Capscrew, Hex Head M10 x 1.5 x 60 mm
Flat Washer (Special)
Head/Tail Washer
Centerbonded Mount, 100 lb.
Head/Tail Washer
Hex Nut, Nylock
Capscrew, Hex Head M10 x 1.5 x 55 mm
Flat Washer (Special)
Head/Tail Washer
Centerbonded Mount, 100 lb.
Head/Tail Washer
Hex Nut, Nylock
Capscrew, Hex Head 3/8-16 x 1"
Lock Washer
Capscrew, Hex Head 5/16-18 x 1-1/2"
Lock Washer
P773-3 3/20

7-1-

GROUP 7 – FRAME AND MOUNTING

Updated 4-6-11

Steel Base Pan with Plateform Mounting
M773LW3 / PX309K2 from to S/N xxxx-46362C

D-4470B

P773-3 3/20

7-2

Updated 3-31-20

Kit, Steel Base Pan with Plateform Mounting
M773LW3 / PX309K2 from to S/N xxxx-46362C
KEYPART NUMBER

QTY

DESCRIPTIONSERIAL NUMBER

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

39-88602
23-88211
12-00943
15-00912
33-83108
33-83108
12-00776
15-00705
15-00040
12-09956
15-09007
12-09956
14-09830
12-00312
15-00302
12-09213
15-00202
15-00907
15-00805
21-31624

1
2
4
4
2
2
16
16
8
2
4
2
4
8
8
6
6
4
12
1

Base Pan, Steel
Bracket, Front Engine Mtg
Capscrew, Hex Head M12 x 1.25 x 30 mm
Lock Washer
Mount, Plateform 155 Lb
Mount, Plateform 155 Lb
Capscrew, Hex Head M8x1.25 X 20 mm S/S (316)
Lock Washer, Helical M8 S/S (316)
Snubbing Washer 2.88 X .531 X .125
Capscrew, Hex Head M12x1.75 X 65mm S/S
Flat Washer M12 S/S (316)
Capscrew, Hex Head M12x1.75 X 65mm S/SHex Nut, Nylock M12x1.75 S/S (316)
Capscrew, Hex Head 3/8-16 X 1”
Lock Washer, Helical 3/8”
Capscrew, Hex Head 5/16-18 X 1- 1/4”
Lock Washer, Helical 5/16
Flat Washer M12 S/S
Flat Washer M10
Plug, Hex Head Brass 1/4 NPT

P773-3 3/20

7-3-

Updated 2-20-18
GROUP 8 – FRAME & MOUNTING

Base Frame
After S/N xxxx-54637

D-5043
P773-3 3/20

7-4

Updated 3-31-20

GROUP 8 – FRAME & MOUNTING

Base Frame“Gem Series” Marine Unit From S/N xxxx-54637
KEY

PART NUMBER

QTY

DESCRIPTIONSERIAL NUMBER

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

39-88008
23-88001
23-88002
12-09831
15-00808
15-09805
12-09956
15-88002
33-83105
15-09007
14-09830
12-09751
15-00705
12-09753
15-00705
15-00706
012110025
14-00814
15-0080212-09831

1
1
1
3
4
4
4
10
4
4
4
16
16
6
6
6
4
4
4
1

Base Frame, Stainless Steel,Plateform Mtg (Gem Series)
Bracket,Front Engine Mtg R.h.
Bracket,Front Engine Mtg L.h. With Regulator Mtg Pad
Capscrew, Hex Head M10x1.5 X 25mm S/S
Lock Washer,Helical M10 S/S
Flat Washer M10 S/S
Capscrew, Hex Head, M12x1.75 X 65mm S/S
Snubbing Washer,STL. 0.510”ID X 2.680”OD X 0.125”
Flex Mount,Plateform 120 LB
Flat Washer M12 S/SHex Nut,Nylock M12x1.75 S/S
Capscrew, Hex Head M8x1.25 X 16mm S/S
LOCK WASHER,HELICAL M8 S/S
Capscrew, Hex Head M8x1.25 X 30mm S/S
LOCK WASHER,HELICAL M8 S/S
Flat Washer M8 S/S
STUD M10x1.25 X 25mm (37mmLOA)
Hex Nut M10x1.25 (17mm Hex) Property Class 8
Lock Washer,Helical M10
Capscrew, Hex Head M10x1.5 X 25mm

P773-3 3/20

7-5-

Updated 5/27/16
GROUP 8 – ACCESSORIES AND OPTIONAL EQUIPMENTOil Drain Kit
Marine Application

A-5024/ B-3990

KEY

PART NUMBER••

36-70010		
36-72002
1

1

QTY

DESCRIPTIONSERIAL NUMBER

Oil Drain Pump Kit (with hose & connectors)
Hand Pump-

Oil Drain
Industrial Application

A-6480KEY
1PART NUMBER
36-77400QTY
1DESCRIPTIONSERIAL NUMBER

Drain ValveP773-3 3/20

8-0

Updated 5-11-16
GROUP 8 – ACCESSORIES AND OPTIONAL EQUIPMENT

Keel Cooling Conversion
Marine Application - with Dry Exhaust

A-10008, A-11726/ B-9395

KEY

PART NUMBER

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

165206320
052300700
20-12019
19-04048
27-32007
11-3190200-32008
21-10031
18-18606
21-10044
19-01008
18-18604
18-18605
21-18602
19-00016
21-51900

QTY
1
1
2
2
1
1
1
1
1
1
2
1
1
2
4
1

DESCRIPTIONSERIAL NUMBER

Cover (white)
O-ringEnd Cap, Rubber
Hose Clamp, #48 (formerly #19-00048)
Elbow, Dry Exhaust 1-1/2" NPT
Gasket, Exhaust Outlet Mtg.
Exhaust Lagging (not shown)
Male Elbow 900 Brass 3/8 NPT x 1/2 HB (Beaded Barb)
Hose, 1/2” I.D. x 3-1/2” 3 Ply Silicone
Adapter, 3/8 NPT x 3/8 NPT
Hose Clamp #8 Extended Band S/S
Hose, Coolant Pump Inlet
Hose, Expansion Tank Outlet
Male Elbow, 45°, Copper 1-1/8" HB x 1-1/4" HB
Hose Clamp #16
Plug, Socket Head 1/8 NPT
P773-3 3/20

8-1-

4420 14th Ave. NW., Seattle WA 98107
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