2018
MINI HYDRAULIC EXCAVATORPARTS REFERENCE GUIDEPROTECT YOUR INVESTMENT
WITH GENUINE CAT PARTS®

Thank you for selecting the Cat® Mini Hydraulic Excavator.
This guide is designed to provide you with a quick reference for the parts and part numbers you needto keep your Cat Mini Hydraulic Excavator running at peak efficiency.
MAINTENANCE
Proactive preventative maintenance extends the life of your machine and protects your investment.
Only Caterpillar knows Cat equipment’s filtration and lubrication requirements and offers parts kits
to match your machine’s maintenance cycles.
SCHEDULED MAINTENANCE PARTSGREASESPLANNED MAINTENANCE KITS

REPLACEMENT PARTS
Proper maintenance minimizes the need for repair and replacement. In the event that replacement
parts are required, the use of genuine Cat parts helps maximize machine performance and maintains
high resale value.

GREASESSTANDARD MAINTENANCE GREASESPrevious Cat ProductName

Cat Ultra
5 Moly #1

Cat Ultra
5 Moly #2

Cat Advanced
3 MolyCat Arctic
Platinum

Cat Desert
Gold

Cat
Multipurpose

Current Cat Product NameCat Extreme
Application
Grease 1

Cat Extreme
Application
Grease 2

Cat Prime
Application
GreaseCat Extreme
Application Grease- Arctic

Cat Extreme
Application
Grease - Desert

Cat Utility
GreaseGrade (NLGI)

1

2

2

0

2

2

2

Melting point (deg C)

260

260

260

230

280

260

230

Ambient Temperature (deg C)-35 to +40-30 to +50-20 to +40-35 to +40-30 to +50-30 to +40-20 to +1100

Base Oil Type

MineralMineralMineralSemi-Synthetic

MineralMineralMineralColor

Dark Gray

Dark Gray

Dark Gray

Dark Grey

Dark GreyBlue

BronzeCartridge (390 g / 14 oz)

452-5996

452-6001

452-6006

508-2184452-6016

452-6011

130-6951 (standard)
317-8491 (autolube)

Plastic Pail (5 kg / 11 lb)

–

–

–

–

–

–

133-8807

Plastic Pail (16 kg / 35 lb)

452-5999452-6004

452-6009

508-2187452-6019452-6014–

Keg (55 kg / 120 lb)

452-5998

452-6003

452-6008

508-2186452-6018

452-6013–

Drum (180 kg / 400 lb)

452-5997

452-6002

452-6007

508-2185452-6017

452-6012–

UNDERCARRIAGEGROUND ENGAGING TOOLSMINIEXCAVATORS
Sales Model

Serial # Prefix

300.9D

LJM, LJ2

300.9D VPS

TGP, DW2HOODS/DOORS/CAPSCAB ACCESSORIES, MIRRORS AND LIGHTS
ENGINE PARTSCYLINDER PARTSHYDRAULIC QUICK DISCONNECTSMINIEXCAVATORS(UNDER 3 TONS)Sales Model

INITIAL 500 HOURS

INITIAL 50 HOURS

Fuel Filter Change

Hydraulic Filter Change(No Oil Change)

In-line Element

Filter Element

Filter Element

Oil Qty (L)Oil Qty (L) Hydo Adv

372-7361 (pre)372-1101

376-9707

2.5

13.8

REPAIR PARTSCAB GLASS

HammerPaste

PLANNED MAINTENANCE KITS

(UNDER 3 TONS)WEAR PARTSGREASES FOR UNIQUE APPLICATIONS AND ENVIRONMENTS

Engine Oil/Filter Change

Hydraulic Oil Change

INITIAL 100 HOURS

Engine Oil/Filter Change

Final Drive Oil Change(Each Side)

Hydraulic Filter Change(No Oil Change)

Serial # Prefix

Oil Filter Element

Oil Qty (L)Oil Qty (L) GO

Filter Element

301.4C

LJK, LJ3

376-9707–

0.34379-2889

301.7D

LJH, LJ4

376-9707

3.4

0.25

379-2889

301.7D CR

LJD, LJ8

376-9707

3.5

0.6

379-2889

302.2D

LJG, LJ5

376-9707

3.4

0.5

379-2889

302.4D

LJN, LJ6

376-9707

3.4

0.6

379-2889

302.7D CR

LJL, LJ7

376-9707

3.4

0.6

379-2889

PLANNED MAINTENANCE KITS
EVERY 250 HOURSMINIEXCAVATORSEngine Oil/Filter Change(UNDER 3 TONS)Sales Model

Serial # Prefix

EVERY 500 HOURS
Hydraulic Filter
Change(No Oil Change)

Air Filter

EVERY 1,000 HOURS
Engine Oil/Filter Change

Cabin*

Fuel Filter Change

Coolant Change*

Hydraulic System

Hydraulic
Oil Change

Final Drive
Oil Change(Each Side)EngineFilter Element

Oil Qty (L)Filter Element

Primary
Element

SecondaryElement

Air Filter

Filter Element

Oil Qty (L)In-Line Element

FWS Element

Coolant (L)Breather

Oil Qty (L) Hydo Adv

Oil Qty (L) GO

V-Belt376-9707

2.5

372-1101

139-4834234-9828–––372-7361 (pre)372-7352 (main)

2.9

–

13.8

–

373-5727

300.9D

LJM, LJ2

300.9D VPS

TGP, DW2

301.4C

LJK, LJ3

376-9707

2.5

379-2889

139-4834234-9828

381-2913––

379-2639 (pre)372-7352 (main)4379-285620

0.34

379-2652

301.7D

LJH, LJ4––

379-2889

139-4834234-9828395-1261

376-9707

3.4

372-7361 (pre)156-1200 (main)

