Audi / Porsche Transmission Oil Cooler Pipe / Line (SUPPLY) 4N0317818L
OEM Part #: 4N0-317-818-L (4N0317818L)
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 Transmission Cooler Line / Pipe that may fit your vehicle
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Transmission Oil Cooler Line / Pipe (SUPPLY)
Transmission Oil Cooler Line / Pipe (SUPPLY)
Transmission Oil Cooler Pipe / Line (RETURN)
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The Transmission Oil Cooler Pipe / Line (Supply), OEM part number 4N0317818L, is an essential component for maintaining optimal transmission temperatures within Audi Q8 (2019-2022) and A8 Quattro models (2019-2021). Located between the transmission and the oil cooler, it efficiently carries transmission fluid, helping to prevent overheating during operation. Common signs of wear or damage include leaks or insufficient fluid flow, which can lead to transmission failure. Also referred to as the oil inlet tube, this pipe is crucial for performance, especially in high-load situations. It is compatible with select 3.0L V6 and 4.0L V8 engine configurations. Ensure reliable operation and restore your vehicle’s functionality with this factory-original part from a salvage operation.
Specifications
| Fits Vehicle Model | A8, Cayenne, Q7, Q8, S8 |
| Fits Vehicle Make | Audi, Porsche |
| OEM Part No | 4N0-317-818-L (4N0317818L) |
| Category | Transmission |
Compatible Vehicles
Fits 21 vehicle configurations across 2 makes, 2017-2024.
View all 21 vehicle configurations — 21 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2017 | Audi | Q7 | SUV | 3.0L V6 Supercharged | For Automatic Transmission |
| 2018 | Audi | Q7 | SUV | 3.0L V6 Supercharged | For Automatic Transmission |
| 2019 | Audi | Q7 | SUV | 3.0L V6 Supercharged | For Automatic Transmission |
| 2019 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 03/01/20 |
| 2020 | Porsche | Cayenne | S Coupe SUV | 2.9L V6 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 03/01/20 |
| 2020 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 03/01/20 |
| 2021 | Porsche | Cayenne | S Coupe SUV | 2.9L V6 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 03/01/20 |
| 2021 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 03/01/20 |
| 2019 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 02/24/20 |
| 2019 | Audi | Q8 | SUV | 3.0L V6 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 03/02/20 |
| 2020 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 02/24/20 |
| 2020 | Audi | Q7 | SUV | 3.0L V6 Turbo | For Automatic Transmission |
| 2020 | Audi | Q8 | SUV | 3.0L V6 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 03/02/20 |
| 2020 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 02/24/20 |
| 2021 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 02/24/20 |
| 2021 | Audi | Q7 | SUV | 3.0L V6 Turbo | For Automatic Transmission |
| 2021 | Audi | Q8 | SUV | 3.0L V6 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 03/02/20 |
| 2021 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 02/24/20 |
| 2022 | Audi | Q7 | SUV | 3.0L V6 Turbo | For Automatic Transmission; For Vehicles with Production Date After 05/29/17 |
| 2023 | Audi | Q7 | SUV | 3.0L V6 Turbo | For Automatic Transmission; For Vehicles with Production Date After 05/29/17 |
| 2024 | Audi | Q7 | SUV | 3.0L V6 Turbo | For Automatic Transmission; For Vehicles with Production Date After 05/29/17 |