2004-2009 Audi A8/Allroad Auxiliary Coolant / Water Pump 078121601A
OEM Part #: 078-121-601-A (078121601A)
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The exact part you’ll receive — not a stock photo.
$39.49
Used
Donor2005 Audi A8 · 6.0L
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Genuine OEM Used
SKU: 681160
Donor Vehicle: 2005 Audi A8 · 6.0L
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$39.49
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Audi auxiliary coolant pump OEM 078121601A, a used genuine part. Also called an auxiliary water pump, it circulants coolant to the heater core and secondary circuits. Common failure symptoms include coolant leaks or loss of cabin heat at idle. This pump fits 4.2L V8 and 6.0L W12 engines from the Audi A8 and Allroad Quattro lines.
Specifications
| Fits Vehicle Model | A8, Allroad |
| Fits Vehicle Make | Audi |
| OEM Part No | 078-121-601-A (078121601A) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 7 vehicle configurations across 1 make, 2004-2009.
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 7 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2006 | Audi | A8 | Quattro L Sedan | 6.0L W12 | |
| 2007 | Audi | A8 | Quattro L Sedan | 6.0L W12 | |
| 2005 | Audi | A8 | Quattro L Sedan | 6.0L W12 | |
| 2005 | Audi | Allroad | Quattro Wagon | 4.2L V8 | |
| 2004 | Audi | Allroad | Quattro Wagon | 4.2L V8 | |
| 2009 | Audi | A8 | Quattro L Sedan | 6.0L W12 | |
| 2008 | Audi | A8 | Quattro L Sedan | 6.0L W12 |