3.5

379-285619

0.25

379-2652

301.7D CR

LJD, LJ8––

379-2889

139-4834234-9828–376-9707

3.5

372-7361 (pre)156-1200 (main)

3.5

379-285611

0.6

379-2652

302.2D

LJG, LJ5––

379-2889

139-4834234-9828395-1261

376-9707

3.4

372-7361 (pre)156-1200 (main)

3.5

379-2856190.5

379-2652

302.4D

LJN, LJ6––

379-2889

139-4834234-9828395-1261

376-9707

3.4

372-7361 (pre)156-1200 (main)

3.5

379-2856190.6

379-2652

302.7D CR

LJL, LJ7

376-9707

3.4

379-2889

139-4834234-9828

381-2913––

386-0647 (pre)156-1200 (main)

4.5

379-285630

0.6379-2652*Closed Cab
INITIAL 250 HOURSMINIEXCAVATORSEVERY 500 HOURS

Final Drive
Oil Change(Each Side)

Hydraulic Filter
Change(No Oil Change)

Hydraulic Filter
Change(No Oil Change)

Serial # Prefix

Oil Qty (L) GO

Filter Element

FilterElement

FilterElement

Oil Qty(L)

Primary
Element

SecondaryElement

Fresh Air
FilterRecirculation
Filter

In-LineElement

303E CR SB

HHM, SGE

1

304-7196

304-7196

377-6969

6

146-7472

146-7473–

284-5686

303.5E CR

JX2, RKY1

304-7196

304-7196

377-69697

134-8726

140-2334–

303.5E2 CR

BG8, JWY

1421-5481–

377-6969

7415-2592

415-2593

304E2 CR

CJ2, ME4

1

421-5481–

377-6969

9.5

415-2592FXT1

421-5481–

377-6969

9.5

305E2 CR

DJX, H5M

1

421-5481–

377-6969

305.5E2 CR

EJX, CR5

1

421-5481–

305.5E2 FB

WE2

1.3

362-1163

306E2 FB

E2W

1.3

307E57 FB

H1Y

304.5E2 CR XTC

EVERY 2,000 HOURS

EngineA/C Compressor

Final Drive Oil
Change(Each Side)EngineHydraulic Filter
ChangeHydraulic Oil
ChangeFinal Drive
Oil Change(Each Side)FWS
Element

V-Belt

V-BeltOil Qty (L) GO

BreatherElement

FilterElement

Oil Qty (L)Hydo AdvOil Qty (L)GO–

156-1200439-7575

-

1

–

–

33

-

284-5686–

156-1200472-3144272-7881

1

–

–

33

-

–

443-4035–156-1200

9L-1126415-26521–

421-548133-

415-2593
454-5034^–

443-4035

1G-7206^

156-1200389-1590

415-26521

421-1888^

421-548133-

415-2592

454-5034–

443-4035

1G-7206

363-5819389-1590

415-26521

421-1888

421-5481

33

-

9.5

415-2592

415-2593
454-5034^–

443-4035

1G-7206^

156-1200389-1590

415-26521

421-1888^

421-5481

48-377-6969

9.5

415-2592

415-2593
454-5034^–

443-4035

1G-7206^

156-1200389-1590

415-26521

421-1888^

421-5481

48-–377-6969

9.7

134-8726

140-2334

386-6124435-2997–

156-1200389-1590

415-2652––362-116357

1.3

362-1163–377-6969

9.5

134-8726

140-2334

386-6124435-2997–

156-1200389-1590

415-2652––362-1163

58

1.3

1.5

304-7195–377-6969

11

134-8726

140-2334

386-6124435-2997–

233-9856

382-9360

1P-4334––304-7195

51

1.5

CE2

1.5

304-7195–377-6969*

11*

134-8726

140-2334

386-6124435-2997–

156-1200

382-9360

1P-4334––304-7195

51

1.5

KC9

1.5

304-7195–377-6969

11

134-8726

140-2334

386-6124435-2997

1G-7206

363-5819472-3144

7C-8236–421-1888

304-7195

51

1.5

TMX

1

362-1163–377-6969

11415-2592

415-2593

386-6124

382-0466

1G-7206

363-5819

382-9358
382-9360

1P-4334–

421-1888362-1163

51

1

FJX

1

362-1163–377-6969

11415-2592

415-2593

386-6124435-2997

1G-7206

363-5819

382-9358
382-9360

1P-4334–

421-1888362-1163

51

1

W8S

1

362-1163–377-6969

11415-2592

415-2593

386-6124435-2997

1G-7206

363-5819–––

421-1888362-1163

51

1(OVER 3 TONS)Sales Model

EVERY 1,500
HOURS

EVERY 1,000 HOURS

Engine Oil/Filter
ChangeEngine Air Filters

Cabin**

Fuel Filter Change

307E2 FB

308E2 CR

308E2 CR VAB

1,000-hour cycle includes 500-hour part numbers, 1,500-hour cycle includes 500-hour part numbers, 2,000-hour cycle includes 500-hour and 1,000-hour part numbers.
*Recommend change after intial 100 hours **Closed Cab ^Only for Tier 4 Final Engines

UNDERCARRIAGEGROUND ENGAGING TOOLS

Machine Model
Sales
Model

Undercarriage – Under 3 tons

Machine Model

Serial Number
PrefixRollers

Sprockets

Rubber Belt Track

300.9D
300.9D VPS

LJM, LJ2
TGP, DW2

372-5958

372-5983

301.4C

LJK, LJ3

381- 3040

301.7D

LJH, LJ4

301.7D CR

Blade Cutting Edges

Sales Model

Serial Number
PrefixWeld-On

367-4063

303E CR

HHM, SGE

433-3950381-3033

375-5039

303.5E CR

JX2, RKY260-6326 (straight and angle)

