Document:

EXHIBIT 4.1

                                 AMENDMENT NO. 2

      This Amendment No. 2 (this "Amendment"), dated as of June 30, 2000, is
among Transportation Components, Inc., d/b/a TransCom USA, a Delaware
corporation (the "Borrower"), the Lenders party to the Credit Agreement (defined
below) and Bank One, NA, as Agent.

                             W I T N E S S E T H:

      WHEREAS, the Borrower, the Lenders and the Agent are parties to that
certain Amended and Restated Credit Agreement dated as of September 30, 1999, as
amended as of March 30, 2000 (as amended, the "Credit Agreement"), and the other
Loan Documents referred to therein; and

      WHEREAS, the Borrower, the Lenders and the Agent desire to amend the
Credit Agreement in order to amend certain provisions thereof;

      NOW, THEREFORE, in consideration of the premises and the undertakings set
forth herein and other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties hereto hereby agree as
follows:

      1. DEFINITIONS. Capitalized terms used herein and not otherwise defined
herein shall have the meanings attributed to them in the Credit Agreement.

      2. AMENDMENTS TO CREDIT AGREEMENT.

            (a) The definition of "Termination Date" set forth in Article I of
      the Credit Agreement is hereby amended and restated to read in its
      entirety as follows:

                  "TERMINATION DATE" means the earlier of (a) July 31, 2001, and
            (b) the date of termination of the Aggregate Commitment pursuant to
            SECTION 2.4 hereof or the Commitments pursuant to SECTION 9.1
            hereof."

            (b) Sections 2.3(B) and 2.4 of the Credit Agreement are hereby
      amended and restated to read in their entirety as follows:

            "(B)  MANDATORY PREPAYMENTS.

                  "(i) AGGREGATE COMMITMENT EXCEEDED. If at any time and for any
      reason the Revolving Credit Obligations are greater than the Aggregate
      Commitment, the Borrower shall immediately make a mandatory prepayment of
      the Obligations in an amount equal to such excess. In addition, if
      Revolving Credit Availability is at any time less than the amount of
      contingent L/C Obligations outstanding at any time, the Borrower shall
      deposit cash collateral with the Agent in an amount equal to the amount by
      which such L/C Obligations exceed such Revolving Credit Availability. All
      of the mandatory prepayments made under this SECTION 2.3(B) shall be
      applied first to Floating Rate Loans and to any Eurodollar Rate Loans
      maturing on such date and then to subsequently maturing Eurodollar Rate
      Loans in order of maturity.
<PAGE>
                  "(ii) ASSET DISPOSITIONS. Promptly following any Asset
      Disposition, the Borrower shall prepay the Revolving Loans in an aggregate
      amount equal to one hundred percent (100%) of the net cash proceeds
      derived from such Asset Disposition, and the Aggregate Commitment shall be
      automatically reduced, ratably among the Lenders, by the amount of such
      prepayment. For purposes of this Section 2.3(b)(ii), the term "ASSET
      DISPOSITION" shall mean the disposition of any or all of the assets
      (including the capital stock of a Subsidiary) of the Borrower or any of
      its Subsidiaries, whether by sale, lease, transfer or otherwise, but
      excluding the sale, transfer, or other disposition of any inventory in the
      ordinary course of business and on ordinary business terms.

            "2.4  REDUCTION OF COMMITMENTS.

            "(i) OPTIONAL REDUCTION OF COMMITMENTS. The Borrower may permanently
      reduce the Aggregate Commitment in whole, or in part ratably among the
      Lenders, in an aggregate minimum amount of $5,000,000 and integral
      multiples of $5,000,000 in excess of that amount (unless the Aggregate
      Commitment is reduced in whole), upon at least three (3) Business Days'
      written notice to the Agent, which notice shall specify the amount of any
      such reduction; PROVIDED, HOWEVER, that the amount of the Aggregate
      Commitment may not be reduced below the aggregate principal amount of the
      outstanding Revolving Credit Obligations.

            "(ii) AUTOMATIC REDUCTION OF COMMITMENTS. The Aggregate Commitment
      shall be permanently reduced, ratably among the Lenders, by the amount of
      each prepayment required to be made in accordance with Section 2.3(B)(ii).

