2015-2018 Audi A8 Coolant Hose / Line (RETURN) 4H0122055B
OEM Part #: 4H0-122-055-B (4H0122055B)
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The exact part you’ll receive — not a stock photo.
$66.49
Used
Donor2017 Audi A8 · 3.0L
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Genuine OEM Used
SKU: 672384
Donor Vehicle: 2017 Audi A8 · 3.0L
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$66.49
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A used OEM Audi coolant hose / return line, part number 4H0122055B, from a donor vehicle. This genuine Audi hose is the return line for the cooling system on 3.0L supercharged V6 engines (EA837). A failing return hose can cause coolant leaks, low coolant level warnings, and engine overheating. Inspect for cracks or soft spots at the connection points.
Specifications
| Fits Vehicle Model | A8 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4H0-122-055-B (4H0122055B) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 5 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 5 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2015 | Audi | A8 | Quattro Sedan | 3.0L V6 Supercharged | |
| 2015 | Audi | A8 | Quattro L Sedan | 3.0L V6 Supercharged | |
| 2017 | Audi | A8 | Quattro L Sedan | 3.0L V6 Supercharged | |
| 2018 | Audi | A8 | Quattro L Sedan | 3.0L V6 Supercharged | |
| 2016 | Audi | A8 | Quattro L Sedan | 3.0L V6 Supercharged |