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                                                                     EXHIBIT 4.3

     THIS NOTE HAS NOT BEEN REGISTERED UNDER THE UNITED STATES SECURITIES
     ACT OF 1933, AS AMENDED, OR ANY STATE SECURITIES LAWS. NEITHER THIS
     NOTE NOR ANY INTEREST OR PARTICIPATION HEREIN MAY BE REOFFERED, SOLD,
     ASSIGNED, TRANSFERRED, PLEDGED, ENCUMBERED OR OTHERWISE DISPOSED OF IN
     THE ABSENCE OF SUCH REGISTRATION OR UNLESS SUCH TRANSACTION IS EXEMPT
     FROM, OR NOT SUBJECT TO, REGISTRATION.

                                 [FORM OF NOTE]

                            TECUMSEH PRODUCTS COMPANY

                 4.66% Senior Guaranteed Note due March 5, 2011

No. [R-___]                                                              [Date]
$[____________]                                                 PPN 878895 A* 2

         FOR VALUE RECEIVED, the undersigned, TECUMSEH PRODUCTS COMPANY (herein
called the "Company"), a corporation organized and existing under the laws of
the State of Michigan, hereby promises to pay to [________________], or
registered assigns, the principal sum of [________________] DOLLARS on March 5,
2011, with interest (computed on the basis of a 360-day year of twelve 30-day
months) (a) on the unpaid balance thereof at the rate of 4.66% per annum from
the date hereof, payable semiannually, on the fifth day of each March and
September in each year, commencing with the March 5 or September 5 next
succeeding the date hereof, until the principal hereof shall have become due and
payable, and (b) to the extent permitted by law on any overdue payment
(including any overdue prepayment) of principal, any overdue payment of interest
and any overdue payment of any Make-Whole Amount (as defined in the Note
Purchase Agreement referred to below), payable semiannually as aforesaid (or, at
the option of the registered holder hereof, on demand), at a rate per annum from
time to time equal to the greater of (i) 6.66% or (ii) 2% over the rate of
interest publicly announced by Bank One, NA from time to time in Chicago,
Illinois as its "base" or "prime" rate.

         Payments of principal of, interest on and any Make-Whole Amount with
respect to this Note are to be made in lawful money of the United States of
America at Bank One, NA or at such other place as the Company shall have
designated by written notice to the holder of this Note as provided in the Note
Purchase Agreement referred to below.

         This Note is one of a series of Senior Guaranteed Notes (herein called
the "Notes") issued pursuant to the Note Purchase Agreement, dated as of March
5, 2003 (as from time to time amended, the "Note Purchase Agreement"), between
the Company and the Purchasers named therein and is entitled to the benefits
thereof. The payment and performance hereof is unconditionally guaranteed
pursuant to the Guaranty Agreement dated as of March 5, 2003 of

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the Subsidiary Guarantors named therein, and is entitled to the benefits
thereof. Each holder of this Note will be deemed, by its acceptance hereof, (i)
to have agreed to the confidentiality provisions set forth in Section 20 of the
Note Purchase Agreement and (ii) to have made the representation set forth in
Section 6.2 of the Note Purchase Agreement, provided that such holder may (in
reliance upon information provided by the Company, which shall not be
unreasonably withheld) make a representation to the effect that the purchase by
such holder of any Note will not constitute a non-exempt prohibited transaction
under section 406(a) of ERISA.

         This Note is a registered Note and, as provided in the Note Purchase
Agreement, upon surrender of this Note for registration of transfer, duly
endorsed, or accompanied by a written instrument of transfer duly executed, by
the registered holder hereof or such holder's attorney duly authorized in
writing, a new Note for a like principal amount will be issued to, and
registered in the name of, the transferee. Prior to due presentment for
registration of transfer, the Company may treat the person in whose name this
Note is registered as the owner hereof for the purpose of receiving payment and
for all other purposes, and the Company will not be affected by any notice to
the contrary.

         The Company will make required prepayments of principal on the dates
and in the amounts specified in the Note Purchase Agreement. This Note is also
subject to optional prepayment, in whole or from time to time in part, at the
times and on the terms specified in the Note Purchase Agreement, but not
otherwise.

         If an Event of Default, as defined in the Note Purchase Agreement,
occurs and is continuing, the principal of this Note may be declared or
otherwise become due and payable in the manner, at the price (including any
applicable Make-Whole Amount) and with the effect provided in the Note Purchase
Agreement.

         This Note shall be construed and enforced in accordance with, and the
rights of the parties shall be governed by, the law of the State of Michigan
excluding choice-of-law principles of the law of such State that would require
the application of the laws of a jurisdiction other than such State.

