2017-2021 Audi RS5/S4/S5 Coolant Breather Line / Tube 8W0121081DA
OEM Part #: 8W0-121-081-DA (8W0121081DA)
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The exact part you’ll receive — not a stock photo.
$69.99
Used
Donor2019 Audi S5 · 3.0L
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Genuine OEM Used
SKU: 699972
Donor Vehicle: 2019 Audi S5 · 3.0L
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$69.99
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This used OEM Coolant Breather Line / Tube, part number 8W0121081DA, also replaces 8W0121081BN and 8W0121081CE. It serves as a pressure-relief and air-bleed passage in the cooling system; a cracked or blocked line can cause coolant leaks or overheating. Fits Audi S4, S5, RS5, and RS5 Sportback with 2.9L turbo V6, 3.0L supercharged V6, or 3.0L turbo V6 engines.
Specifications
| Fits Vehicle Model | RS5, S4, S5 |
| Fits Vehicle Make | Audi |
| OEM Part No | 8W0-121-081-DA (8W0121081DA) |
| Compatible OEM Part No | 8W0-121-081-BN, 8W0-121-081-CE |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 19 vehicle configurations across 1 make, 2017-2021.
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 19 vehicle configurations — 9 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2020 | Audi | S5 | Convertible | 3.0L V6 Turbo | For Vehicles With Production date Up To 11/04/19 |
| 2019 | Audi | S5 | Convertible | 3.0L V6 Turbo | For Vehicles With Production date Up To 11/04/19 |
| 2020 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2020 | Audi | S5 | Coupe | 3.0L V6 Turbo | |
| 2021 | Audi | RS5 | Hatchback | 2.9L V6 Turbo | For Vehicles With Production date Up To 01/20/20 |
| 2019 | Audi | S5 | Coupe | 3.0L V6 Turbo | |
| 2019 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2017 | Audi | S5 | Convertible | 3.0L V6 Supercharged | For Vehicles With Production date Up To 11/04/19 |
| 2017 | Audi | S5 | Coupe | 3.0L V6 Supercharged | |
| 2018 | Audi | RS5 | Coupe | 2.9L V6 Turbo | For Vehicles With Production date Up To 01/20/20 |
| 2019 | Audi | RS5 | Coupe | 2.9L V6 Turbo | For Vehicles With Production date Up To 01/20/20 |
| 2018 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2018 | Audi | S5 | Convertible | 3.0L V6 Turbo | For Vehicles With Production date Up To 11/04/19 |
| 2018 | Audi | S5 | Coupe | 3.0L V6 Turbo | |
| 2021 | Audi | RS5 | Coupe | 2.9L V6 Turbo | For Vehicles With Production date Up To 01/20/20 |
| 2019 | Audi | RS5 | Hatchback | 2.9L V6 Turbo | For Vehicles With Production date Up To 01/20/20 |
| 2018 | Audi | S5 | Hatchback | 3.0L V6 Turbo | |
| 2020 | Audi | S5 | Hatchback | 3.0L V6 Turbo | |
| 2019 | Audi | S5 | Hatchback | 3.0L V6 Turbo |