381- 3040

381-3033

375-5039 (fixed), 390-2333 (extendable)

303.5E2 CR

BG8, JWY

444-0705 (straight), 260-6326 (angle)

LJ8, LJD

381- 3040

381-3033

390-2333

304E2 CR

CJ2, ME4

444-0706 (straight), 344-8052 (angle)

302.2D

LJG, LJ5

381- 3040

426-2641

390-2334

305E2 CR

DJX, H5M

433-3945 (straight), 191-6758 (angle)

302.4D

LJN, LJ6

386-0791

386-0584

390-2335

305.5E2 CR

EJX, CR5

433-3945 (straight), 191-6758 (angle)

302.7D CR

LJL, LJ7

386-0791

386-0584

430-3220305.5E2 FB

WE2

260-8866

306E2 FB

E2W

260-8866

307E FB

H1Y

178-0937

307E2 FB

CE2, KC9178-0937

308E2 CR

TMX, FJX

178-0937

W8S

178-0937

Machine Model

Undercarriage – Over 3 tons

Sales
Model

Serial Number
PrefixRollers

Sprockets

Rubber Belt
Track

Steel Track
Assembly

Steel Track
Shoe

Rubber Track
Pads

Steel Track
Assembly
w/Pads303E CR

HHM, SGE

266-8793

193-7091

153-5982

163-7538

158-4684(weld-on)

184-2184 (2 stud style pad)212-5118 (nut & clip style pad)–303.5E CR

JX2, RKY266-8793

436-2488

382-3844

263-9252

158-4684(weld-on)

184-2184 (2 stud style pad)212-5118 (nut & clip style pad)–184-2184 (2 stud style pad)212-5118 (nut & clip style pad)–303.5E2 CR

BG8, JWY

468-7455

436-2488

382-3844

263-9252

158-4684(weld-on)

304E2 CR

CJ2, ME4

468-7455

436-2488

473-6511

396-6223

396-6233 (shoe)
396-9400 (bolt)
396-9401 (nut)397-2382 (pad)398-1441 (bolt)
398-1442 (washer)–

304.5E2 CR
XTC

FXT

468-7455

436-2488

473-6511

–

–

–

–

305E2 CR

DJX, H5M

305.5E2 CR

EJX, CR5

163-7093 (pad assembly)
3B-4508 (washer)
6V-8149 (nut)263-9242

305.5E2 FB

WE2

306E2 FB

E2W

307E FB

H1Y

307E2 FB

CE2, KC9308E2 CR

TMX, FJX

308E2 CR
VAB

W8S

422-0837

260-6341

465-9224

263-9239

158-4777 (shoe)
158-4775 (bolt)
158-4776 (nut)422-0837

333-5622–

333-5631

333-5653 (shoe)
333-5651 (bolt)
455-0404 (nut)163-7093 (pad assembly)
3B-4508 (washer)
6V-8149 (nut)–127-3806

294-8262–

317-9584

136-2400 (shoe)
136-2401 (bolt)
136-2402 (nut)170-4419 (pad assembly)
159-6529 (washer)
159-6528 (nut)514-0900 (40 pad kit)–

317-9584

136-2400 (shoe)
136-2401 (bolt)
136-2402 (nut)170-4419 (pad assembly)
159-6529 (washer)
159-6528 (nut)514-0900 (40 pad kit)

315-5275

136-2400 (shoe)145-2950 (shoe-wide)
136-2401 (bolt)
136-2402 (nut)170-4419 (pad assembly)
159-6529 (washer)
159-6528 (nut)514-0900 (40 pad kit)

127-3806
127-3807(rubber belt)
127-3806(steel track)294-8262

294-8262–

465-9223315-5278315-5279 (wide)

315-5274

308E2 CR VAB

Machine Model
Sales Model

Blade Cutting Edges
Serial Number
PrefixMP Bucket Back(blade)72" MP Bucket Clamp(rear edge)

78" MP Bucket Clamp(rear edge)

72" MP Bucket Clamp(front edge)

78" MP Bucket Clamp(front edge)

FXT

154-5077 (72")
199-8316 (78")

154-5078 (weld-on)

199-8317 (weld-on)

135-9396 (bolt-on)

135-9397 (bolt-on)

304.5E2 CR XTC
Sales Model

Serial Number
Prefix308E2 CR

TMX, FJX

308E2 CR VAB

Bolt-On Standard Width

Bolt-On Wide Width

143-3088,
159-0372 (Qty 2)

143-3089,
195-7193 (Qty 2)

W8S

Bucket Teeth

J200(3-5.5 ton SB)

J225(5.5-6 ton FB)(7-8 ton SB)Long

1U-3202

6Y-3222

Light Duty Long449-2154

–

Short

–

6Y-6221Wide

109-9200

186-3010

Penetration

1U-3209

6Y-8229

Sharp - Corner

9W-8208

6Y-7228

Sharp - Center

9W-8209

6Y-7229

Sharp - Twin

135-8208

135-8228

Heavy Duty Long–

8E-4222

Heavy Duty Abrasion–

6Y-6223

Abrasion

4T-2203–

Heavy Duty Pin

8E-6208*

132-4762

Heavy Duty Retainer - Assembly

8E-6209*

149-5733

Description

FB = Fixed Boom SB = Swing Boom *Standard DutyCAB GLASSHOODS/DOORS/CAPS
Front
Window
Upper

Front
Window
Lower

Top Window/
Cover

Right
Window

Rear
Window

Left
Window

Door
Window

–

–

–

–

–

–

–

Sales Model

SerialNumberPrefix300.9D

LJM, LJ2

300.9D VPS

TGP, DW2

301.4C

LJK, LJ3

370-1501

370-1500

370-1486

370-1498 (rear)
370-1499 (forward)

