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GMB 480-6400 Engine Timing Idler - Lower
| Brand | GMB 480-6400 |
|---|---|
| Position | Lower |
| Drive Belt Pulley Diameter (1) (mm) | 1 |
| Pulley / Belt Type | Serpentine & v-belt |
| Pulley Groove Quantity (1) | 1 |
| Pulley Material (1) | Metal |
| Fits | Audi and Volkswagen · 28 vehicles |
OE-spec quality. Manufactured to meet or exceed OEM specifications.
Metal pulley. Built for dependable timing belt operation.
Serpentine & V-belt. Compatible with both belt styles for versatile use.
Cross-references Gates T41228, Nissens 85533 and 4806400 for the same application. See all 4.
Engine Timing Idler for Audi and Volkswagen
The GMB 480-6400 engine timing idler is built for lower timing drive applications where pulley alignment and stable belt routing matter. Manufactured to meet or exceed OEM specifications, it is a direct-fit replacement for select Audi and Volkswagen models with lower-position fitment.
- Engine timing idler for lower mounting locations
- Metal pulley construction for durability
- Serpentine and V-belt pulley type
- 1 mm drive belt pulley diameter specification
- Built to meet or exceed OEM specifications
- Part number 480-6400 for easy identification
Fitment and Application Details
Compatible with 2001-2007 Audi A8 Quattro, lower; 2004-2006 Volkswagen Phaeton, lower; 2004-2006 Volkswagen Touareg, lower; 2001-2004 Audi A6 Quattro, lower; 2003-2004 Audi RS6, lower; 2001-2004 Audi S6, lower; 2001-2003 Audi S8, lower. Also fits 2000 Audi A6 Quattro, lower, from VIN 4DY016501, and 2000 Audi A8 Quattro, lower, from VIN 4DY016501. The GMB 480-6400 is a fitment-specific timing idler for these Audi A8 Quattro and Volkswagen Touareg applications, and the 480-6400 part number should be matched to the vehicle’s engine configuration before ordering.
This part cross-references Gates T41228 for the same application.
What This Part Helps Address
- Timing belt routing noise from a worn idler pulley
- Belt tracking issues caused by pulley wear or misalignment
- Rough pulley rotation from age-related bearing wear
- Service replacement for lower timing drive components
- OE-spec replacement needs on Audi A6 Quattro and Audi A8 Quattro platforms
Installation Notes and Tips
Verify the lower position, engine code, and VIN break before installation, especially on 2000 Audi A6 Quattro and 2000 Audi A8 Quattro applications that begin from VIN 4DY016501. Inspect the surrounding timing components, belt condition, and pulley alignment during service so the new idler operates correctly with the existing drive system.
Quality Assurance
GMB manufactures this timing idler to meet or exceed OEM specifications, with a metal pulley design intended for consistent operation in timing drive service.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2007 | Audi | A8 Quattro | 4.2L | V8 | Lower | — |
| 2006 | Audi | A8 Quattro | 4.2L | V8 | Lower | — |
| 2006 | Volkswagen | Phaeton | 4.2L | V8 | Lower | — |
| 2006 | Volkswagen | Touareg | 4.2L | V8 | Lower | — |
| 2005 | Audi | A8 Quattro | 4.2L | V8 | Lower | — |
| 2005 | Volkswagen | Phaeton | 4.2L | V8 | Lower | — |
| 2005 | Volkswagen | Touareg | 4.2L | V8 | Lower | — |
| 2004 | Audi | A6 Quattro | 4.2L | V8 | Lower | — |
| 2004 | Audi | A8 Quattro | 4.2L | V8 | Lower | — |
| 2004 | Audi | RS6 | 4.2L | V8 | Lower | — |
| 2004 | Audi | S6 | 4.2L | V8 | Lower | — |
| 2004 | Volkswagen | Phaeton | 4.2L | V8 | Lower | — |
| 2004 | Volkswagen | Touareg | 4.2L | V8 | Lower | — |
| 2003 | Audi | A6 Quattro | 4.2L | V8 | Lower | — |
| 2003 | Audi | A8 Quattro | 4.2L | V8 | Lower | — |
| 2003 | Audi | RS6 | 4.2L | V8 | Lower | — |
| 2003 | Audi | S6 | 4.2L | V8 | Lower | — |
| 2003 | Audi | S8 | 4.2L | V8 | Lower | — |
| 2002 | Audi | A6 Quattro | 4.2L | V8 | Lower | — |
| 2002 | Audi | A8 Quattro | 4.2L | V8 | Lower | — |
| 2002 | Audi | S6 | 4.2L | V8 | Lower | — |
| 2002 | Audi | S8 | 4.2L | V8 | Lower | — |
| 2001 | Audi | A6 Quattro | 4.2L | V8 | Lower | — |
| 2001 | Audi | A8 Quattro | 4.2L | V8 | Lower | — |
| 2001 | Audi | S6 | 4.2L | V8 | Lower | — |
| 2001 | Audi | S8 | 4.2L | V8 | Lower | — |
| 2000 | Audi | A6 Quattro | 4.2L | V8 | Lower | From VIN 4DY016501 |
| 2000 | Audi | A8 Quattro | 4.2L | V8 | Lower | From VIN 4DY016501 |
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