1998-2001 Audi A6 Upper Radiator Coolant Hose / Line 4B0121101D
OEM Part #: 4B0-121-101-D (4B0121101D)
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:
Other Coolant Hose / Pipe / Line that may fit your vehicle
Coolant / Water Tube / Pipe / Line
Starting at $48.99
Fits 1996–2005 Audi & Volkswagen
OEM: 078121075AB
Coolant Hose / Line
$16.99
Fits 1998–2005 Audi & Volkswagen
OEM: 078121096L
Coolant Hose / Line
$19.99
Fits 1998–2005 Audi & Volkswagen
OEM: 078121188A
Coolant Hose / Line
$16.99
Fits 1998–2005 Audi & Volkswagen
OEM: 078121188B
Coolant Pipe / Tube / Line
$99.99
Fits 1996–2005 Audi & Volkswagen
OEM: 078121070CG
Coolant Pipe / Tube / Line
$13.49
Fits 2000–2005 Audi A6 / Allroad / S4
OEM: 078121065J
- Genuine OEM — real photos
- 30-day returns on eligible parts
- eBay Top Rated · 100,000+ positive ratings
- Ships from our own indoor warehouse
Specifications
| Fits Vehicle Model | A6 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4B0-121-101-D (4B0121101D) |
| Compatible OEM Part No | 4B0-121-101-N |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 11 vehicle configurations across 1 make, 1998-2001.
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 11 vehicle configurations — 2 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 1998 | Audi | A6 | Sedan | 2.8L V6 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 035001 |
| 1998 | Audi | A6 | Quattro Sedan | 2.8L V6 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 035001 |
| 1999 | Audi | A6 | Sedan | 2.8L V6 | |
| 1999 | Audi | A6 | Quattro Wagon | 2.8L V6 | |
| 1999 | Audi | A6 | Quattro Sedan | 2.8L V6 | |
| 2000 | Audi | A6 | Sedan | 2.8L V6 | |
| 2000 | Audi | A6 | Quattro Wagon | 2.8L V6 | |
| 2000 | Audi | A6 | Quattro Sedan | 2.8L V6 | |
| 2001 | Audi | A6 | Sedan | 2.8L V6 | |
| 2001 | Audi | A6 | Quattro Wagon | 2.8L V6 | |
| 2001 | Audi | A6 | Quattro Sedan | 2.8L V6 |