Audi A6/A7/A8 Coolant Hose / Line 4H0121447AC
OEM Part #: 4H0-121-447-AC (4H0121447AC)
This page covers one exact OEM part number. Every unit we stocked has sold.
We may be able to get another
Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:
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- Genuine OEM — real photos
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Replace your worn or damaged coolant hose with this genuine Audi OEM Engine Coolant Hose (Part Number: 4H0121447AC). Specifically designed for precise fitment, this hose connects to the solenoid valve, providing essential coolant supply for optimal engine performance. This part is compatible with various Audi models, including the A6 Quattro, A7 Quattro, and A8 Quattro from the years 2014 to 2016, equipped with a 3.0L diesel engine. The factory-original construction ensures reliability and durability, addressing common issues such as leaks or blockages. Other part numbers include 4G0145926C, 4H1898037, and 4G0122109AF, making this an efficient solution to restore functionality to your vehicle's cooling system.
Specifications
| Fits Vehicle Model | A6, A7, A8 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4H0-121-447-AC (4H0121447AC) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 8 vehicle configurations across 1 make, 2014-2016.
View all 8 vehicle configurations — 2 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2014 | Audi | A6 | Quattro Sedan | 3.0L V6 Diesel Turbo | For Vehicles with Engine Code(s) CPNB |
| 2014 | Audi | A7 | Quattro Hatchback | 3.0L V6 Diesel Turbo | |
| 2014 | Audi | A8 | Quattro L Sedan | 3.0L V6 Diesel Turbo | |
| 2015 | Audi | A6 | Quattro Sedan | 3.0L V6 Diesel Turbo | For Vehicles with Engine Code(s) CPNB |
| 2015 | Audi | A8 | Quattro L Sedan | 3.0L V6 Diesel Turbo | |
| 2016 | Audi | A6 | Quattro Sedan | 3.0L V6 Diesel Turbo | |
| 2016 | Audi | A7 | Quattro Hatchback | 3.0L V6 Diesel Turbo | |
| 2016 | Audi | A8 | Quattro L Sedan | 3.0L V6 Diesel Turbo |