            "(iii) PAYMENT OF COMMITMENT FEES. All accrued commitment fees shall
      be payable on the effective date of any partial or complete termination of
      the obligations of the Lenders to make Revolving Loans hereunder."

            (c) SECTION 2.12(D)(II) of the Credit Agreement is hereby amended to
      read in its entirety as follows:

                  "(ii) The Applicable Eurodollar Margin, Applicable Floating
            Rate Margin and Applicable Commitment Fee Percentage shall be
            determined by reference to the table set forth below for each
            calendar quarter, commencing with the quarter ending on September
            30, 2000.

                                     Page 2
<PAGE>
<TABLE>
<CAPTION>
======================== ===================== ================== =================== ===================== =====================
                              JULY 1, 2000,     OCTOBER 1, 2000,    JANUARY 1, 2001,      APRIL 1, 2001,         JULY 1, 2001,
                                THROUGH             THROUGH              THROUGH             THROUGH                THROUGH
                              SEPTEMBER 30,       DECEMBER 31,           MARCH 31,           JUNE 30,             TERMINATION
PERIOD                            2000                2000                2001                 2001                  DATE
------------------------ --------------------- ------------------ ------------------- --------------------- ---------------------
<S>                      <C>                   <C>                <C>                 <C>                   <C>
Applicable Commitment
Fee Percentage           0.50%                 0.50%              0.50%               0.50%                 0.50%
------------------------ --------------------- ------------------ ------------------- --------------------- ---------------------
Applicable Eurodollar
Rate Margin and
Applicable L/C Fee
Percentage               3.50%                 3.75%              4.00%               4.25%                 4.50%
------------------------ --------------------- ------------------ ------------------- --------------------- ---------------------
Applicable Floating
Rate Margin              2.00%                 2.25%              2.50%               2.75%                 3.00%
------------------------ --------------------- ------------------ ------------------- --------------------- ---------------------
</TABLE>

            (d) Subparagraph (ii) of Section 7.3(F) of the Credit Agreement is
      hereby amended to read in its entirety as follows:

                  "(ii) [Intentionally Blank];"

            (e) The period after subparagraph (h) of Section 7.3(G)(iii) shall
      be changed to a semicolon, the word "and" shall be inserted thereafter and
      a new subparagraph (i) shall be added to Section 7.3(G)(iii) after
      paragraph (h), reading in its entirety as follows:

                  "(i) for each Acquisition made on or after July 1, 2000, the
            written consent of all Lenders shall have been obtained."

            (f) Sections 7.4(A), (B) and (D) of the Credit Agreement are hereby
      amended to read in their entirety as follows:

            "(A) FIXED CHARGE COVERAGE RATIO. The Borrower shall maintain a
      ratio ("FIXED CHARGE COVERAGE RATIO") of (i) the sum of (a) EBITDA, MINUS
      (b) depreciation expense, to the extent included in the computation of
      EBITDA to (ii) the sum of (a) Interest Expense, PLUS (b) one-seventh of
      the outstanding balance of the Loans made pursuant to Section 2.1(a) and
      2.1(b) hereof and outstanding at the end of each relevant four
      fiscal-quarter period, PLUS (c) scheduled amortization of the principal
      portion of any Indebtedness (except to the extent included in clause (b)
      preceding), in each case for the Borrower and its consolidated
      Subsidiaries, at least equal to the minimum Fixed Charge Coverage Ratio
      set forth below at all times during each period set forth opposite such
      minimum Fixed Charge Coverage Ratio:

