Audi A6/A8/S4 Axle Differential Rear 01R525053K
OEM Part #: 01R-525-053-K (01R525053K)
This page covers one exact OEM part number. Every unit we stocked has sold.
We may be able to get another
Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:
Other Differential that may fit your vehicle
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Specifications
| Fits Vehicle Model | A6, A8, S4 |
| Fits Vehicle Make | Audi |
| OEM Part No | 01R-525-053-K (01R525053K) |
| Side | Rear |
| Category | Differential |
Compatible Vehicles
Fits 30 vehicle configurations across 1 make, 2004-2008.
Check your specific vehicle before ordering.
This list shows year, make, and model. Some years have multiple trims or
engines that use different parts, and individual listings may have
additional fitment notes (e.g. “with sunroof only”). Review
the full variant list below, or
message us with your VIN
and we’ll confirm the match.
View all 30 vehicle configurations — 30 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2004 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Differential Code(s) EYC |
| 2004 | Audi | S4 | Wagon | 4.2L V8 | For Vehicles with Differential Code(s) GDF |
| 2004 | Audi | S4 | Sedan | 4.2L V8 | For Vehicles with Differential Code(s) GDF |
| 2004 | Audi | S4 | Convertible | 4.2L V8 | For Vehicles with Differential Code(s) GDF |
| 2005 | Audi | A6 | Quattro Sedan | 3.2L V6 | For Vehicles with Differential Code(s) HCC |
| 2005 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Vehicles with Differential Code(s) EYC |
| 2005 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Differential Code(s) EYC |
| 2005 | Audi | A8 | Quattro L Sedan | 6.0L W12 | For Vehicles with Differential Code(s) HCL |
| 2005 | Audi | S4 | Wagon | 4.2L V8 | For Vehicles with Differential Code(s) GDF |
| 2005 | Audi | S4 | Sedan | 4.2L V8 | For Vehicles with Differential Code(s) GDF |
| 2005 | Audi | S4 | Convertible | 4.2L V8 | For Vehicles with Differential Code(s) GDF |
| 2006 | Audi | A6 | Quattro Wagon | 3.2L V6 | For Vehicles with Differential Code(s) HCC |
| 2006 | Audi | A6 | Quattro Sedan | 3.2L V6 | For Vehicles with Differential Code(s) HCC |
| 2006 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Vehicles with Differential Code(s) EYC |
| 2006 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Differential Code(s) EYC |
| 2006 | Audi | A8 | Quattro L Sedan | 6.0L W12 | For Vehicles with Differential Code(s) HCL |
| 2006 | Audi | S4 | Wagon | 4.2L V8 | For Vehicles with Differential Code(s) GDF |
| 2006 | Audi | S4 | Sedan | 4.2L V8 | For Vehicles with Differential Code(s) GDF |
| 2006 | Audi | S4 | Convertible | 4.2L V8 | For Vehicles with Differential Code(s) GDF |
| 2007 | Audi | A6 | Quattro Wagon | 3.2L V6 | For Vehicles with Differential Code(s) HCC |
| 2007 | Audi | A6 | Quattro Sedan | 3.2L V6 | For Vehicles with Differential Code(s) HCC |
| 2007 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Vehicles with Differential Code(s) EYC |
| 2007 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Differential Code(s) EYC |
| 2007 | Audi | A8 | Quattro L Sedan | 6.0L W12 | For Vehicles with Differential Code(s) HCL |
| 2007 | Audi | S4 | Wagon | 4.2L V8 | For Vehicles with Differential Code(s) GDF |
| 2007 | Audi | S4 | Sedan | 4.2L V8 | For Vehicles with Differential Code(s) GDF |
| 2008 | Audi | A6 | Quattro Wagon | 3.2L V6 | For Vehicles with Differential Code(s) HCC |
| 2008 | Audi | A6 | Quattro Sedan | 3.2L V6 | For Vehicles with Differential Code(s) HCC |
| 2008 | Audi | S4 | Wagon | 4.2L V8 | For Vehicles with Differential Code(s) GDF |
| 2008 | Audi | S4 | Sedan | 4.2L V8 | For Vehicles with Differential Code(s) GDF |