2009 Audi A4 Lower Radiator Coolant Hose / Line 8K0121109AA
OEM Part #: 8K0-121-109-AA (8K0121109AA)
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 Radiator Coolant Hose that may fit your vehicle
Lower Radiator Coolant Hose
Starting at $38.99
Fits 2009–2017 Audi A4 / A5 / allroad
OEM: 8K0121049M
Lower Radiator Coolant Hose / Line
$37.99
Fits 2009–2017 Audi A4 / A5 / allroad
OEM: 8K0121049AJ
Radiator / Coolant Reservoir Hose / Line
Starting at $67.99
Fits 2009–2016 Audi A4 / A5 / allroad
OEM: 8K0121081AB
Upper Radiator Coolant Hose / Line
$39.99
Fits 2008–2017 Audi
OEM: 8K0121101J
Upper Radiator Coolant Hose / Line
$27.99
Fits 2009–2017 Audi A4 / A5 / allroad
OEM: 8K0121101AD
- Genuine OEM — real photos
- 30-day returns on eligible parts
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- Ships from our own indoor warehouse
Specifications
| Fits Vehicle Model | A4 |
| Fits Vehicle Make | Audi |
| OEM Part No | 8K0-121-109-AA (8K0121109AA) |
| Compatible OEM Part No | 8K0-121-109-K, 8K0-121-109-R, 8K0-121-109-P |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 1 vehicle configuration across 1 make, 2009.
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 1 vehicle configuration
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2009 | Audi | A4 | Quattro Sedan | 3.2L V6 |