      MINIMUM FIXED CHARGE
         COVERAGE RATIO            PERIOD

            0.57 to 1.00           April 1, 2000 through September 30, 2000

            0.60 to 1.00           October 1, 2000 through December 31, 2000

            0.70 to 1.00           January 1, 2001 through March 31, 2001

            0.85 to 1.00           From and after April 1, 2001

                                     Page 3
<PAGE>
      In each case the Fixed Charge Coverage Ratio shall be determined as of the
      last day of each fiscal quarter for the four fiscal-quarter period ending
      on such day. For purposes of calculating the Fixed Charge Coverage Ratio
      for any period under this SECTION 7.4(A), Interest Expense and
      amortization of Indebtedness shall be calculated for any such period by
      including the actual amount for the applicable period ending on such day,
      including Interest Expense and amortization of assumed Indebtedness
      attributable to Permitted Acquisitions occurring during such period on an
      actual basis for assumed Indebtedness and on a PRO FORMA basis for
      Interest Expense for the period from the first day of the applicable
      period through the date of the closing of each Permitted Acquisition,
      utilizing (a) where available or required pursuant to the terms of this
      Agreement, historical audited and/or reviewed unaudited financial
      statements obtained from the seller, broken down by fiscal quarter in the
      Borrower's reasonable judgment or (b) unaudited financial statements
      (where no audited or reviewed financial statements are required pursuant
      to the terms of this Agreement) reviewed internally by the Borrower,
      broken down by fiscal quarter in the Borrower's reasonable judgment,
      utilizing, without duplication, any pro forma adjustments which are
      consistent with the Commission's regulations and practices as of June 24,
      1998 (whether or not applicable) to account for adjustments to historical
      Interest Expense for an acquired entity.

            "(B) TOTAL DEBT TO EBITDA RATIO. The Borrower shall not permit the
      ratio (the "LEVERAGE RATIO") of (i) Total Debt of the Borrower and its
      consolidated Subsidiaries to (ii) EBITDA of the Borrower and its
      consolidated Subsidiaries to be greater than the maximum Leverage Ratio
      set forth below at any time during each period set forth opposite such
      maximum Leverage Ratio:

            MAXIMUM LEVERAGE RATIO    PERIOD

            6.30 to 1.00              April 1, 2000 through June 30, 2000

            6.10 to 1.00              July 1, 2000 through September 30, 2000,

            5.35 to 1.00              October 1, 2000 through December 31, 2000,

            5.00 to 1.00              January 1, 2001 through March 31, 2001,

            4.15 to 1.00              From and after April 1, 2001.

      The Leverage Ratio shall be, in each case, determined as of the last day
      of each fiscal quarter (commencing with the fiscal quarter ending June 30,
      2000, and each fiscal quarter thereafter) based upon (a) for Total Debt,
      Total Debt as of the last day of each such fiscal quarter; and (b) for
      EBITDA, EBITDA for the twelve-month period ending on such day, calculated
      as set forth in the definition thereof.

                                     Page 4
<PAGE>
            "(D) CAPITAL EXPENDITURES. The Borrower will not, nor will it permit
      any Subsidiary to, expend, or be committed to expend, for Capital
      Expenditures in the acquisition of fixed assets, (i) during the calendar
      year 2000, an amount in excess of $2,800,000, in the aggregate, nor (ii)
      during the calendar year 2001, an amount in excess $2,000,000, in the
      aggregate. For purposes of this SECTION 7.4(D), the Capital Expenditures
      for all Subsidiaries during the applicable twelve-month period are to be
      included, even though some of such Capital Expenditures occurred prior to
      such entity becoming a Subsidiary of the Borrower."

            (g) A new paragraph (E) is hereby added to Section 7.4 reading in
      its entirety as follows:

                  "(E) MINIMUM EBITDA. The EBITDA of the Borrower and its
            consolidated Subsidiaries for each fiscal quarter ended on or after
            September 30, 2000 shall not be less than $3,250,000."

            (h) A new paragraph (q) shall be added to Section 8.1 reading in its
      entirety as follows:

                  "(q) PAYMENT OF SUBORDINATED INDEBTEDNESS. The Borrower, any
            of its Subsidiaries or any Guarantor shall make any payment of
            principal of any Indebtedness subordinated in payment to any of the
            Obligations at any time prior to the later of (i) the Termination
            Date or (ii) the payment in full of the Obligations and the
            expiration, cancellation or termination of all Letters of Credit."

      3. WAIVER. The Lenders hereby agree that the failure of Borrower or any of
its Subsidiaries prior to the Termination Date to make any payment when due with
respect to Permitted Subordinated Indebtedness shall not constitute an Event of
Default under the Credit Agreement, notwithstanding the provisions of Section
8.1(e) of the Credit Agreement.

