2017-2025 Audi A4/A4 allroad/A5 Coolant Reservoir Hose / Line 8W0121081ED
OEM Part #: 8W0-121-081-ED (8W0121081ED)
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The exact part you’ll receive — not a stock photo.
$39.99
Used
Donor2025 Audi A5 SPORTBACK · 2.0L
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Genuine OEM Used
SKU: 694545
Donor Vehicle: 2025 Audi A5 SPORTBACK · 2.0L
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$39.99
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A used genuine Audi coolant reservoir hose, OEM number 8W0121081ED, replaces 8W0121081DR. This line carries coolant between the reservoir and the engine, and a cracked or leaking hose can cause overheating and coolant loss. It's a direct fit for 2.0L turbocharged four-cylinder engines, including the EA888 family.
Specifications
| Fits Vehicle Model | A4, A4 allroad, A5 |
| Fits Vehicle Make | Audi |
| OEM Part No | 8W0-121-081-ED (8W0121081ED) |
| Compatible OEM Part No | 8W0-121-081-DR |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 44 vehicle configurations across 1 make, 2017-2025.
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 44 vehicle configurations — 44 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2022 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | #3, 2021-25 FRONT UPPER |
| 2025 | Audi | A5 | Hatchback | 2.0L l4 Turbo | For Manual Transmission; For Automatic Transmission; For Vehicles with Production Date After 08/19/19 |
| 2024 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | For Automatic Transmission; For Vehicles with Production Date After 08/19/19 |
| 2024 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Automatic Transmission; For Vehicles with Production Date After 07/08/19 |
| 2024 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | For Manual Transmission; For Automatic Transmission; For Vehicles with Production Date After 08/19/19 |
| 2024 | Audi | A5 | Hatchback | 2.0L l4 Turbo | For Manual Transmission; For Automatic Transmission; For Vehicles with Production Date After 08/19/19 |
| 2021 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | For Automatic Transmission; For Vehicles with Production Date After 08/19/19 |
| 2021 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Automatic Transmission; For Vehicles with Production Date After 07/08/19 |
| 2020 | Audi | A5 | Hatchback | 2.0L l4 Turbo | For Manual Transmission; For Automatic Transmission; For Vehicles with Production Date After 08/19/19 |
| 2023 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Automatic Transmission; For Vehicles with Production Date After 07/08/19 |
| 2023 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | For Automatic Transmission; For Vehicles with Production Date After 08/19/19 |
| 2021 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | For Manual Transmission; For Automatic Transmission; For Vehicles with Production Date After 08/19/19 |
| 2019 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | For Automatic Transmission; For Vehicles with Production Date After 08/19/19 |
| 2022 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | For Manual Transmission; For Automatic Transmission; For Vehicles with Production Date After 08/19/19 |
| 2020 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | For Automatic Transmission; For Vehicles with Production Date After 08/19/19 |
| 2020 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Automatic Transmission; For Vehicles with Production Date After 07/08/19 |
| 2022 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Automatic Transmission; For Vehicles with Production Date After 07/08/19 |
| 2022 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | For Automatic Transmission; For Vehicles with Production Date After 08/19/19 |
| 2023 | Audi | A5 | Hatchback | 2.0L l4 Turbo | For Manual Transmission; For Automatic Transmission; For Vehicles with Production Date After 08/19/19 |
| 2020 | Audi | A4 | Sedan | 2.0L l4 Turbo | For Automatic Transmission; For Vehicles with Production Date After 07/08/19 |
| 2022 | Audi | A5 | Hatchback | 2.0L l4 Turbo | For Manual Transmission; For Automatic Transmission; For Vehicles with Production Date After 08/19/19 |
| 2019 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | For Manual Transmission; For Automatic Transmission; For Vehicles with Production Date After 08/19/19 |
| 2021 | Audi | A5 | Hatchback | 2.0L l4 Turbo | For Manual Transmission; For Automatic Transmission; For Vehicles with Production Date After 08/19/19 |
| 2019 | Audi | A5 | Hatchback | 2.0L l4 Turbo | For Manual Transmission; For Automatic Transmission; For Vehicles with Production Date After 08/19/19 |
| 2020 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | For Manual Transmission; For Automatic Transmission; For Vehicles with Production Date After 08/19/19 |
| 2023 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | For Manual Transmission; For Automatic Transmission; For Vehicles with Production Date After 08/19/19 |
| 2018 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Automatic Transmission |
| 2018 | Audi | A4 | Sedan | 2.0L l4 Turbo | For Automatic Transmission |
| 2018 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | For Automatic Transmission |
| 2018 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | For Automatic Transmission |
| 2018 | Audi | A5 | Hatchback | 2.0L l4 Turbo | For Automatic Transmission |
| 2019 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Automatic Transmission; For Vehicles with Production Date After 07/08/19 |
| 2017 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Automatic Transmission |
| 2017 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | For Automatic Transmission |
| 2017 | Audi | A4 | Sedan | 2.0L l4 Turbo | For Automatic Transmission |
| 2017 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | For Automatic Transmission |
| 2019 | Audi | A4 | Sedan | 2.0L l4 Turbo | For Automatic Transmission; For Vehicles with Production Date After 07/08/19 |
| 2021 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | #3, 2021-25 FRONT UPPER |
| 2020 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | 2017-20 |
| 2019 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | 2017-20 |
| 2018 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | 2017-20 |
| 2025 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | #3, 2021-25 FRONT UPPER |
| 2024 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | #3, 2021-25 FRONT UPPER |
| 2023 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | #3, 2021-25 FRONT UPPER |