Audi A4/A6 Heater Coolant Hose / Line 06C121188A
OEM Part #: 06C-121-188-A (06C121188A)
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 Hose
$11.49
Fits 2005–2015 Audi & Volkswagen
OEM: 06E121058D
Coolant / Water Hose
$8.49
Fits 2001–2004 Audi A6 / Allroad
OEM: 078121082L
Coolant / Water Pipe / Tube
$255.00
Fits 2001–2005 Audi A6 / Allroad
OEM: 078121071CF
Coolant / Water Tube / Pipe / Line
Starting at $48.99
Fits 1996–2005 Audi & Volkswagen
OEM: 078121075AB
Coolant Pipe / Tube / Line
$22.99
Fits 2005–2009 Audi A4
OEM: 06D121085C
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 | A4, A6 |
| Fits Vehicle Make | Audi |
| OEM Part No | 06C-121-188-A (06C121188A) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 14 vehicle configurations across 1 make, 2002-2005.
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 14 vehicle configurations — 5 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2002 | Audi | A6 | Sedan | 3.0L V6 | |
| 2002 | Audi | A6 | Quattro Wagon | 3.0L V6 | |
| 2002 | Audi | A6 | Quattro Sedan | 3.0L V6 | |
| 2003 | Audi | A4 | Convertible | 3.0L V6 | For Vehicles with Engine Code(s) AVK, BGN |
| 2003 | Audi | A6 | Sedan | 3.0L V6 | |
| 2003 | Audi | A6 | Quattro Wagon | 3.0L V6 | |
| 2003 | Audi | A6 | Quattro Sedan | 3.0L V6 | |
| 2004 | Audi | A4 | Convertible | 3.0L V6 | For Vehicles with Engine Code(s) AVK, BGN |
| 2004 | Audi | A4 | Quattro Convertible | 3.0L V6 | For Vehicles with Engine Code(s) AVK, BGN |
| 2004 | Audi | A6 | Sedan | 3.0L V6 | |
| 2004 | Audi | A6 | Quattro Wagon | 3.0L V6 | |
| 2004 | Audi | A6 | Quattro Sedan | 3.0L V6 | |
| 2005 | Audi | A4 | Convertible | 3.0L V6 | For Vehicles Where Last 6 Digits of VIN Number are Less Than 005600; For Vehicles with Engine Code(s) AVK, BGN |
| 2005 | Audi | A4 | Quattro Convertible | 3.0L V6 | For Vehicles Where Last 6 Digits of VIN Number are Less Than 005600; For Vehicles with Engine Code(s) AVK, BGN |