Audi A4, Volkswagen Passat Upper Radiator Hose / Line 8D0121101K
OEM Part #: 8D0-121-101-K (8D0121101K)
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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The genuine Audi upper radiator hose (OEM 8D0121101K) is a used OEM line sourced from a donor vehicle. Also known as the upper radiator line, this hose carries coolant between the engine and radiator. Common failure symptoms include cracking, swelling, or leaking, which can lead to engine overheating. This part fits applications with the 1.8L 1781cc turbocharged four-cylinder or 2.8L 2771cc V6 naturally aspirated engine. A leaking upper radiator hose should be replaced promptly to avoid coolant loss and potential engine damage.
Specifications
| Fits Vehicle Model | A4, Passat |
| Fits Vehicle Make | Audi, Volkswagen |
| OEM Part No | 8D0-121-101-K (8D0121101K) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 35 vehicle configurations across 2 makes, 1996-2005.
View all 35 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 1996 | Audi | A4 | Quattro Sedan | 2.8L V6 | |
| 1997 | Audi | A4 | Sedan | 1.8L l4 Turbo | |
| 1997 | Audi | A4 | Quattro Sedan | 1.8L l4 Turbo | |
| 1997 | Audi | A4 | Quattro Sedan | 2.8L V6 | |
| 1998 | Audi | A4 | Sedan | 1.8L l4 Turbo | |
| 1998 | Audi | A4 | Quattro Sedan | 1.8L l4 Turbo | |
| 1999 | Audi | A4 | Sedan | 1.8L l4 Turbo | |
| 1999 | Audi | A4 | Quattro Wagon | 1.8L l4 Turbo | |
| 1999 | Audi | A4 | Quattro Sedan | 1.8L l4 Turbo | |
| 2000 | Audi | A4 | Sedan | 1.8L l4 Turbo | |
| 2000 | Audi | A4 | Quattro Wagon | 1.8L l4 Turbo | |
| 2000 | Audi | A4 | Quattro Sedan | 1.8L l4 Turbo | |
| 2001 | Audi | A4 | Sedan | 1.8L l4 Turbo | |
| 2001 | Audi | A4 | Quattro Wagon | 1.8L l4 Turbo | |
| 2001 | Audi | A4 | Quattro Sedan | 1.8L l4 Turbo | |
| 1998 | Volkswagen | Passat | Sedan | 1.8L l4 Turbo | |
| 1998 | Volkswagen | Passat | Wagon | 1.8L l4 Turbo | |
| 1999 | Volkswagen | Passat | Sedan | 1.8L l4 Turbo | |
| 1999 | Volkswagen | Passat | Wagon | 1.8L l4 Turbo | |
| 2000 | Volkswagen | Passat | Sedan | 1.8L l4 Turbo | |
| 2000 | Volkswagen | Passat | Wagon | 1.8L l4 Turbo | |
| 2001 | Volkswagen | Passat | Sedan | 1.8L l4 Turbo | |
| 2001 | Volkswagen | Passat | Wagon | 1.8L l4 Turbo | |
| 2002 | Volkswagen | Passat | Sedan | 1.8L l4 Turbo | |
| 2002 | Volkswagen | Passat | Wagon | 1.8L l4 Turbo | |
| 2003 | Volkswagen | Passat | Sedan | 1.8L l4 Turbo | |
| 2003 | Volkswagen | Passat | Wagon | 1.8L l4 Turbo | |
| 2004 | Volkswagen | Passat | 4 Sedan | 1.8L l4 Turbo | |
| 2004 | Volkswagen | Passat | 4 Wagon | 1.8L l4 Turbo | |
| 2004 | Volkswagen | Passat | Sedan | 1.8L l4 Turbo | |
| 2004 | Volkswagen | Passat | Wagon | 1.8L l4 Turbo | |
| 2005 | Volkswagen | Passat | 4 Sedan | 1.8L l4 Turbo | |
| 2005 | Volkswagen | Passat | 4 Wagon | 1.8L l4 Turbo | |
| 2005 | Volkswagen | Passat | Sedan | 1.8L l4 Turbo | |
| 2005 | Volkswagen | Passat | Wagon | 1.8L l4 Turbo |