Audi A4/A5/S4/S5 Lower Radiator Coolant Hose / Line 8K0121055R
OEM Part #: 8K0-121-055-R (8K0121055R)
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 Coolant Hose that may fit your vehicle
Auxiliary Radiator Coolant Hose / Line
$19.99
Fits 2010–2012 Audi S4 / S5
OEM: 8K0145922A
Center Radiator Coolant Hose / Line
$49.99
Fits 2013–2017 Audi S4 / S5
OEM: 8K0121086S
Coolant / Water Hose
$16.99
Fits 2015–2026 Audi
OEM: 06E121082S
Coolant / Water Hose
$19.99
Fits 2013–2017 Audi S4 / S5
OEM: 8K0121081BK
Coolant Hose / Line
$23.49
Fits 2017–2024 Audi S4 / S5
OEM: 8W1122109G
Coolant Hose / Line
$19.49
Fits 2017–2024 Audi S4 / S5
OEM: 8W1122109F
- 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, S4, S5 |
| Fits Vehicle Make | Audi |
| OEM Part No | 8K0-121-055-R (8K0121055R) |
| Compatible OEM Part No | 8K0-121-055-B |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 23 vehicle configurations across 1 make, 2008-2017.
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 23 vehicle configurations — 3 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2008 | Audi | A5 | Quattro Coupe | 3.2L V6 | |
| 2009 | Audi | A4 | Quattro Sedan | 3.2L V6 | |
| 2009 | Audi | A5 | Quattro Coupe | 3.2L V6 | |
| 2010 | Audi | A5 | Quattro Coupe | 3.2L V6 | |
| 2010 | Audi | S4 | Sedan | 3.0L V6 Supercharged | |
| 2010 | Audi | S5 | Convertible | 3.0L V6 Supercharged | For Vehicles with Engine Code(s) CAKA, CCBA |
| 2011 | Audi | S4 | Sedan | 3.0L V6 Supercharged | |
| 2011 | Audi | S5 | Convertible | 3.0L V6 Supercharged | For Vehicles with Engine Code(s) CAKA, CCBA |
| 2012 | Audi | S4 | Sedan | 3.0L V6 Supercharged | |
| 2012 | Audi | S5 | Convertible | 3.0L V6 Supercharged | For Vehicles with Engine Code(s) CAKA, CCBA |
| 2013 | Audi | S4 | Sedan | 3.0L V6 Supercharged | |
| 2013 | Audi | S5 | Coupe | 3.0L V6 Supercharged | |
| 2013 | Audi | S5 | Convertible | 3.0L V6 Supercharged | |
| 2014 | Audi | S4 | Sedan | 3.0L V6 Supercharged | |
| 2014 | Audi | S5 | Convertible | 3.0L V6 Supercharged | |
| 2014 | Audi | S5 | Coupe | 3.0L V6 Supercharged | |
| 2015 | Audi | S4 | Sedan | 3.0L V6 Supercharged | |
| 2015 | Audi | S5 | Convertible | 3.0L V6 Supercharged | |
| 2015 | Audi | S5 | Coupe | 3.0L V6 Supercharged | |
| 2016 | Audi | S4 | Sedan | 3.0L V6 Supercharged | |
| 2016 | Audi | S5 | Convertible | 3.0L V6 Supercharged | |
| 2016 | Audi | S5 | Coupe | 3.0L V6 Supercharged | |
| 2017 | Audi | S5 | Convertible | 3.0L V6 Supercharged |