2017-2024 Audi RS5/S4/S5 Heater Coolant Hose / Line Set 8W1819350M
OEM Part #: 8W1-819-350-M (8W1819350M)
Actual photo
The exact part you’ll receive — not a stock photo.
$23.99
Used
Donor2018 Audi S5 SPORTBACK · 3.0L · 59k miles
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Genuine OEM Used
SKU: 555986
Donor Vehicle: 2018 Audi S5 SPORTBACK · 3.0L · 59k miles
2 photos
$23.99
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Genuine OEM Used
SKU: 543079
Donor Vehicle: 2018 Audi S4 · 3.0L · 63k miles
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$23.99
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Genuine OEM Used
SKU: 699951
Donor Vehicle: 2019 Audi S5 · 3.0L
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$24.99
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Genuine OEM Used
SKU: 621907
Donor Vehicle: 2019 Audi S5 · 3.0L
2 photos
$29.49
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Genuine OEM Used
SKU: 656879
Donor Vehicle: 2018 Audi S5 SPORTBACK · 3.0L
2 photos
$30.49
30-Day Returns
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A used OEM Audi Heater Coolant Hose / Line Set, part number 8W1819350M. This genuine hose set routes engine coolant to the heater core for cabin temperature control. It fits Audi RS5, S4, and S5 models with 2.9L and 3.0L V6 engines, including turbocharged and supercharged variants. A common failure point is a cracked or leaking hose, which causes loss of cabin heat or coolant drips under the vehicle.
Specifications
| Fits Vehicle Model | RS5, S4, S5 |
| Fits Vehicle Make | Audi |
| OEM Part No | 8W1-819-350-M (8W1819350M) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 41 vehicle configurations across 1 make, 2017-2024.
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
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2023 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2022 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2024 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2024 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2024 | Audi | S5 | Coupe | 3.0L V6 Turbo | |
| 2024 | Audi | S5 | Hatchback | 3.0L V6 Turbo | |
| 2021 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2024 | Audi | RS5 | Hatchback | 2.9L V6 Turbo | |
| 2024 | Audi | RS5 | Coupe | 2.9L V6 Turbo | |
| 2020 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2023 | Audi | S5 | Coupe | 3.0L V6 Turbo | |
| 2023 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2022 | Audi | RS5 | Coupe | 2.9L V6 Turbo | |
| 2020 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2022 | Audi | RS5 | Hatchback | 2.9L V6 Turbo | |
| 2021 | Audi | RS5 | Hatchback | 2.9L V6 Turbo | |
| 2022 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2021 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2019 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2023 | Audi | RS5 | Coupe | 2.9L V6 Turbo | |
| 2019 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2019 | Audi | S5 | Coupe | 3.0L V6 Turbo | |
| 2021 | Audi | S5 | Coupe | 3.0L V6 Turbo | |
| 2020 | Audi | S5 | Coupe | 3.0L V6 Turbo | |
| 2023 | Audi | RS5 | Hatchback | 2.9L V6 Turbo | |
| 2022 | Audi | S5 | Coupe | 3.0L V6 Turbo | |
| 2018 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2018 | Audi | S5 | Coupe | 3.0L V6 Turbo | |
| 2018 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2019 | Audi | RS5 | Coupe | 2.9L V6 Turbo | |
| 2019 | Audi | RS5 | Hatchback | 2.9L V6 Turbo | |
| 2018 | Audi | RS5 | Coupe | 2.9L V6 Turbo | |
| 2017 | Audi | S5 | Coupe | 3.0L V6 Supercharged | |
| 2017 | Audi | S5 | Convertible | 3.0L V6 Supercharged | |
| 2021 | Audi | RS5 | Coupe | 2.9L V6 Turbo | |
| 2023 | Audi | S5 | Hatchback | 3.0L V6 Turbo | |
| 2022 | Audi | S5 | Hatchback | 3.0L V6 Turbo | |
| 2021 | Audi | S5 | Hatchback | 3.0L V6 Turbo | |
| 2019 | Audi | S5 | Hatchback | 3.0L V6 Turbo | |
| 2020 | Audi | S5 | Hatchback | 3.0L V6 Turbo | |
| 2018 | Audi | S5 | Hatchback | 3.0L V6 Turbo |