Vaico V10-2097 Accessory Drive Belt Tensioner Assembly

Accessory Drive Belt Tensioner for Audi Applications

The Vaico V10-2097 accessory drive belt tensioner assembly is built for Audi ribbed V-belt systems that require OE number 078 903 133 Q. It supports proper belt tension control in 1994-1995 Audi 100, 90, A6, Cabriolet, and Quattro models with the listed chassis breakpoints.

VAICO is the brand line used for OE-style replacement parts, with this tensioner assembly matched to the original application and dimensions for a direct-fit repair approach.

• Accessory drive belt tensioner assembly for ribbed V-belt systems
• OE reference: 078 903 133 Q
• Dimensions: 194 mm length, 91 mm width, 24 mm height
• Weight: 1.235 kg
• Fits 1994-1995 Audi 100, Audi 90, Audi A6, Audi Cabriolet, and Quattro variants listed below
• Cross-reference: Continental 49109, 49267

Detailed Product Information

Use the Vaico V10-2097 when replacing a worn accessory drive belt tensioner on Audi vehicles equipped with the OE number 078 903 133 Q. This part is specified for 1994 Audi 100 and 100 Quattro from chassis/VIN 4A-R-029 518, 1994 Audi 90 and 90 Quattro from chassis/VIN 8C-R-060 923/8C-R-060 966, and 1994 Audi Cabriolet from chassis/VIN 8G-R-003 281. It also fits 1995 Audi 90, 90 Quattro, A6, A6 Quattro, and Cabriolet through the chassis/VIN breakpoints listed in the fitment data. Search terms such as Audi A6 accessory belt tensioner assembly, Audi 90 ribbed V-belt tensioner, and OE 078903133Q replacement point to this exact application.

What This Part Helps Address

• Noise from a worn or unstable belt tensioner
• Incorrect belt tension on the accessory drive system
• Belt tracking issues caused by tensioner wear
• Reduced accessory drive performance from a fatigued tensioner assembly
• Service replacement for OE number 078 903 133 Q

Installation Notes and Tips

Verify the OE number and chassis/VIN breakpoint before ordering, since the listed Audi applications change by production range. Inspect the ribbed V-belt, pulleys, and related accessory drive components during service, and confirm the replacement matches the original dimensions of 194 mm length, 91 mm width, and 24 mm height. Professional installation is recommended for proper belt alignment and tension setup.

Quality Assurance

This Vaico tensioner assembly is cataloged as an OE-number-matched replacement for the specified Audi applications and is supported by interchange references including Continental 49109 and 49267, as well as Febi-Bilstein 36141 and Gates 24878/38193 for the same application.