Audi A4/A5/Q5/S4/S5/SQ5, Porsche Macan Radiator 8K0121251M
OEM Part #: 8K0-121-251-M (8K0121251M)
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 Radiator that may fit your vehicle
Radiator
$99.99
Fits 2009–2017 Audi
OEM: 8K0121251T
Radiator
$99.99
Fits 2009–2017 Audi
OEM: 8K0121251K
Radiator
$71.49
Fits 2009–2017 Audi
OEM: 8K0121251AJ
Radiator
$137.49
Fits 2008–2018 Audi & Porsche
OEM: 8K0121251AA
Radiator Mount Bracket
$27.49
Fits 2017–2024 Audi
OEM: 8W0805201
Radiator Seal / Gasket (LOWER)
$34.79
Fits 2013–2017 Audi Q5 / SQ5
OEM: 8R0121331C
- Genuine OEM — real photos
- 30-day returns on eligible parts
- eBay Top Rated · 100,000+ positive ratings
- Ships from our own indoor warehouse
Specifications
| Fits Vehicle Model | A4, A5, Macan, Q5, S4, S5, SQ5 |
| Fits Vehicle Make | Audi, Porsche |
| OEM Part No | 8K0-121-251-M (8K0121251M) |
| Compatible OEM Part No | 8K0-121-251-Q, 8K0-121-251-AA |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 41 vehicle configurations across 2 makes, 2008-2018.
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 41 vehicle configurations — 29 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2008 | Audi | A5 | Quattro Coupe | 3.2L V6 | For Automatic Transmission |
| 2009 | Audi | A4 | Quattro Sedan | 3.2L V6 | For Automatic Transmission |
| 2009 | Audi | A5 | Quattro Coupe | 3.2L V6 | For Automatic Transmission |
| 2010 | Audi | A5 | Quattro Coupe | 3.2L V6 | For Automatic Transmission |
| 2010 | Audi | S4 | Sedan | 3.0L V6 Supercharged | For Automatic Transmission |
| 2011 | Audi | S4 | Sedan | 3.0L V6 Supercharged | For Automatic Transmission |
| 2012 | Audi | S4 | Sedan | 3.0L V6 Supercharged | For Automatic Transmission |
| 2013 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | For Vehicles With Production date Up To 12/15/14 |
| 2013 | Audi | Q5 | SUV | 3.0L V6 Supercharged | |
| 2013 | Audi | S4 | Sedan | 3.0L V6 Supercharged | For Automatic Transmission |
| 2013 | Audi | S5 | Coupe | 3.0L V6 Supercharged | For Automatic Transmission; For Vehicles With Production date Up To 12/15/14 |
| 2013 | Audi | S5 | Convertible | 3.0L V6 Supercharged | For Automatic Transmission |
| 2014 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | For Vehicles With Production date Up To 12/15/14 |
| 2014 | Audi | Q5 | SUV | 3.0L V6 Supercharged | |
| 2014 | Audi | Q5 | SUV | 3.0L V6 Diesel Turbo | |
| 2014 | Audi | S4 | Sedan | 3.0L V6 Supercharged | For Automatic Transmission |
| 2014 | Audi | S5 | Convertible | 3.0L V6 Supercharged | For Automatic Transmission |
| 2014 | Audi | S5 | Coupe | 3.0L V6 Supercharged | For Automatic Transmission; For Vehicles With Production date Up To 12/15/14 |
| 2014 | Audi | SQ5 | SUV | 3.0L V6 Supercharged | |
| 2015 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | For Vehicles With Production date Up To 12/15/14 |
| 2015 | Audi | Q5 | SUV | 3.0L V6 Supercharged | |
| 2015 | Audi | Q5 | SUV | 3.0L V6 Diesel Turbo | |
| 2015 | Audi | S4 | Sedan | 3.0L V6 Supercharged | For Automatic Transmission |
| 2015 | Audi | S5 | Convertible | 3.0L V6 Supercharged | For Automatic Transmission |
| 2015 | Audi | S5 | Coupe | 3.0L V6 Supercharged | For Automatic Transmission; For Vehicles With Production date Up To 12/15/14 |
| 2015 | Audi | SQ5 | SUV | 3.0L V6 Supercharged | |
| 2016 | Audi | Q5 | SUV | 3.0L V6 Supercharged | |
| 2016 | Audi | Q5 | SUV | 3.0L V6 Diesel Turbo | |
| 2016 | Audi | S4 | Sedan | 3.0L V6 Supercharged | For Automatic Transmission |
| 2016 | Audi | S5 | Convertible | 3.0L V6 Supercharged | For Automatic Transmission |
| 2016 | Audi | S5 | Coupe | 3.0L V6 Supercharged | For Automatic Transmission |
| 2016 | Audi | SQ5 | SUV | 3.0L V6 Supercharged | |
| 2017 | Audi | Q5 | SUV | 3.0L V6 Supercharged | |
| 2017 | Audi | S5 | Convertible | 3.0L V6 Supercharged | For Automatic Transmission |
| 2017 | Audi | SQ5 | SUV | 3.0L V6 Supercharged | |
| 2015 | Porsche | Macan | S SUV | 3.0L V6 Turbo | For Vehicles with Engine Code(s) CTM, CTMA |
| 2016 | Porsche | Macan | S SUV | 3.0L V6 Turbo | For Vehicles with Engine Code(s) CTM, CTMA |
| 2017 | Porsche | Macan | GTS SUV | 3.0L V6 Turbo | For Vehicles with Engine Code(s) CTM, CTMA |
| 2017 | Porsche | Macan | S SUV | 3.0L V6 Turbo | For Vehicles with Engine Code(s) CTM, CTMA |
| 2018 | Porsche | Macan | GTS SUV | 3.0L V6 Turbo | For Vehicles with Engine Code(s) CTM, CTMA |
| 2018 | Porsche | Macan | S SUV | 3.0L V6 Turbo | For Vehicles with Engine Code(s) CTM, CTMA |