      4. REPRESENTATIONS AND WARRANTIES. In order to induce the Agent and the
Lenders to enter into this Amendment, the Borrower hereby represents and
warrants to the Agent and the Lenders as of the date of this Amendment that:

            (a) There exists no Default or Unmatured Default and the execution
      of this Amendment shall not create a Default or Unmatured Default.

            (b) The representations and warranties contained in Article VI of
      the Credit Agreement are true and correct as of the date of this
      Amendment.

      5. EFFECT ON THE CREDIT AGREEMENT. Except as expressly amended or waived
hereby, all of the representations, warranties, terms, covenants and conditions
of the Credit Agreement and the other Loan Documents (a) shall remain unaltered,
(b) shall continue to be, and shall remain, in full force and effect in
accordance with their respective terms, and (c) are hereby ratified and
confirmed in all respects. Upon the effectiveness of this Amendment, all
references in the Credit Agreement (including references in the Credit Agreement
as amended by this Amendment) to "this Agreement"

                                     Page 5
<PAGE>
      (and all indirect references such as "hereby", "herein", "hereof" and
      "hereunder") shall be deemed to be references to the Credit Agreement as
      amended by this Amendment.

      6. AMENDMENT FEE. The Borrower agrees to pay to each Lender, within two
business days after execution of this Amendment by the Borrower and all the
Lenders, an amendment fee equal to fifteen one-hundredths of one percent (0.15%)
of the amount of such Lender's Commitment on the date hereof.

      7. LEGAL EXPENSES. The Borrower agrees to reimburse the Agent for
reasonable legal fees and expenses incurred by attorneys for the Agent (who may
be employees of the Agent) in connection with the preparation, negotiation and
consummation of this Amendment and the transactions contemplated herein.

      8.    MISCELLANEOUS.

            (a) This Amendment may be executed in counterparts and by the
      different parties hereto on separate counterparts each of which, when so
      executed and delivered, shall be deemed an original, and all of which
      taken together shall constitute one and the same agreement.

            (b) This Amendment shall be effective as of the date first above
      written; PROVIDED, THAT, the Agent has received executed counterparts of
      this Amendment from the Borrower, the Agent and each of the Lenders.

      IN WITNESS WHEREOF, the Borrower, the Agent and the Lenders have executed
this Amendment as of the date first above written.

                         TRANSPORTATION COMPONENTS, INC.,
                         as the Borrower

                         By:    /s/ Mac McConnell
                         Name:  Mac McConnell
                         Title: Senior Vice President & Chief Financial Officer

                         BANK ONE, NA, as Agent and as a Lender

                         By:      _____________________________________________
                         Name:    _____________________________________________
                         Title:   _____________________________________________

                                     Page 6
<PAGE>
                         SOUTHTRUST BANK (formerly known as
                         SOUTHTRUST BANK, NATIONAL ASSOCIATION), as a Lender

                         By:      _____________________________________________
                         Name:    _____________________________________________
                         Title:   _____________________________________________

                         BANK OF AMERICA, N.A., as a Lender

                         By:      _____________________________________________
                         Name:    _____________________________________________
                         Title:   _____________________________________________

                         UNION BANK OF CALIFORNIA, N.A., as a Lender

                         By:      _____________________________________________
                         Name:    _____________________________________________
                         Title:   _____________________________________________

                                     Page 7<PAGE>   1
                                                                    Exhibit 10.1

                           AGREEMENT FOR THE SALE OF
                            ORIGIN(TM) PROFESSIONAL
                                    BETWEEN
           SMARTSOURCES.COM TECHNOLOGIES INC. AND THE EUREKA COMPANY

This legal Agreement, effective as at the last signature of both parties, is
between SmartSources.com Technologies Inc., a British Columbia Company and The
Eureka Company (hereunder referred to as the "Client Company"). The agreement
describes the terms and conditions under which SmartSources.com will provide
the right to use the Origin(TM) Pro Software to the Client Company.

1. Description of Service: Technical Support Agreement and Payment Schedule are
                           annexed to this Agreement as Annex A and Annex B
                           respectively, and constitute part of this agreement.

2. Payment:                Terms of payment shall be as set to the in the
                           License Users in Annex B.

