2004-2010 Audi A8/S8 Radiator 4E0121251F
OEM Part #: 4E0-121-251-F (4E0121251F)
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The exact part you’ll receive — not a stock photo.
$186.99
Used
Donor2008 Audi A8 · 4.2L
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Genuine OEM Used
SKU: 684314
Donor Vehicle: 2008 Audi A8 · 4.2L
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$186.99
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Audi radiator OEM 4E0121251F — a used genuine part removed from a compatible Audi. This aluminum-and-plastic assembly also replaces 4E0121251D. It handles engine cooling on 4.2L V8, 5.2L V10, and 6.0L W12 naturally aspirated gas engines. When the radiator fails, the car may overheat or lose coolant due to cracks at the plastic tank seams. This unit must be paired with a fresh thermostat and coolant for reliable operation.
Specifications
| Fits Vehicle Model | A8, S8 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4E0-121-251-F (4E0121251F) |
| Compatible OEM Part No | 4E0-121-251-D |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 19 vehicle configurations across 1 make, 2004-2010.
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 19 vehicle configurations — 8 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2010 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2008 | Audi | A8 | Quattro L Sedan | 6.0L W12 | |
| 2005 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BVJ |
| 2007 | Audi | A8 | Quattro L Sedan | 6.0L W12 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 006501 |
| 2004 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BVJ |
| 2007 | Audi | S8 | Sedan | 5.2L V10 | |
| 2007 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BVJ |
| 2008 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2008 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2008 | Audi | S8 | Sedan | 5.2L V10 | |
| 2006 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BVJ |
| 2006 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BVJ |
| 2007 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BVJ |
| 2009 | Audi | S8 | Sedan | 5.2L V10 | |
| 2005 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BVJ |
| 2009 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2009 | Audi | A8 | Quattro L Sedan | 6.0L W12 | |
| 2009 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2010 | Audi | A8 | Quattro L Sedan | 4.2L V8 |