2013-2018 Audi A8/S8 Coolant Hose / Line 4H0121061B
OEM Part #: 4H0-121-061-B (4H0121061B)
Actual photo
The exact part you’ll receive — not a stock photo.
$13.71
Used
Donor2014 Audi A8 · 4.0L
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Genuine OEM Used
SKU: 540955
Donor Vehicle: 2014 Audi A8 · 4.0L
2 photos
$13.71
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Genuine OEM Used
SKU: 566688
Donor Vehicle: 2013 Audi A8 · 4.0L
2 photos
$13.71
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Genuine OEM Used
SKU: 544550
Donor Vehicle: 2014 Audi A8 · 4.0L
2 photos
$13.71
30-Day Returns
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This used genuine Audi coolant hose / line, OEM 4H0121061B, was removed from a donor vehicle. Also known as a coolant line, it carries engine coolant to and from the turbocharged 4.0L V8 in the Audi A8 Quattro and S8. A failing hose can leak coolant, causing overheating or low-coolant warnings.
Specifications
| Fits Vehicle Model | A8, S8 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4H0-121-061-B (4H0121061B) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 15 vehicle configurations across 1 make, 2013-2018.
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 15 vehicle configurations — 15 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2017 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CTGA, CTGF |
| 2016 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CTGA, CTGF |
| 2018 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CTGA, CTGF |
| 2018 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CTGA, CTGF |
| 2017 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CTGA, CTGF |
| 2015 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CTGA, CTGF |
| 2016 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CTGA, CTGF |
| 2015 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CTGA, CTGF |
| 2015 | Audi | A8 | Quattro Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CTGA, CTGF |
| 2013 | Audi | A8 | Quattro Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CEUA |
| 2014 | Audi | A8 | Quattro Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CEUA |
| 2013 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CEUA |
| 2014 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CEUA |
| 2014 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CEUA |
| 2013 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CEUA |