3. Additional Purchases:   Any additional purchase of software or services
                           requested by the Client from SmartSources.com but not
                           specified in the immediate sale shall, once confirmed
                           by a Client's authorized Purchase Order and accepted
                           by SmartSources.com, be deemed part of this contract,
                           making the terms and conditions of this contract
                           renewable for the time specified in the Purchase
                           Order wherever applicable.

4. Ownership:              The Client Company acknowledges that SmartSources.com
                           will provide the Client Company with one Origin(TM)
                           Pro License and accompanying documentation. These
                           items will be owned by SmartSources.com and are
                           protected by copyright laws, international treaty
                           provisions and all other applicable national laws.
                           The Client Company agrees to maintain Origin(TM) Pro
                           and the documentation in confidence. The Client
                           Company may not de-compile, disassemble, reverse
                           engineer, copy, modify, disclose, create derivative
                           work, or otherwise use Origin(TM) Pro and the
                           documentation except as stated in this agreement. The
                           Client is authorized to make one copy of Origin(TM)
                           Pro solely for backup or archival purposes, and to
                           transfer Origin(TM) Pro to a single hard disk
                           provided the client keeps the Origin(TM) Pro solely
                           for backup or archival purposes. The Client Company
                           may not copy the documentation and will not
                           sub-license, assign, transfer, rent, lease, publish,
                           display, disclose or otherwise make accessible the
                           license granted hereunder, Origin(TM) Pro or the
                           documentation, in whole or in part, to any third
                           party. Any attempt to sub-license, assign, transfer,
                           rent or lease any of the rights duties, or
                           obligations hereunder are void. The Client Company
                           acknowledges SmartSources.com's representation that
                           Origin(TM) Pro and the Documentation are unique and
                           that SmartSources.com is entitled to seek all legal
                           and equitable remedies to protect its proprietary
                           interests, including the right to seek injunctive
                           relief, and SmartSources.com may enforce the same
                           against the Client Company.

5. Warranty:               SmartSources.com warrants that Origin(TM) Pro will
                           substantially conform to the documentation, and that
                           the magnetic media on which Origin(TM) Pro is
                           distributed and the documentation will be free from
                           defects in materials and workmanship under normal use
                           and service. SmartSources.com further warrants that
                           Origin(TM) Pro does not contain "time bomb" code or
                           other disabling devices. SmartSources.com will
                           replace defective media or documentation at no charge
                           provided the defective media is returned with dated
                           proof of payment to SmartSources.com within 90 days
                           from the date of delivery. This limited warranty is
                           void if the failure of Origin(TM) Pro or the
                           Documentation has resulted from accident, abuse, or
                           misapplication by the Client Company. Any replacement
                           of

<PAGE>   2
                              Origin(TM) Pro or the Documentation will be
                              warranted for the remainder of the Origin(TM) Pro
                              warranty period or 30 days, whichever is longer.
                              SmartSources.com does not represent or warrant
                              that every defect in Origin(TM) Pro or the
                              Documentation can and will be repaired, or that
                              the functions contained in Origin(TM) Pro and the
                              documentation will meet the Client Company's
                              requirements, or that the operation of Origin(TM)
                              Pro will be uninterrupted or error free. Except
                              regarding Section 18, Computer Virus Testing,
                              SmartSources.com makes no other representation or
                              warranties express or implied, with respect to
                              Origin(TM) Pro and the documentation, including
                              their quality performance, merchantability or
                              fitness of a particular purpose.

6. Indemnity:                 The Client Company shall have the right to use the
                              Software for disaster recovery testing purposes at
                              an external third-party side, and to use the
                              Software in a production mode at a third-party
                              site should an actual disaster occur.

7. Limitation of Liability:   Neither party shall be liable to the other for any
                              incidental of coincidental damages, under any
                              circumstances, including but not limited to the
                              loss of profit, revenue or sales, or the loss of
                              use of any data, even if the party had been
                              advised of, knew of, or should have known, of the
                              possibility thereof. Under no circumstances shall
                              SmartSources.com's liability exceed the total
                              amount of charges actually paid to
                              SmartSources.com by the Client Company under this
                              agreement.

