2004-2010 Audi A8 Coolant Reservoir / Tank / Bottle 4E0121403G

OEM Part #: 4E0-121-403-G (4E0121403G)

$99.99
Used
Donor Vehicle2006 Audi A8 · 4.2L
SKU: 721453 · 30-Day Returns
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Coolant Reservoir / Tank / Bottle 4E0121403G — Used (SKU 721453)
Genuine OEM Used SKU: 721453 Donor Vehicle: 2006 Audi A8 · 4.2L 3 photos
$99.99
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This OEM coolant reservoir (part number 4E0121403G) is a factory-original component designed specifically for the Audi A8 Quattro, compatible with models from 2004 to 2010. Positioned strategically in the engine bay, this part serves the essential function of holding and supplying coolant to the engine, ensuring optimal operating temperatures. If your reservoir is worn or cracked, replacing it can resolve overheating issues and leaks. This part is interchangeable with several other OEM numbers, including 4E0121403C, 8E0121321, and more. Trust in the reliability of genuine Audi parts sourced directly from salvage vehicles to maintain your luxury sedan's performance.

Specifications

Specifications for Coolant Reservoir / Tank / Bottle 4E0121403G
Fits Vehicle ModelA8
Fits Vehicle MakeAudi
OEM Part No4E0-121-403-G (4E0121403G)
Compatible OEM Part No 4E0-121-403-C
CategoryRadiator / Coolant

Compatible Vehicles

Fits 13 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.

Audi

  • A8 2004-2010 · 13 variants 7 with notes
View all 13 vehicle configurations — 7 with fitment notes
Full vehicle fitment list for Coolant Reservoir / Tank / Bottle 4E0121403G
Year Make Model Trim Engine Note
2010 Audi A8 Quattro L Sedan 4.2L V8
2005 Audi A8 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BFM, BGK
2009 Audi A8 Quattro L Sedan 4.2L V8
2009 Audi A8 Quattro Sedan 4.2L V8
2005 Audi A8 Quattro L Sedan 4.2L V8 For Vehicles with Engine Code(s) BFM, BGK
2007 Audi A8 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BFM, BGK
2006 Audi A8 Quattro L Sedan 4.2L V8 For Vehicles with Engine Code(s) BFM, BGK
2006 Audi A8 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BFM, BGK
2008 Audi A8 Quattro L Sedan 4.2L V8
2008 Audi A8 Quattro Sedan 4.2L V8
2007 Audi A8 Quattro L Sedan 4.2L V8 For Vehicles with Engine Code(s) BFM, BGK
2004 Audi A8 Quattro L Sedan 4.2L V8 For Vehicles with Engine Code(s) BFM, BGK
2010 Audi A8 Quattro Sedan 4.2L V8

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