370-1496

370-1497

301.7D CR

LJ8, LJD

–

–

–

–

–

–

301.7D

LJH, LJ4

302.2D

LJG, LJ5

376-2075

302.4D

LJN , LJ6

390-2332 (lower)390-2330 (rear)390-2331 (front)

302.7D CR

LJL, LJ7

303E CR

HHM, SGE

303.5E CR

JX2, RKY

303.5E2 CR

BG8, JWY

304E2 CR
304.5E2 CR XTC

376-2082

376-2081

376-2077

376-2078

Sales Model

SerialNumberPrefix300.9D

LJM, LJ2

300.9D VPS

TGP, DW2

370-1495

301.4C

–376-2076

370-1492

370-1491

370-1486384-2501(top 2 piece slider)370-1490 (lower)

370-1488

370-1489

370-1487

288-6841281-1149

271-5317

314-8295 (front)
314-8294 (rear)

281-1154

281-1155

280-7561

EngineBattery

Radiator

Hydraulic

Pump

Fuel TankCap

Hyd Tank
Cap

Radiator
Cap373-5766

–

–

–

–

372-1130372-1091

372-1137

LJK, LJ3

379-2810

–

–

–

–

379-2585

379-2856379-2768(breather)

301.7D

LJH, LJ4

394-1030

394-5521

394-5522––

399-2975

399-2949

394-0979

301.7D CR

LJ8, LJD

434-3003–

434-2990–

434-2991

376-4061

439-8401

394-0979

302.2D

LJG, LJ5

302.4D

394-1030

394-5521

394-5522––

399-2975

399-2949

394-0979

LJN, LJ6

302.7D CR

LJL, LJ7

457-0495

386-0834–386-0769–

376-4061

386-0621

379-2768

303E CR

HHM, SGE

341-0427

339-1545–396-1812–

265-8575**

4I-3745247-5086–

265-8575**

4I-3745247-5086

303.5E CR SB

JX2, RKY

303.5E2 CR

BG8, JWY

304E2 CR

CJ2, ME4

377-7887

339-1545–

377-7887

426-3377–

377-7892–

265-8575**

4I-3745247-5086

377-7817

426-3377–

377-7822–

265-8575**

4I-3745245-9212–388-2770 (RH)

453-7421(behind boom
foot)388-2783 (LH)086-1781

4I-3745360-2732

265-8575**

4I-3745360-9274

CJ2, ME4FXT

305E2 CR

DJX, H5M

305.5E2 CR

EJX, CR5

305.5E2 FB

WE2

306E2 FB

E2W

307E FB

H1Y

307E2 FB

CE2

308E2 CRTMX

307E2 FB

KC9

308E2 CR

FJX

308E2 CR VAB

W8S

428-7911274-3529 (main)274-3530 (small)

397-4533 (main)419-1289 (main)274-3530 (small)

428-7912

274-8203

389-8667

419-9586

428-7920

274-8207

389-8675

389-8675

465-4035 (front)
428-7917 (rear)

425-3048 (front)
425-2870 (rear)

389-8668

419-9585

428-7918

274-8206389-8670

419-9590

428-7919

274-8205

389-8669

419-9589

436-1743 (top)428-7908 (bottom)

274-3578 (top)274-3579 (bottom)

304E2 CR XTC
305E2 CR

DJX, H5M

389-8682 (lower)
389-8681 (upper - 3 piece)305.5E2 CR

EJX, CR5

305.5E2 FB

WE2

419-9581 (lower)
389-8681 (upper - 3 piece)

306E2 FB

377-7898(nonvented)

FXT

E2W

WE2-S/N 1-528:
E2W-S/N 1-1748
455-1955
WE2-S/N 529-UP:
E2W-S/N 1749-UP:
455-0449
S/N 1-2499:
416-9404

307E FB

377-7892(vented)

H1Y

S/N 2500-3499:
455-1960–

S/N 3500-UP:
455-0449

307E2 FB

CE2, KC9308E2 CR

TMX

308E2 CR

FJX

308E2 CR VAB

W8S

CE2-S/N 1-354:
KC9-S/N 1-334:
455-1960

455-1961(RH-nonvented)
416-9416(RH-vented)–

S/N 1-2499:
416-9431 (LH)
S/N 2500-UP:
455-1962 (LH)–455-1961 (RH)–

455-1962 (LH)265-8575**

4I-3745360-9274378-5930––

396-1821378-5933

265-8575**

4I-3745360-9274378-5930––

396-1821378-5933

265-8575**

4I-3745415-2609

CE2-S/N 355-UP:
KC9-S/N 335-UP:
455-0449**Can be replaced with 349-7059 pad lock loop.

CAB ACCESSORIES, MIRRORS & LIGHTS
Machine Model

ENGINE PARTS
Machine Model

Under 3 tons

Serial Number Prefix

Window Wiper/Rain Guard

Mirrors

Lights

300.9

LJM, LJ2––

372-7443 (boom)
373-9772 (beacon kit)
309-1325 (beacon)

Sales
Model

SerialNumberPrefix300.9D VPS

TGP, DW2––

373-9772 (beacon kit)
309-1325 (beacon)

300.9D

LJM, LJ2

300.9D VPS

TGP, DW2

301.7D CR

LJ8, LJD

436-7777 (guard)

301.4C

301.4C

LJK, LJ3

301.7D

LJH, LJ4

302.2D

LJG, LJ5

302.4D

LJN, LJ6

302.7D CR

LJL, LJ7

303E CR

HHM, SGE

303.5E CR

JX2, RKY

303.5E2 CR

BG8, JWY

304E2 CR
304E2 CR XTC

399-3017 (blade)399-3016 (arm)381-2750 (left)
381-2751 (right)
381-2880 (kit L &R)

