**Exhibit 4.3**SUPPLEMENTAL INDENTURE     SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”), dated as of November 10, 2006, betweenCVG European Holdings, LLC (the “New Guarantor”), a direct Subsidiary of Commercial Vehicle Group,Inc., a Delaware corporation (the “Company”), the subsidiaries of the Company listed on thesignature pages hereto (together with the New Guarantor, the “Subsidiary Guarantors”) and U.S. BankNational Association, as trustee (the “Trustee”).WITNESSETH:     WHEREAS, the Company and the subsidiaries of the Company listed on the signature pages thereofhave each heretofore executed and delivered to the Trustee an Indenture (as supplemented or amendedfrom time to time, the “Indenture”), dated as of July 6, 2005, providing for the issuance by theCompany of its 8% Senior Notes due 2013 (the “Securities”); and     WHEREAS, Section 4.12 of the Indenture provides that under certain circumstances the Companyis required to cause the New Guarantor to execute and deliver to the Trustee for the benefit of theHolders a supplemental agreement pursuant to which the New Guarantor shall unconditionallyguarantee all of the Company’s obligations under the Securities pursuant to a Guarantee on theterms and conditions set forth herein;     NOW THEREFORE, in consideration of the foregoing and for other good and valuableconsideration, the receipt of which is hereby acknowledged, the New Guarantor covenants and agreesfor the equal and ratable benefit of the Holders of the Securities as follows:     (1) CAPITALIZED TERMS. Capitalized terms used herein without definition shall have themeanings assigned to them in the Indenture.     (2) AGREEMENT TO GUARANTEE. The New Guarantor hereby agrees, jointly and severally with allother Subsidiary Guarantors, to unconditionally guarantee the Company’s obligations under theSecurities on the terms and subject to the conditions set forth in Article 10 of the Indenture andto be bound by all other applicable provisions of the Indenture.     (3) RATIFICATION OF SUPPLEMENTAL INDENTURE; SUPPLEMENTAL INDENTURE PART OF INDENTURE. Exceptas expressly amended hereby, the Indenture is in all respects ratified and confirmed and all theterms, conditions and provisions thereof shall remain in full force and effect. This SupplementalIndenture shall form a part of the Indenture for all purposes, and every holder of the Securitiesheretofore or hereafter authenticated and delivered shall be bound hereby.     (4) NO RECOURSE AGAINST OTHERS. No director, officer, employee, incorporator or stockholderof the New Guarantor, as such, shall have any liability for any obligations of the Company underthe Securities or the Indenture or any Subsidiary Guarantor under its Subsidiary Guarantee, theIndenture or this Supplemental Indenture or for any claim based on, in respect of, or by reason of,such obligations or their creation. By accepting a
 

 
Security, each Securityholder shall waive and release all such liability. The waiver andrelease shall be part of the consideration for issuance of the Subsidiary Guarantee.     (5) EFFECTIVENESS. This Supplemental Indenture shall be effective upon execution by theparties hereto.     (6) RECITALS. The recitals contained herein shall be taken as the statements of the Companyand the Subsidiary Guarantors.     **(7) NEW YORK LAW TO GOVERN. THIS SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY, AND CONSTRUEDIN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK BUT WITHOUT GIVING EFFECT TO APPLICABLEPRINCIPLES OF CONFLICTS OF LAW.**     (8) COUNTERPARTS. The parties may sign any number of copies of this Supplemental Indenture.Each signed copy shall be an original, but all of them together represent the same agreement.     (9) EFFECT ON HEADINGS. The Section headings herein are for convenience only and shall notaffect the construction hereof.
2

 
     IN WITNESS WHEREOF, the parties have caused this Supplemental Indenture to be duly executed asof the date first written above.   **CVG EUROPEAN HOLDINGS, LLC**   By: /s/ Chad M. Utrup   Name: Chad M. UtrupTitle: Chief Financial Officer   **COMMERCIAL VEHICLE GROUP, INC.**   By: /s/ Chad M. Utrup   Name: Chad M. UtrupTitle: Chief Financial Officer   **CABARRUS PLASTICS, INC.****TRIM SYSTEMS, INC.****TRIM SYSTEMS OPERATING CORP.****NATIONAL SEATING COMPANY****CVS HOLDINGS, INC.****SPRAGUE DEVICES, INC.****CVG MANAGEMENT CORPORATION****CVG LOGISTICS LLC****MAYFLOWER VEHICLE SYSTEMS, LLC****MONONA CORPORATION****MONONA WIRE CORPORATION****MONONA (MEXICO) HOLDINGS LLC**   By: /s/ Chad M. Utrup   Name: Chad M. UtrupTitle: Chief Financial Officer   **U.S. BANK NATIONAL ASSOCIATION**   By: /s/ Richard Prokosch   Name: Richard ProkoschTitle: Vice President[Supplemental Indenture]