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Vaico V10-3871 Accessory Drive Belt Tensioner Assembly
Accessory Drive Belt Tensioner for Audi V8
Restore proper accessory belt tension with this Vaico accessory drive belt tensioner assembly, part number V10-3871. It is built to match OE number 077 903 133 E and supports consistent belt tracking on select Audi performance and luxury models.
Key Features
- Accessory drive belt tensioner assembly for the belt and cooling system
- OE reference: 077 903 133 E
- Dimensions: 165 mm length, 100 mm width, 85 mm height
- Weight: 0.906 kg
- Brand line: VAICO OE-style replacement component for European vehicle applications
- Cross-reference: Febi-Bilstein 29232
Detailed Description
Vaico V10-3871 is an accessory drive belt tensioner assembly engineered around OE number 077 903 133 E for accurate replacement fitment. This component helps maintain correct belt tension in the accessory drive system, which is critical for stable operation of belt-driven accessories. It is a direct-fit service part for select Audi A6 Quattro, RS6, A8 Quattro, S6, and S8 applications from the 2000-2004 model years.
Fits 2000-2004 Audi A6 Quattro, N/A. Fits 2003-2004 Audi RS6, N/A. Fits 2000-2003 Audi A8 Quattro, N/A. Fits 2002-2003 Audi S6, N/A. Fits 2001-2003 Audi S8, N/A. This part number, V10-3871, is also referenced in aftermarket catalogs for the same OE application.
Common Replacement Reasons
- Belt squeal caused by weak or inconsistent tension
- Visible belt flutter or poor belt tracking
- Accessory drive noise from a worn tensioner assembly
- Loss of proper belt tension after high mileage service
- Replacement during accessory belt system maintenance on Audi A6 Quattro, RS6, A8 Quattro, S6, or S8
Installation Notes and Tips
Verify OE number 077 903 133 E before installation and compare the mounting dimensions to the removed part. Inspect the accessory belt, pulleys, and related belt system components for wear at the same time. Confirm the tensioner aligns correctly with the belt path on the vehicle before returning the engine to service.
Quality Assurance
VAICO parts are cataloged as OE-style replacement components for European vehicles, with fitment referenced to the original equipment number for application matching. Part number V10-3871 is listed for the Audi models shown above and cross-references Febi-Bilstein 29232 for the same application.
| Brand | Vaico |
|---|---|
| Part Number | V10-3871 |
| Position | VAICO |
| for OE number | 077 903 133 e |
| Height [mm] | 85 |
| Length [mm] | 165 |
| Packaging Depth [cm] | 20 |
| Packaging height [cm] | 12 |
| Packaging width [cm] | 12,5 |
| Weight [kg] | 0.906 |
| Width [mm] | 100 |
This part fits 20 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2004 | Audi | A6 Quattro | Base | 4.2L | V8 | N/A | Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO |
| 2004 | Audi | RS6 | 4.2L | V8 | N/A | Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO | |
| 2003 | Audi | A6 Quattro | Base | 4.2L | V8 | N/A | Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO |
| 2003 | Audi | A8 Quattro | L | 4.2L | V8 | N/A | Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO |
| 2003 | Audi | A8 Quattro | Base | 4.2L | V8 | N/A | Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO |
| 2003 | Audi | RS6 | Base | N/A | Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO | ||
| 2003 | Audi | S6 | Avant | N/A | Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO | ||
| 2003 | Audi | S8 | Base | N/A | Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO | ||
| 2002 | Audi | A6 Quattro | Base | 4.2L | V8 | N/A | Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO |
| 2002 | Audi | A8 Quattro | L | 4.2L | V8 | N/A | Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO |
| 2002 | Audi | A8 Quattro | Base | 4.2L | V8 | N/A | Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO |
| 2002 | Audi | S6 | Avant | N/A | Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO | ||
| 2002 | Audi | S8 | Base | 4.2L | V8 | N/A | Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO |
| 2001 | Audi | A6 Quattro | Base | 4.2L | V8 | N/A | Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO |
| 2001 | Audi | A8 Quattro | L | 4.2L | V8 | N/A | Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO |
| 2001 | Audi | A8 Quattro | Base | 4.2L | V8 | N/A | Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO |
| 2001 | Audi | S8 | Base | 4.2L | V8 | N/A | Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO |
| 2000 | Audi | A6 Quattro | Base | 4.2L | V8 | N/A | Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO |
| 2000 | Audi | A8 Quattro | L | 4.2L | V8 | N/A | Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO |
| 2000 | Audi | A8 Quattro | Base | 4.2L | V8 | N/A | Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.