212-9347 (cab & boom)
309-1325 (beacon)479-8445 (LED option)

Starter
Motor

Battery

Alternator

Water Pump

Fuel
Injector
Pump

Fuel
Priming
Pump

Fuel
Injector

Glow
Plug

373-9707

369-9955

373-9708

373-5732

373-9735372-7340

373-9726

379-2660

LJK, LJ3

373-9707

369-9956

379-2651 (40A) or 373-9708 or 399-2921 (55A)

379-2664

379-2666372-7340

379-2667

379-2660

301.7D CR

LJ8, LJD

373-9707

369-9955

399-2921

379-2664

379-2666372-7340

379-2667

379-2660

301.7D

LJH, LJ4

302.2D

LJG

373-9707

369-9956

399-2921

379-2664

379-2666372-7340

379-2667

379-2660

302.4D

LJN, LJ6

302.7D CR

LJL, LJ7

373-9707

369-9956

386-0607

379-2664

379-2666372-7340

379-2667

379-2660

Machine Model

381-2985 (blade)381-2993 (arm)275-8631 (blade)275-8630 (arm)156-6617 (cab - L & R)
4Y-3307 (rear)
281-3998 (canopy - R)
201-2638 (canopy - L)

418-5542 (cab & canopy)
212-9347 (boom)
479-8445 (LED option)

Over 3 tons

Sales
Model

SerialNumberPrefix

Water
Pump

Fuel
Injector
Pump

Fuel
TurboPriming
charger
Pump

Starter
Motor

Battery Alternator

Fuel
Injector

Glow
Plug

DPF
FilterKit

DOC
FilterKit

CrankcaseBreather

303E CR

HHM

439-7578

153-5656

439-6444

439-6458

439-6393

370-4008–

439-7615439-7618–––

303.5E CR

JX2, RKY

383-0589

153-5656

383-0592

383-0433

386-6939

370-4008–

383-0544

383-0538–––

303.5E2 CR

BG8, JWY

383-0589

153-5656

383-0592

383-0433

386-6939

370-4008–

464-7050

383-0538–––

304E2 CR

CJ2, ME4

383-0589

153-5656

383-0592

383-0433 (T4i)
477-7577 (T4f)

383-0536 (T4i)
T4f:
477-7689 (high press)
477-7729 (transfer)

370-4008–

304.5E2 CR
XTC

FXT

383-0589

153-5656

383-0592

477-7577

477-7689 (high press)
477-7729 (transfer)

370-4008–

305E2 CR

DJX, H5M

383-0589

153-5656

383-0592

383-0433 (T4i)
477-7577 (T4f)

383-0536 (T4i)
T4f:
477-7689 (high press)
477-7729 (transfer)

370-4008–

383-0544 (T4i)
383-0538477-7735 (T4f)- (T4i)- (T4i)477-7660 (T4f) 486-5208 (T4f)- (T4i)T4f:
421-1888 (element)
436-0839 (seal)

305.5E2 CR

EJX, CR5

383-0589 153-5656

383-0592

383-0433 (T4i)
477-7577 (T4f)

383-0536 (T4i)
T4f:
477-7689 (high press)
477-7729 (transfer)

370-4008–

383-0544 (T4i)
383-0538477-7735 (T4f)- (T4i)- (T4i)477-7660 (T4f) 486-5208 (T4f)- (T4i)T4f:
421-1888 (element)
436-0839 (seal)

305.5E2 FB

WE2

383-0589

9X-3404

383-0592

383-0433

383-0536

149-2685(manual)370-4008(electric)–

383-0544

383-0538–––

306E2 FB

E2W

383-0589

9X-3404

383-0592

383-0433

383-0536

149-2685(manual)370-4008(electric)

466-2681

383-0544

383-0538–––

307E FB

H1Y

418-1463

9X-3404

418-1059

418-1482

418-1040

149-2685(manual)370-4008(electric)

418-1491

418-1050

418-1052

–

–

–

CE2

418-1463

9X-3404

418-1059

418-1482

418-1040

149-2685(manual)370-4008(electric)

488-8362

418-1050

418-1052

–

–

–

KC9

383-0589

9X-3404

383-0592

477-7577

477-7689 (high press)
477-7729 (transfer)

370-4008

490-5915477-7735

383-0538

490-5919

490-5904421-1888 (element)
436-0839 (seal)

385-5044

230-6368

385-5043

387-9903
387-9904(gasket)436-1091

370-4008

436-1920

436-1096(qty 4)387-9899(qty 4)436-1067
20R-3510*

436-1068

421-1888 (element)
436-0839 (seal)

CJ2, ME4FXT

305E2 CR

DJX, H5M

305.5E2 CR

EJX, CR5

305.5E2 FB

WE2

306E2 FB

E2W

307E ST FB

H1Y

8Y-4615 (blade)362-2620 (arm)

4Y-3307 (rear)454-3607 (cab - L & R)
281-3998 (canopy - R)
201-2638 (canopy - L)

214-2968 (cab & canopy)
212-9347 (boom)
479-8445 (LED option)132-5166 (right)

307E2 FB

CE2, KC9308E2 CR

TMX

308E2 CR

FJX

308E2 CR VAB

W8S

274-3539 (blade)274-3538 (arm)
Guard for
KC9, TMX, FJX, W8S:
419-1268 (visor)
419-1269 (bracket)

327-6550 (front - L)
132-5166 (front - R)

327-6550 (front - L)
162-3548 (front orrear round)394-9460 (front R & L)

