2008-2010 Audi A8 Coolant Hose / Line 4E0121103AH
OEM Part #: 4E0-121-103-AH (4E0121103AH)
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
$5.99
Fits 2004–2010 Audi & Volkswagen
OEM: 079121086
Coolant / Water Hose
$6.68
Fits 2004–2010 Audi & Volkswagen
OEM: 079121102D
Coolant Expansion Tank Hose / Line
$14.49
Fits 2004–2010 Audi A8
OEM: 4E0121107L
Coolant Hose / Line / Tube
$85.49
Fits 2005–2009 Audi A8
OEM: 4E0121400J
Coolant Pipe / Tube / Line
$123.49
Fits 2005–2009 Audi A8
OEM: 4E0121481A
Coolant Pipe / Tube / Line
$85.49
Fits 2005–2009 Audi A8
OEM: 4E0121169A
- 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 | A8 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4E0-121-103-AH (4E0121103AH) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 6 vehicle configurations across 1 make, 2008-2010.
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 6 vehicle configurations — 6 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2008 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Vehicles with Production Date After 11/03/08 |
| 2008 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Production Date After 11/03/08 |
| 2009 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Vehicles with Production Date After 11/03/08 |
| 2009 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Production Date After 11/03/08 |
| 2010 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Vehicles with Production Date After 11/03/08 |
| 2010 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Production Date After 11/03/08 |