2013-2018 Audi A8 Auxiliary Radiator Coolant Hose / Line 4H0121058E
OEM Part #: 4H0-121-058-E (4H0121058E)
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The exact part you’ll receive — not a stock photo.
$13.71
Used
Donor2017 Audi A8 · 3.0L
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Genuine OEM Used
SKU: 672386
Donor Vehicle: 2017 Audi A8 · 3.0L
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$13.71
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This used OEM Audi auxiliary radiator coolant hose / line, part number 4H0121058E, is a genuine replacement for the coolant circuit. It connects the auxiliary radiator to the engine's cooling system on supercharged 3.0L V6 engines (EA837). A cracked or leaking hose can cause coolant loss and engine overheating.
Specifications
| Fits Vehicle Model | A8 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4H0-121-058-E (4H0121058E) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 9 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 9 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2018 | Audi | A8 | Quattro L Sedan | 3.0L V6 Supercharged | |
| 2017 | Audi | A8 | Quattro L Sedan | 3.0L V6 Supercharged | |
| 2016 | Audi | A8 | Quattro L Sedan | 3.0L V6 Supercharged | |
| 2015 | Audi | A8 | Quattro L Sedan | 3.0L V6 Supercharged | |
| 2015 | Audi | A8 | Quattro Sedan | 3.0L V6 Supercharged | |
| 2014 | Audi | A8 | Quattro Sedan | 3.0L V6 Supercharged | |
| 2014 | Audi | A8 | Quattro L Sedan | 3.0L V6 Supercharged | |
| 2013 | Audi | A8 | Quattro Sedan | 3.0L V6 Supercharged | |
| 2013 | Audi | A8 | Quattro L Sedan | 3.0L V6 Supercharged |