                                   TECUMSEH PRODUCTS COMPANY

                                   By__________________________________________
                                      Name:
                                      Title:

                                   E-4.4(c)-2<PAGE>
                                                                    EXHIBIT 10.5
                              EXTENSION AGREEMENT

                            DATA PROCESSING CONTRACT

      Between Mercantile Bank of West Michigan and Fiserv Solutions, Inc.
                        Under the Terms of the Agreement
                            Dated December 10, 1997

WHEREAS, it is in the best interest of Mercantile Bank of West Michigan (Client)
and Fiserv Solutions, Inc.(Fiserv) to extend the relationship represented by
the above captioned contract.

        and

WHEREAS such extension shall provide for terms and conditions in addition to
those in the current contract.

The parties to the agreement hereby agree to the following additional terms and
conditions. These are understood to be additional terms except in the instances
where they conflict with the original contract in which case the terms of this
Extension Agreement will take precedence. All non-conflicting terms and
conditions of the original contract will continue to apply during the extension
term.

TERM

The initial term of the agreement and extension dated May 12, 2000, is extended
and additional three and one-half (3.5) years from the expiration of the current
contract extension or until June 30, 2007.

PRICING

The monthly base processing fee for all open and closed deposit and loan
accounts will be effective upon signing of this extension Agreement per the
following:

     $0.70 per account from 0 to 15,000 accounts
     $0.67 per account for 15,001 through 20,000 accounts
     $0.64 per account for 20,001 through 25,000 accounts
     $0.615 per account for 25,001 and greater.

Premier II Platform: If contracted by June 30, 2003, Centralized Premier II
Platform monthly seat license will be discounted from $64 to $45 per workstation
seat per month. This includes the interface to Deluxe. Monthly per account
fees are discounted from $0.03 to $0.015 per open and closed account per month.

Centralized Prime:  The standard Centralized Prime set-up, implementation, and
training fee of $8,420 will be discounted to $6,500.00. Monthly data refresh
charges per account will be discounted from $0.04 to $0.03 per open and closed
account per month. One annual OFAC report is included. Additional OFAC reports
are $500 per run.  This pricing is valid through the term of the extension.

Premier Messenger:  Installation will be discounted from $3,500 to $2,500.
Monthly fees will be discounted from $0.025 to $0.015 per open and closed
account per month. This pricing is valid through the term of the extension.

Premier eCom and eCorp:  Installation will be discounted from $48,000 to
$33,000. Per customer fees are discounted from $3.00 to $2.00. New customer
signup fees are discounted from $5.00 to $3.50. Shared Internet access fees
will be discounted from $654 to $558 per month. This pricing is valid through
the term of the extension.

Annual price increases will be limited to the CPI.

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                              EXTENSION AGREEMENT

                            DATA PROCESSING CONTRACT

      Between Mercantile Bank of West Michigan and Fiserv Solutions, Inc.
                        Under the Terms of the Agreement
                            Dated December 10, 1997

ACQUISITION CONVERSION COSTS

During the term of the original contract and this contract extension agreement,
Fiserv will accept a contract extension of one year per acquisition in lieu of
charges for the data conversion and database merger. Extraordinary circumstances
(acquisition size greater than 75% of existing institution, account renumbering,
etc.) may create additional mutually agreeable charges to be incurred by Client.
All charges for training conducted by Fiserv or ITI personnel will be charged at
the then current rates.  All travel and out-of-pocket expenditures for Fiserv or
ITI personnel will be charged at the then current rates. The monthly costs for
the acquired accounts will be charged as specified in the original contract,
Exhibit A-2 and this contract extension agreement.

SHOWCASE INCENTIVE

After client installs Premier II Platform, Premier eCom and Premier eCorp,
Fiserv agrees to provide a processing credit as an incentive for showcase
visitations to qualified prospects which result in a new Fiserv Brookfield ITI
client. A showcase visitation is a visitation by a prospective client of Fiserv
that is supported at Client's site during the decision process. For each
showcase visitation that results in a Fiserv Brookfield client for ITI services
Fiserv will provide a credit of $2,500.

CONFIDENTIALITY

Fiserv and Client agree to keep confidential without disclosure to third
parties, the prices, terms, and conditions of this Agreement.

================================================================================

In witness whereof, the parties hereto have caused this Extension Agreement to
be executed by their duly authorized representatives as of the date indicated
below.

Mercantile Bank of West Michigan                 Fiserv Solutions, Inc.

By:    /s/ Robert B. Kaminski                    By:  /s/ James T. Cross
      ---------------------------                    ---------------------------

Name:  Robert B. Kaminski                        Name:  James T. Cross
      ---------------------------

Title:  SVP                                      Title:  Senior Vice President,
                                                         Business Unit Manager

Dated: 11/21/02                                  Dated:  11/22/02

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