Audi Coolant Quick Coupling Hose Adapter 8W0121081BK
OEM Part #: 8W0-121-081-BK (8W0121081BK)
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 Hose / Pipe / Line that may fit your vehicle
Coolant / Water Hose
$16.99
Fits 2015–2026 Audi
OEM: 06E121082S
Coolant / Water Hose
Starting at $13.49
Fits 2017–2025 Audi A4 / A4 allroad / A5
OEM: 8W0819334AR
Coolant / Water Hose
$19.99
Fits 2013–2017 Audi S4 / S5
OEM: 8K0121081BK
Coolant / Water Hose
$7.21
Fits 2017–2024 Audi & Porsche
OEM: 06M121054D
Coolant / Water Hose
Starting at $14.99
Fits 2017–2020 Audi S4 / S5
OEM: 8W0121501AL
Coolant / Water Hose
$8.49
Fits 2017–2020 Audi S4 / S5
OEM: 8W0121449AN
- 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, RS5, S4, S5 |
| Fits Vehicle Make | Audi |
| OEM Part No | 8W0-121-081-BK (8W0121081BK) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 16 vehicle configurations across 1 make, 2017-2018.
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 16 vehicle configurations — 16 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2017 | Audi | A4 | Sedan | 2.0L l4 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 06/26/17 |
| 2017 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 06/26/17 |
| 2017 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 06/26/17 |
| 2017 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | For Manual Transmission; For Automatic Transmission; For Vehicles With Production date Up To 06/26/17 |
| 2017 | Audi | S5 | Convertible | 3.0L V6 Supercharged | For Vehicles With Production date Up To 06/26/17 |
| 2017 | Audi | S5 | Coupe | 3.0L V6 Supercharged | For Vehicles With Production date Up To 06/26/17 |
| 2018 | Audi | A4 | Sedan | 2.0L l4 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 06/26/17 |
| 2018 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 06/26/17 |
| 2018 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 06/26/17 |
| 2018 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | For Manual Transmission; For Automatic Transmission; For Vehicles With Production date Up To 06/26/17 |
| 2018 | Audi | A5 | Hatchback | 2.0L l4 Turbo | For Manual Transmission; For Automatic Transmission; For Vehicles With Production date Up To 06/26/17 |
| 2018 | Audi | RS5 | Coupe | 2.9L V6 Turbo | For Vehicles With Production date Up To 06/26/17 |
| 2018 | Audi | S4 | Sedan | 3.0L V6 Turbo | For Vehicles With Production date Up To 06/26/17 |
| 2018 | Audi | S5 | Convertible | 3.0L V6 Turbo | For Vehicles With Production date Up To 06/26/17 |
| 2018 | Audi | S5 | Coupe | 3.0L V6 Turbo | For Vehicles With Production date Up To 06/26/17 |
| 2018 | Audi | S5 | Hatchback | 3.0L V6 Turbo | For Vehicles With Production date Up To 06/26/17 |