8. Year 2000 Operability:     SmartSources.com warrants that Origin(TM) Pro
                              Software is capable of accommodating the Year 2000
                              date change without adversely affecting the
                              operation of the software.

9. Computer Virus Testing:    SmartSources.com warrants and represents that it
                              has taken all reasonable steps to test any
                              software and/or media supplied by it or used by it
                              in the performance of this agreement for computer
                              viruses. Based upon such testing, SmartSources.com
                              warrants and represents that, to the best of its
                              knowledge, such software and media is free from
                              any computer virus at the time it is provided to
                              the Client Company or used in connection with any
                              system or software of the Client Company.
                              "Computer virus" is defined as a computer program
                              attached to or a section of code hidden within the
                              software or media that performs a function
                              unauthorized by the software's documentation and
                              which adversely affects the Client Company
                              computer and software systems.

10. Technical Support Fee:    Technical Support is defined and quoted in Annex A
                              and will be deemed part of this contract. The
                              Technical Support shall be deemed in effect for
                              the entire period of the software license
                              agreement.

<PAGE>   3

This Agreement and its Annexes set forth the entire understanding of the parties
as to subject matter and may not be modified except in writing and executed by
both parties.

In WITNESS WHEREOF, the parties have executed this agreement on the dates set
forth below:

[ SmartSources.com Inc. LOGO ]

SmartSources.com Technologies Inc.
2030 Marine Drive
Suite 100 North Vancouver
BC Canada
V7P 1V7

By: /s/  Lionel Prins
------------------------------
Name: Lionel Prins
Title: VP International Trade
Date:

The Eureka Company
1201 E. Bell St.
Bloomington, IL 61701-6902
USA

By: /s/ Charlie D. Kelly
------------------------------
Name: Charlie D. Kelly
Title: Director of Materials and Purchasing
Date:

<PAGE>   4
                                    ANNEX A
                          TECHNICAL SUPPORT AGREEMENT

SmartSources.com shall provide Technical Support services to those users
designated by the client to be operators of the Client's purchased Origin(TM)
Pro license. this will be limited but not exclusive to SmartSources.com's
Internet site access, SmartSources.com's toll free 1-800 telephone service and
e-mail.

The Technical Support will be extended to the Client for as long as support is
fully paid and limited to licensed holder of Origin(TM) Pro. This service will
include but not be limited to:

1.   SmartSources.com shall assist any authorized licensed holder in solving
     problems with Origin(TM) Pro's normal operation and expand on any issues
     not adequately covered in user manuals or online help systems.

2.   Any failures for the software to perform as indicated in the license
     agreement.

3.   SmartSources.com shall maintain and update on a timely basis, the
     Origin(TM) Pro NAFTA knowledge base as published by the NAFTA participating
     governments regarding NAFTA updates for the countries the license(s)
     supports.

4.   SmartSources.com shall assist the client in configuring the software to
     maximize its licensed use and functionality as stipulated in the product
     description and terms of sale.

5.   SmartSources.com shall provide help with the initial installation of the
     Origin(TM) Pro as stated in the payment schedule.
<PAGE>   5
                                    ANNEX B
                           PAYMENT TERMS AND SCHEDULE

The following table outlines the Price and the Payment Schedule between
SmartSources.com and The Eureka Company for the sale of Origin(TM) Pro.

<TABLE>
-----------------------------------------------------------------------------------------
<S>                     <C>             <C>               <C>
Description of          Quality/Rate    Total             Payment Schedule upon placement
Services or product                                       of Purchase Order
-----------------------------------------------------------------------------------------
Origin(TM) Pro          N/A             US $ 19,950.00    1/3 down $6,650 + 1,995
Software License cost:                                    1/3 upon installation $6,650
                                                          1/3 within two weeks of the
                                                          installation date $6,650
-----------------------------------------------------------------------------------------
Installation Charges    N/A
-----------------------------------------------------------------------------------------
Training Charges        N/A
-----------------------------------------------------------------------------------------
Technical Support Fee   Billed Yearly    US $ 1,995       Paid with the first installment
-----------------------------------------------------------------------------------------
</TABLE>

*SmartSources.com will invoice the Client Company yearly for the annual
Technical Support renewal.

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