418-5542 (cab)212-9347 (boom & chassis)479-8445 (LED option)

214-2968 (cab)212-9347 (boom)
479-8445 (LED option)

307E2 FB

308E2 CR
308E2 CR
VAB

TMX, FJXW8S*Reman part number

383-0544 (T4i)
383-0538477-7735 (T4f)

477-7735

383-0538- (T4i)- (T4i)477-7660 (T4f) 486-5208 (T4f)

477-7660

486-5208- (T4i)T4f:
421-1888 (element)
436-0839 (seal)
421-1888 (element)
436-0839 (seal)CYLINDER PARTS
Cylinder Parts
Machine Model

Guards

Sales
Model

SerialNumberPrefix300.9D

LJM, LJ2

300.9D VPS

301.4C

301.7D

301.7D CR

Boom

Stick

BucketBoom Swing

Straight Blade

Undercarriage

Boom

Blade

Tube / Rod / Seal Kit

Tube / Rod / Seal Kit

Tube \ Rod \ Seal Kit

Tube \ Rod \ Seal Kit

Tube / Rod / Seal Kit

Tube / Rod / Seal Kit–

372-7452

373-5800 (cyl as)
373-5752 (rod)373-5750 (seal kit)

526-8963 (cyl as)
373-5747 (rod)373-5748 (seal kit)373-5798 (cyl as)
373-5742 (rod)373-5737 (seal kit)

373-1854 (cyl as)
373-9732 (rod)373-5736 (seal kit)372-7462 (cyl as)
373-5741 (rod)373-5737 (seal kit)372-5998 (cyl as)
373-5744 (rod)373-5736 (seal kit)

375-5036 (cyl as)379-2736 (rod)379-2737 (seal kit)

375-5037 (cyl as)379-2740 (rod)379-2737 (seal kit)

430-8862 (cyl as)379-2579 (rod)379-2581 (seal kit)

TGP, DW2

LJK, LJ3

LJH, LJ4

LJD, LJ8–

395-1259 (cover)395-1228 (plate)–385-7983

60 mm & 82.5 mm bore:
452-9274452-9274375-5033 (cyl as)379-2734 (rod)379-2735 (seal kit)

375-5034 (cyl as)379-2738 (rod)373-5748 (seal kit)

526-8964 (cyl as)
395-1289 (rod)395-1270 (seal kit)

395-1252 (cyl as)
395-1284 (rod)395-1272 (seal kit)438-5868 (cyl as)
395-1289 (rod)379-2735 (seal kit)438-5855 (cyl as)379-2738 (rod)373-5748 (seal kit)

LJ3 1-346/LJK 1-2587:
517-1014 (cyl gp)
379-2739 (rod)373-5748 (seal kit)
LJ3 347-UP/LJK 2588-UP:
517-1014 (cyl gp)

526-8965 (cyl as)
395-1285 (rod)395-1273 (seal kit)

LJ8 1-733/LJD 1-1261:
514-1014 (cyl as)379-2739 (rod)373-5748 (seal kit)
LJ8 734-UP/LJD 1262-UP:
517-1014 (cyl as)

395-1258 (cyl as)
395-1288 (rod)395-1274 (seal kit)

375-5036 (cyl as)379-2736 (rod)379-2737 (seal kit)

60 mm bore:
452-9276 (cyl as)
395-1286 (rod)395-1273 (seal kit)

82.5 mm bore:
452-9275 (cyl as)
395-1287 (rod)395-1270 (seal kit)

452-9275 (cyl as)
395-1287 (rod)395-1270 (seal kit)

60 mm bore:
452-9276 (cyl as)
395-1286 (rod)395-1273 (seal kit)

82.5 mm bore:
452-9275 (cyl as)
395-1287 (rod)395-1270 (seal kit)

395-1254 (cyl as)
395-1290 (rod)395-1275 (seal kit)

395-1254 (cyl as)
395-1290 (rod)395-1275 (seal kit)

302.2D

LJG, LJ5

395-1259 (cover)395-1228 (plate)

60mm & 82.5mm bore:
452-9274426-2644 (cyl as)
426-2647 (rod)395-1270 (seal kit)528-6560 (cyl as)420-0859 (rod)395-1270 (seal kit)

467-4023 (cyl gp)
386-0711 (rod)386-0714 (seal kit)

395-1258 (cyl as)
395-1288 (rod)395-1274 (seal kit)

395-1254 (cyl as)
395-1290 (rod)395-1275 (seal kit)

302.4D

LJN, LJ6

395-1259 (cover)395-1228 (plate)

415-4622

420-0852 (cyl as)420-0860 (rod)395-1274 (seal kit)528-6560 (cyl as)420-0859 (rod)395-1270 (seal kit)

467-4023 (cyl gp)
386-0711 (rod)386-0714 (seal kit)

395-1258 (cyl as)
395-1288 (rod)395-1274 (seal kit)378-8222 (cyl as)
384-2380 (rod)384-2381 (seal kit)–

302.7D CR

LJL, LJ7

384-2489 (cover)
384-2414 (plate)

415-4622

378-8228 (cyl as)
384-2446 (rod)384-2448 (seal kit)378-8229 (cyl as)
384-2449 (rod)384-2452 (seal kit)

467-4023 (cyl gp)
386-0711 (rod)386-0714 (seal kit)378-8223 (cyl as)
384-2453 (rod)384-2454 (seal kit)378-8222 (cyl as)
384-2380 (rod)384-2381 (seal kit)–CYLINDER PARTS
Cylinder Parts

Machine Model

GuardsBoom
Non-Lowering
Control Valve

Sales
Model

SerialNumberPrefix

Boom

Blade

CylinderCylinderLift Cylinder Angle(3 pieces)

