2008-2023 Audi R8 Coolant Reservoir / Bottle / Tank Cap 420121321

OEM Part #: 420-121-321 (420121321)

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 Coolant Reservoir / Tank that may fit your vehicle

Coolant Reservoir / Tank / Bottle 420121403

Coolant Reservoir / Tank / Bottle

Starting at $33.49
Fits 2008–2015 Audi Q7 / R8
OEM: 420121403
Used
Coolant Reservoir Mount / Bracket 7L0121093A

Coolant Reservoir Mount / Bracket

$8.99
Fits 2003–2015 Audi, Porsche + more
OEM: 7L0121093A
Used
  • Genuine OEM — real photos
  • 30-day returns on eligible parts
  • eBay Top Rated · 100,000+ positive ratings
  • Ships from our own indoor warehouse

Specifications

Specifications for Coolant Reservoir / Bottle / Tank Cap 420121321
Fits Vehicle ModelR8
Fits Vehicle MakeAudi
OEM Part No420-121-321 (420121321)
CategoryRadiator / Coolant

Compatible Vehicles

Fits 20 vehicle configurations across 1 make, 2008-2023.

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

  • R8 2008-2023 · 20 variants 10 with notes
View all 20 vehicle configurations — 10 with fitment notes
Full vehicle fitment list for Coolant Reservoir / Bottle / Tank Cap 420121321
Year Make Model Trim Engine Note
2008 Audi R8 Coupe 4.2L V8 For Vehicles with Engine Code(s) BYH
2009 Audi R8 Coupe 4.2L V8 For Vehicles with Engine Code(s) BYH
2009 Audi R8 Coupe 5.2L V10 For Vehicles with Engine Code(s) BUJ
2010 Audi R8 Coupe 4.2L V8 For Vehicles with Engine Code(s) BYH
2010 Audi R8 Coupe 5.2L V10 For Vehicles with Engine Code(s) BUJ
2011 Audi R8 Coupe 4.2L V8 For Vehicles with Engine Code(s) BYH
2011 Audi R8 Coupe 5.2L V10 For Vehicles with Engine Code(s) BUJ
2012 Audi R8 Coupe 4.2L V8 For Vehicles with Engine Code(s) BYH
2012 Audi R8 Coupe 5.2L V10 For Vehicles with Engine Code(s) BUJ
2012 Audi R8 GT Coupe 5.2L V10 For Vehicles with Engine Code(s) BUJ
2014 Audi R8 Coupe 4.2L V8
2014 Audi R8 Coupe 5.2L V10
2015 Audi R8 Coupe 4.2L V8
2015 Audi R8 Coupe 5.2L V10
2017 Audi R8 Coupe 5.2L V10
2018 Audi R8 Coupe 5.2L V10
2020 Audi R8 Coupe 5.2L V10
2021 Audi R8 Coupe 5.2L V10
2022 Audi R8 Coupe 5.2L V10
2023 Audi R8 Coupe 5.2L V10

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