United States
01R525121B Differential Housing
- 01R525121BThis pageNot stocked
Apr 2007 - 01R525121DDiscontinued
Feb 2025
Special order item. Delivery time may vary.
About This Part
Superseded part number
This part number has been replaced. Order the current replacement shown above — the old number can no longer be supplied.
Order Processing & Delivery
This part is not stocked in our warehouse and will be ordered directly from the manufacturer upon purchase. Handling time for VAG is typically 3–8 business days before dispatch.
Handling time for VAG (VW / Audi / Seat / Cupra): 3–8 business days from order confirmation to dispatch (Monday–Friday). Shipping transit for your country is added on top — see handling times by brand and shipping options.
* Delivery times are estimates and may vary based on manufacturer availability and your location.
Verify Vehicle Fitment
To ensure this part is compatible with your vehicle, please contact us with your VIN (Vehicle Identification Number). Our technical team can verify the exact fitment before you place your order.
Contact us with your VINShipping details
- Customs (HS) code
- 87085099
Parts diagram & fitment
3 vehiclesDifferential Housing — locate Differential Housing in the official exploded view and explore the surrounding assembly.
Parts in this assembly48
- 1Housing 01R525121D
- 1Housing 01R525121C
- 1Housing 016409121D
- 2Gear Set 01R525143AM
- 2Gear Set 01R525143AC
- 2Gear Set 01R525143T
- 2Gear Set 01R525143AB
- 2Gear Set 01R525143AD
- 3Bolt N90361401
- 4Mounting 096323981
- 4MountingLeft113517185C
- 5Shim 012409386AL
- 5Shim 012409386AM
- 5Shim 012409386AN
- 5Shim 012409386AP
- 5Shim 012409386AQ
- 5Shim 012409386AR
- 5Shim 012409386AS
- 5Shim 012409386AT
- 5Shim 012409386BA
- 5Shim 012409386BB
- 5Shim 012409386AK
- 5Washer 02A409210A
- 5Washer 02A409210C
- 5Washer 02A409210E
- 5Washer 02A409210G
- 5Washer 02A409210L
- 5Washer 113517201A
- 5Washer 113517202A
- 5Washer 113517203A
- 5Washer 113517204A
- 5Washer 113517205A
- 5Washer 113517206A
- 6MountingRight01E409123
- 6MountingRight016409123
- 7Shim 012409385AL
- 7Shim 012409385AM
- 7Shim 012409385AN
- 7Shim 012409385AP
- 7Shim 012409385AQ
- 7Shim 012409385AR
- 7Shim 012409385AS
- 7Shim 012409385AT
- 7Shim 012409385BA
- 7Shim 012409385BB
- 7Shim 012409385AK
- 8Flanshaft 01R525356E
- 10Screw 088409359
Vehicle fitment table3
Europe (3)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| Audi A8/S8/qu. lang | 2003-2007 | 1 | 1 | G0R | |
| Audi A4/S4 Cabrio./qu. | 2002-2006 | 1 | 1 | G0L,G0R | |
| Audi A4/S4/Av./qu. | 2001-2004 | 1 | 1 | GDF | G0L,G0R |
Diagrams & fitment data powered by oemdiagrams.com
Differential Housing is fitted on: Audi A8/S8/qu. lang 2003-2007; Audi A4/S4 Cabrio./qu. 2002-2006; Audi A4/S4/Av./qu. 2001-2004.