303E CR

HHM, SGE

363-5744346-2851

303.5E CR

JX2, RKY363-5744

303.5E2 CR

BG8, JWY

363-5744

304E2 CR

304.5E2 CR XTC

305E2 CR

305.5E2 CR

305.5E2 FB

CJ2, ME4FXT

DJX, H5M

EJX, CR5

WE2

306E2 FB

E2W

307E FB

H1Y

307E2 FB

CE2, KC9308E2 CR

FJX, TMX

308E2 CR VAB

W8S

363-5744363-5744363-5746363-5746

431-4489

431-4489

Lowering
Control Valve

VA Boom

Non-Lowering
Control Valve

Lowering
Control Valve

BucketBoom Swing

Straight Blade

Angle Blade

Tube / Rod / Seal Kit

Tube / Rod / Seal Kit

Tube / Rod / Seal Kit

Tube / Rod / Seal Kit

Tube / Rod / Seal Kit

Tube / Rod / Seal Kit

Tube / Rod / Seal Kit–

422-0708 (tube)
422-0709 (rod)422-0728 (seal kit)–

422-0718 (tube)
422-0719 (rod)281-2322 (seal kit)

422-0721 (tube)
422-0722 (rod)240-0453 (seal kit)

422-0724 (tube)
422-0725 (rod)279-7940 (seal kit)

422-0726 (tube)
278-9475 (rod)281-2322 (seal kit)–

267-4279

290-8288
290-8290
290-8293

301-6892 (tube)
278-8626 (rod)278-8641 (seal kit)–

284-0884 (tube)
278-9122 (rod)279-7940 (seal kit)

383-3206 (tube)
278-9164 (rod)251-9845 (seal kit)

382-1147 (tube)
278-1983 (rod)279-0639 (seal kit)

278-9474 (tube)
278-9475 (rod)278-8641 (seal kit)286-7323 (tube)
286-7324 (rod)283-9122 (seal kit)

432-1454432-1451
432-1453
436-7891

469-0671 (tube)
469-0669 (rod)469-0676 (seal kit)

469-0724 (tube)
469-0669 (rod)469-0676 (seal kit)–

469-0679 (tube)
469-0677 (rod)469-0682 (seal kit)

469-0685 (tube)
469-0683 (rod)469-0689 (seal kit)

469-0726 (tube)
469-0727 (rod)469-0729 (seal kit)

469-0714 (tube)
469-0712 (rod)469-0717 (seal kit)

469-0720 (tube)
469-0718 (rod)469-0723 (seal kit)

432-1451
432-1453
436-7891

478-7049 (tube)
478-7047 (rod)478-7051 (seal kit)

S/N 1-1254
469-0698 (tube)
469-0690 (rod)469-0697 (seal kit)
S/N 1255-UP:
482-8677 (tube)
478-7047 (rod)482-8678 (seal kit)–

469-0701 (tube)
469-0699 (rod)469-0704 (seal kit)

469-0707 (tube)
469-0705 (rod)469-0711 (seal kit)

469-0726 (tube)
469-0727 (rod)469-0729 (seal kit)

469-0714 (tube)
469-0712 (rod)469-0717 (seal kit)

469-0720 (tube)
469-0718 (rod)469-0723 (seal kit)

432-1454–

478-7049 (tube)
478-7047 (rod)478-7051 (seal kit)

482-8677 (tube)
478-7047 (rod)482-8678 (seal kit)–

469-0701 (tube)
469-0699 (rod)469-0704 (seal kit)

469-0707 (tube)
469-0705 (rod)469-0711 (seal kit)

469-0726 (tube)
469-0727 (rod)469-0729 (seal kit)

Blade Lift:
469-0714 (tube)
507-8286 (rod)507-8289 (seal kit)

Blade Tilt:
461-0530 (tube - RH)
461-0537 (tube - LH)
461-0531 (rod)461-0536 (seal kit)

432-1441

432-1445432-1447
432-1450

461-0866 (tube)
461-0627 (rod)461-0642 (seal kit - rod)461-0643 (seal kit - piston)460-9937 (bushing kit)

461-0637 (tube)
461-0627 (rod)461-0642 (seal kit - rod)461-0643 (seal kit - piston)460-9937 (bushing kit)–

460-9940 (tube)
460-9938 (rod)461-0023 (seal kit - rod)451-5100 (seal kit - piston)375-0752 (bushing kit)

461-0028 (tube)
461-0025 (rod)375-0749 (seal kit -rod)
375-0750 (seal kit - piston)375-0752 (bushing kit)

461-0799 (tube)
461-0797 (rod)461-0668 (seal kit - rod)461-0669 (seal kit - piston)461-0800 (bushing kit)

461-0705 (tube)
461-0701 (rod)461-0668 (seal kit - rod)461-0669 (seal kit - piston)461-0309 (bushing kit)

461-0805 (tube)
461-0803 (rod)461-0859 (seal kit - rod)461-0860 (seal kit - piston)461-0857 (bushing kit)

432-1441

432-1445432-1447
432-1450

461-0866 (tube)
461-0627 (rod)461-0642 (seal kit - rod)461-0643 (seal kit - piston)460-9937 (bushing kit)

461-0637 (tube)
461-0627 (rod)461-0642 (seal kit - rod)461-0643 (seal kit - piston)460-9937 (bushing kit)–

461-0649 (tube)
461-0646 (rod)461-0668 (seal kit - rod)461-0669 (seal kit - piston)461-0666 (bushing kit)

461-0676 (tube)
461-0674 (rod)461-0680 (seal kit - rod)461-0681 (seal kit - piston)375-0752 (bushing kit)

461-0799 (tube)
461-0797 (rod)461-0668 (seal kit - rod)461-0669 (seal kit - piston)461-0800 (bushing kit)

