2020-2026 Audi Transmission Oil Cooler Line / Pipe (SUPPLY) 4N0317818AF
OEM Part #: 4N0-317-818-AF (4N0317818AF)
Actual photo
The exact part you’ll receive — not a stock photo.
$69.99
Used
Donor2021 Audi SQ8 · 4.0L · 47k miles
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Genuine OEM Used
SKU: 701452
Donor Vehicle: 2021 Audi SQ8 · 4.0L · 47k miles
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$69.99
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A used OEM Audi transmission oil cooler line / pipe (supply), part number 4N0317818AF, also superseding 4N0317818H. This genuine supply line routes transmission fluid to the cooler on the 4.0L turbo V8 mild hybrid (MHEV) found in models like the RS6 and S8. A failing line can leak fluid, leading to transmission overheating and slipping.
Specifications
| Fits Vehicle Model | A8, RS Q8, RS6, RS7, S8, SQ7, SQ8 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4N0-317-818-AF (4N0317818AF) |
| Compatible OEM Part No | 4N0-317-818-H |
| Category | Transmission |
Compatible Vehicles
Fits 37 vehicle configurations across 1 make, 2020-2026.
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 37 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2021 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | |
| 2021 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2023 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2021 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2020 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2020 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2021 | Audi | RS6 | Wagon Wagon | 4.0L V8 Turbo | |
| 2025 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2024 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2025 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2025 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2025 | Audi | RS6 | Wagon Wagon | 4.0L V8 Turbo | |
| 2025 | Audi | RS6 | Wagon GT Wagon | 4.0L V8 Turbo | |
| 2025 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | |
| 2023 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2024 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2024 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | |
| 2024 | Audi | RS6 | Wagon Wagon | 4.0L V8 Turbo | |
| 2026 | Audi | RS6 | Wagon Wagon | 4.0L V8 Turbo | |
| 2023 | Audi | RS6 | Wagon Wagon | 4.0L V8 Turbo | |
| 2023 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | |
| 2022 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | |
| 2022 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2022 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2022 | Audi | RS6 | Wagon Wagon | 4.0L V8 Turbo | |
| 2021 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2022 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2023 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2024 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2022 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2024 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2020 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2023 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2020 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2020 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | |
| 2021 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2021 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo |