2019-2025 Audi / Porsche Transmission Oil Cooler Line / Pipe (SUPPLY) 4N0317818H

OEM Part #: 4N0-317-818-H (4N0317818H)

Porsche Part #: PAB31781810

$69.99
Used
Donor2019 Porsche CAYENNE · 4.0L · 75k miles
SKU: 697715 · 30-Day Returns
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Transmission Oil Cooler Line / Pipe (SUPPLY) 4N0317818H — Used (SKU 697715)
Genuine OEM Used SKU: 697715 Donor Vehicle: 2019 Porsche CAYENNE · 4.0L · 75k miles 2 photos
$69.99
30-Day Returns
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A used genuine OEM Transmission Oil Cooler Line / Pipe (supply) from a donor vehicle, OEM number 4N0317818H (also Porsche number PAB31781810). This supply line routes transmission fluid to the cooler on V8 applications including EA825 4.0L turbo and hybrid variants. When the pipe cracks or corrodes, fluid leaks cause low pressure, harsh shifts, or transmission overheating.

Specifications

Specifications for Transmission Oil Cooler Line / Pipe (SUPPLY) 4N0317818H
Fits Vehicle ModelA8, Cayenne, RS Q8, RS6, RS7, S8, SQ7, SQ8
Fits Vehicle MakeAudi, Porsche
OEM Part No4N0-317-818-H (4N0317818H)
Porsche Part NoPAB31781810
CategoryTransmission

Compatible Vehicles

Fits 49 vehicle configurations across 2 makes, 2019-2025.

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.

Audi

  • A8 2019-2021 · 3 variants 3 with notes
  • RS Q8 2020-2025 · 6 variants 6 with notes
  • RS6 2021-2025 · 6 variants 6 with notes
  • RS7 2021-2025 · 5 variants 5 with notes
  • S8 2020-2025 · 6 variants 6 with notes
  • SQ7 2020-2025 · 6 variants 6 with notes
  • SQ8 2020-2025 · 6 variants 6 with notes

Porsche

  • Cayenne 2019-2021 · 11 variants 11 with notes
View all 49 vehicle configurations — 49 with fitment notes
Full vehicle fitment list for Transmission Oil Cooler Line / Pipe (SUPPLY) 4N0317818H
Year Make Model Trim Engine Note
2025 Audi RS Q8 SUV 4.0L V8 Turbo Outlet
2023 Audi SQ7 SUV 4.0L V8 Turbo Outlet
2023 Audi RS6 Wagon Wagon 4.0L V8 Turbo Outlet
2023 Audi RS Q8 SUV 4.0L V8 Turbo Outlet
2023 Audi RS7 Hatchback 4.0L V8 Turbo Outlet
2023 Audi S8 Sedan 4.0L V8 Turbo Outlet
2023 Audi SQ8 SUV 4.0L V8 Turbo Outlet
2022 Audi SQ7 SUV 4.0L V8 Turbo Outlet
2025 Audi SQ8 SUV 4.0L V8 Turbo Outlet
2025 Audi S8 Sedan 4.0L V8 Turbo Outlet
2025 Audi SQ7 SUV 4.0L V8 Turbo Outlet
2025 Audi RS7 Hatchback 4.0L V8 Turbo Outlet
2024 Audi RS Q8 SUV 4.0L V8 Turbo Outlet
2024 Audi SQ8 SUV 4.0L V8 Turbo Outlet
2020 Audi SQ8 SUV 4.0L V8 Turbo Outlet
2020 Audi SQ7 SUV 4.0L V8 Turbo Outlet
2021 Audi RS6 Wagon Wagon 4.0L V8 Turbo Outlet
2024 Audi S8 Sedan 4.0L V8 Turbo Outlet
2024 Audi RS7 Hatchback 4.0L V8 Turbo Outlet
2021 Audi SQ8 SUV 4.0L V8 Turbo Outlet
2022 Audi S8 Sedan 4.0L V8 Turbo Outlet
2022 Audi RS7 Hatchback 4.0L V8 Turbo Outlet
2022 Audi SQ8 SUV 4.0L V8 Turbo Outlet
2022 Audi RS Q8 SUV 4.0L V8 Turbo Outlet
2022 Audi RS6 Wagon Wagon 4.0L V8 Turbo Outlet
2021 Audi RS7 Hatchback 4.0L V8 Turbo Outlet
2024 Audi SQ7 SUV 4.0L V8 Turbo Outlet
2021 Audi SQ7 SUV 4.0L V8 Turbo Outlet
2025 Audi RS6 Wagon Wagon 4.0L V8 Turbo Outlet
2025 Audi RS6 Wagon GT Wagon 4.0L V8 Turbo Outlet
2024 Audi RS6 Wagon Wagon 4.0L V8 Turbo Outlet
2021 Audi RS Q8 SUV 4.0L V8 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
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 RS Q8 SUV 4.0L V8 Turbo For Automatic Transmission; For Vehicles With Production date Up To 03/02/20
2019 Audi A8 Quattro L Sedan 4.0L V8 Turbo For Automatic Transmission; For Vehicles With Production date Up To 02/24/20
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 Porsche Cayenne Turbo SUV 4.0L V8 Turbo For Automatic Transmission; For Vehicles With Production date Up To 03/01/20
2021 Porsche Cayenne Turbo S Coupe SUV 4.0L V8 Turbo For Automatic Transmission; For Vehicles With Production date Up To 03/01/20
2021 Porsche Cayenne GTS SUV 4.0L V8 Turbo For Automatic Transmission; For Vehicles With Production date Up To 03/01/20
2021 Porsche Cayenne Turbo Coupe SUV 4.0L V8 Turbo For Automatic Transmission; For Vehicles With Production date Up To 03/01/20
2021 Porsche Cayenne Turbo S SUV 4.0L V8 Turbo For Automatic Transmission; For Vehicles With Production date Up To 03/01/20
2021 Porsche Cayenne GTS Coupe SUV 4.0L V8 Turbo For Automatic Transmission; For Vehicles With Production date Up To 03/01/20
2020 Porsche Cayenne Turbo S Coupe SUV 4.0L V8 Turbo For Automatic Transmission; For Vehicles With Production date Up To 03/01/20
2020 Porsche Cayenne Turbo S SUV 4.0L V8 Turbo For Automatic Transmission; For Vehicles With Production date Up To 03/01/20
2020 Porsche Cayenne Turbo Coupe SUV 4.0L V8 Turbo For Automatic Transmission; For Vehicles With Production date Up To 03/01/20
2020 Porsche Cayenne Turbo SUV 4.0L V8 Turbo For Automatic Transmission; For Vehicles With Production date Up To 03/01/20
2019 Porsche Cayenne Turbo SUV 4.0L V8 Turbo For Automatic Transmission; For Vehicles With Production date Up To 03/01/20

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