461-0705 (tube)
461-0701 (rod)461-0668 (seal kit - rod)461-0669 (seal kit - piston)461-0309 (bushing kit)

461-0805 (tube)
461-0803 (rod)461-0859 (seal kit - rod)461-0860 (seal kit - piston)461-0857 (bushing kit)–452-3451 (tube)
452-3450 (rod)375-0731 (seal kit - rod)375-0732 (seal kit - piston)375-0734 (bushing kit)

455-0420 (tube)
375-0735 (rod)375-0740 (seal kit - rod)375-0741 (seal kit - piston)375-0743 (bushing kit)452-3456 (tube)
452-3454 (rod)452-3459 (seal kit - rod)452-3460 (seal kit - piston)375-0752 (bushing kit)–

S/N 1-136:
S/N 1-137-UP:
392-4558 (tube)
477-4233 (tube)
392-4556 (rod)392-4556 (rod)392-4561 (seal kit - rod)392-4561 (seal kit - rod)392-4562 (seal kit - piston) 392-4562 (seal kit - piston)392-4564 (bushing kit)
392-4564 (bushing kit)––452-3451 (tube)
452-3450 (rod)375-0731 (seal kit - rod)375-0732 (seal kit - piston)375-0734 (bushing kit)–471-5683 (tube)
471-5681 (rod)471-5685 (seal kit - rod)392-4586 (seal kit - piston)375-0743 (bushing kit)438-2559 (tube)
375-0744 (rod)375-0749 (seal kit - rod)375-0750 (seal kit - piston)375-0752 (bushing kit)–

S/N 1-1594:
S/N 1595-UP:
392-4558 (tube)
477-4233 (tube)
392-4556 (rod)392-4556 (rod)392-4561 (seal kit - rod)392-4561 (seal kit - rod)392-4562 (seal kit - piston) 392-4562 (seal kit - piston)392-4564 (bushing kit)
392-4564 (bushing kit)–

392-4573 (tube)
392-4571 (rod)392-4575 (seal kit - rod)392-4576 (seal kit - piston)392-4579 (bushing kit)–

392-4582 (tube)
392-4580 (rod)392-4585 (seal kit - cyl)392-4586 (seal kit - piston)392-4588 (bushing kit)

392-4591 (tube)
392-4589 (rod)392-4594 (seal kit - cyl)392-4595 (seal kit - piston)392-4597 (bushing kit)–

392-4600 (tube)
392-4598 (rod)418-5330 (seal kit - rod)418-5332 (seal kit - piston)418-5334 (bushing kit)–

432-1454333-6235333-6235–

393-8332––

379-0644–

296-9497

Stick379-0644–

382-5744 (tube)
382-5745 (rod)382-5775 (seal kit)

382-5744 (tube)
382-5745 (rod)421-5355 (seal kit)––

508-1283 (tube)
508-1284 (rod)508-1315 (seal kit)

LH & RH with Lowering
Control Valve:508-1293 (tube)
508-1294 (rod)508-1331 (seal kit)

382-5776 (tube)
417-1104 (rod)382-5802 (seal kit)

382-5773 (tube)
417-1104 (rod)422-0706 (seal kit)

382-5804 (tube)
382-5805 (rod)382-5827 (seal kit)

382-5846 (tube)
382-5847 (rod)382-5860 (seal kit)

382-5828 (tube)
382-5829 (rod)382-5845 (seal kit)––

508-1288 (tube)
508-1289 (rod)508-1328 (seal kit)

392-4591 (tube)
392-4589 (rod)392-4594 (seal kit - cyl)392-4595 (seal kit - piston)392-4597 (bushing kit)

382-5846 (tube)
382-5847 (rod)382-5860 (seal kit)

382-5828 (tube)
382-5829 (rod)382-5845 (seal kit)–HYDRAULIC QUICK DISCONNECTS
Hydraulic Quick Disconnects

Machine Model
Sales Model

Serial Number Prefix

Primary Auxiliary

2nd Auxiliary

300.9D

LJM, LJ2

300.9D VPS

TGP, DW2

374-0430 (male)374-0428 (female)–

301.4C

LJK, LJ3

301.7D

LJH, LJ4

374-0430 (male)374-0428 (female)

152-8181 (male)
204-5098 (female)

301.7D CR

LJD, LJ8

302.2D

LJG, LJ5

302.4D

LJN, LJ6

397-2571 (male)397-2572 (female)

152-8181 (male)
204-5098 (female)

302.7D CR

LJL, LJ7

303E CR

HHM, SGE

153-2995 (male)
153-2994 (female)

153-2996 (male)
153-2997 (female)

303.5E CR

JX2, RKY

303.5E2 CR

BG8, JWY

304E2 CR

CJ2, ME4

153-2995 (male)
153-2994 (female)

153-2996 (male)
153-2997 (female)

153-2995 (male)
153-2994 (female)

153-2996 (male)
153-2997 (female)

153-2995 (male)
153-2994 (female)–

153-2995 (male)
153-2994 (female)

153-2996 (male)
153-2997 (female)

304E2 CR XTC

FXT

305E2 CR SB

DJX, H5M

305.5E2 CR

EJX, CR5

305.5E2 FB

WE2

306E2 FB

E2W

307E ST FB

H1Y

307E2 FB

CE2, KC9308E2 CR

TMX, FJX

308E2 CR VAB

W8S

PEBJ0124-03
July 2018© 2018 Caterpillar. All Rights Reserved. CAT, CATERPILLAR, BUILT FOR IT, their respective logos, “Caterpillar Yellow,” the “Power Edge”
trade dress, as well as corporate and product identity used herein, are trademarks of Caterpillar and may not be used without permission.