2002-2006 Audi A4 Oil Cooler Line / Coolant Hose 06B121058BD
OEM Part #: 06B-121-058-BD (06B121058BD)
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 Pipe / Tube / Line
$22.99
Fits 2005–2009 Audi A4
OEM: 06D121085C
Engine Coolant Pipe / Tube / Line
$12.13
Fits 2002–2006 Audi A4 / A6
OEM: 06C121075F
Engine Cylinder Head Coolant Pipe / Tube
$99.99
Fits 2005–2011 Audi A4 / A6
OEM: 06E121045E
Engine Oil Cooler / Coolant Hose
$9.99
Fits 2005–2018 Audi, Porsche + more
OEM: 4G0122096
Engine Oil Cooler / Coolant Hose
Starting at $6.68
Fits 2005–2018 Audi, Porsche + more
OEM: 06E121058E
Porsche: 95810645900
- Genuine OEM — real photos
- 30-day returns on eligible parts
- eBay Top Rated · 100,000+ positive ratings
- Ships from our own indoor warehouse
Links the engine oil cooler to the hard coolant pipe.
Specifications
| Fits Vehicle Model | A4 |
| Fits Vehicle Make | Audi |
| OEM Part No | 06B-121-058-BD (06B121058BD) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 16 vehicle configurations across 1 make, 2002-2006.
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 16 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2002 | Audi | A4 | Sedan | 1.8L l4 Turbo | |
| 2002 | Audi | A4 | Quattro Wagon | 1.8L l4 Turbo | |
| 2002 | Audi | A4 | Quattro Sedan | 1.8L l4 Turbo | |
| 2003 | Audi | A4 | Sedan | 1.8L l4 Turbo | |
| 2003 | Audi | A4 | Convertible | 1.8L l4 Turbo | |
| 2003 | Audi | A4 | Quattro Wagon | 1.8L l4 Turbo | |
| 2003 | Audi | A4 | Quattro Sedan | 1.8L l4 Turbo | |
| 2004 | Audi | A4 | Sedan | 1.8L l4 Turbo | |
| 2004 | Audi | A4 | Convertible | 1.8L l4 Turbo | |
| 2004 | Audi | A4 | Quattro Wagon | 1.8L l4 Turbo | |
| 2004 | Audi | A4 | Quattro Sedan | 1.8L l4 Turbo | |
| 2005 | Audi | A4 | Sedan | 1.8L l4 Turbo | |
| 2005 | Audi | A4 | Convertible | 1.8L l4 Turbo | |
| 2005 | Audi | A4 | Quattro Wagon | 1.8L l4 Turbo | |
| 2005 | Audi | A4 | Quattro Sedan | 1.8L l4 Turbo | |
| 2006 | Audi | A4 | Convertible | 1.8L l4 Turbo |