2015-2018 Audi Transmission Oil Cooler Line / Pipe (SUPPLY) 4H0317818S
OEM Part #: 4H0-317-818-S (4H0317818S)
Actual photo
The exact part you’ll receive — not a stock photo.
$21.49
Used
Donor2017 Audi A8 · 4.0L
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Genuine OEM Used
SKU: 612304
Donor Vehicle: 2017 Audi A8 · 4.0L
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$21.49
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Genuine OEM Used
SKU: 672371
Donor Vehicle: 2017 Audi A8 · 3.0L
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$23.49
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Genuine OEM Used
SKU: 639034
Donor Vehicle: 2017 Audi A8 · 4.0L
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$25.49
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A used OEM Audi Transmission Oil Cooler Line / Pipe (supply), part number 4H0317818S, removed from a donor vehicle. This supply line routes transmission fluid to the cooler; a compromised line can cause fluid leaks, low pressure, and transmission overheating or slipping. It fits various engine configurations in the Audi A8 and S8, including the 3.0L diesel, 3.0L supercharged gasoline, 4.0L turbo, and 6.3L W12.
Specifications
| Fits Vehicle Model | A8, S8 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4H0-317-818-S (4H0317818S) |
| Category | Transmission |
Compatible Vehicles
Fits 18 vehicle configurations across 1 make, 2015-2018.
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 18 vehicle configurations — 18 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2016 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Automatic Transmission; For Vehicles with Production Date After 03/16/15; For Vehicles with Transmission Code(s) NWK, NWM, PTS, RHV, SHG, SHH |
| 2016 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Automatic Transmission; For Vehicles with Production Date After 03/16/15; For Vehicles with Transmission Code(s) NWK, NWM, PTS, RHV, SHG, SHH |
| 2016 | Audi | A8 | Quattro L Sedan | 6.3L W12 | For Automatic Transmission; For Vehicles with Production Date After 03/16/15; For Vehicles with Transmission Code(s) NWL, NWN, SHE, SHF |
| 2016 | Audi | A8 | Quattro L Sedan | 3.0L V6 Diesel Turbo | For Automatic Transmission; For Vehicles with Production Date After 03/16/15; For Vehicles with Transmission Code(s) NWJ, NWZ, SHJ |
| 2016 | Audi | A8 | Quattro L Sedan | 3.0L V6 Supercharged | For Automatic Transmission; For Vehicles with Production Date After 03/16/15; For Vehicles with Transmission Code(s) NWJ, NWZ, SHJ |
| 2015 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Automatic Transmission; For Vehicles with Production Date After 03/16/15; For Vehicles with Transmission Code(s) NWK, NWM, PTS, RHV, SHG, SHH |
| 2015 | Audi | A8 | Quattro L Sedan | 3.0L V6 Supercharged | For Automatic Transmission; For Vehicles with Production Date After 03/16/15; For Vehicles with Transmission Code(s) NWJ, NWZ, SHJ |
| 2015 | Audi | A8 | Quattro L Sedan | 6.3L W12 | For Automatic Transmission; For Vehicles with Production Date After 03/16/15; For Vehicles with Transmission Code(s) NWL, NWN, SHE, SHF |
| 2015 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Automatic Transmission; For Vehicles with Production Date After 03/16/15; For Vehicles with Transmission Code(s) NWK, NWM, PTS, RHV, SHG, SHH |
| 2015 | Audi | A8 | Quattro Sedan | 3.0L V6 Supercharged | For Automatic Transmission; For Vehicles with Production Date After 03/16/15; For Vehicles with Transmission Code(s) NWJ, NWZ, SHJ |
| 2015 | Audi | A8 | Quattro L Sedan | 3.0L V6 Diesel Turbo | For Automatic Transmission; For Vehicles with Production Date After 03/16/15; For Vehicles with Transmission Code(s) NWJ, NWZ, SHJ |
| 2015 | Audi | A8 | Quattro Sedan | 4.0L V8 Turbo | For Automatic Transmission; For Vehicles with Production Date After 03/16/15; For Vehicles with Transmission Code(s) NWK, NWM, PTS, RHV, SHG, SHH |
| 2017 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Automatic Transmission; For Vehicles with Production Date After 03/16/15; For Vehicles with Transmission Code(s) NWK, NWM, PTS, RHV, SHG, SHH |
| 2018 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Automatic Transmission; For Vehicles with Production Date After 03/16/15; For Vehicles with Transmission Code(s) NWK, NWM, PTS, RHV, SHG, SHH |
| 2018 | Audi | A8 | Quattro L Sedan | 3.0L V6 Supercharged | For Automatic Transmission; For Vehicles with Production Date After 03/16/15; For Vehicles with Transmission Code(s) NWJ, NWZ, SHJ |
| 2018 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Automatic Transmission; For Vehicles with Production Date After 03/16/15; For Vehicles with Transmission Code(s) NWK, NWM, PTS, RHV, SHG, SHH |
| 2017 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Automatic Transmission; For Vehicles with Production Date After 03/16/15; For Vehicles with Transmission Code(s) NWK, NWM, PTS, RHV, SHG, SHH |
| 2017 | Audi | A8 | Quattro L Sedan | 3.0L V6 Supercharged | For Automatic Transmission; For Vehicles with Production Date After 03/16/15; For Vehicles with Transmission Code(s) NWJ, NWZ, SHJ |