Audi S4/S5 Lower Radiator Coolant Hose / Line Left 8K0121109T
OEM Part #: 8K0-121-109-T (8K0121109T)
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
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Ensure your Audi performs optimally with this Lower Radiator Coolant Hose (OEM Part Number 8K0121109T). Designed specifically for 2010-2012 Audi S4 and S5 models featuring the 3.0L V6 gas engine, this authentic factory part is essential for maintaining proper coolant flow and engine temperature control. Installed on the left side, it effectively replaces worn or damaged hoses that can lead to coolant leaks, overheating, and engine failures. Alternative names include Water Hose. Compatible part numbers include 8K0145804H and 8K0121109AB. Restore factory functionality and reliability with this genuine part sourced from salvage vehicles.
Specifications
| Fits Vehicle Model | S4, S5 |
| Fits Vehicle Make | Audi |
| OEM Part No | 8K0-121-109-T (8K0121109T) |
| Side | Left |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 6 vehicle configurations across 1 make, 2010-2012.
View all 6 vehicle configurations — 3 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2010 | Audi | S4 | Sedan | 3.0L V6 Supercharged | |
| 2010 | Audi | S5 | Convertible | 3.0L V6 Supercharged | For Vehicles with Engine Code(s) CAKA, CCBA |
| 2011 | Audi | S4 | Sedan | 3.0L V6 Supercharged | |
| 2011 | Audi | S5 | Convertible | 3.0L V6 Supercharged | For Vehicles with Engine Code(s) CAKA, CCBA |
| 2012 | Audi | S4 | Sedan | 3.0L V6 Supercharged | |
| 2012 | Audi | S5 | Convertible | 3.0L V6 Supercharged | For Vehicles with Engine Code(s) CAKA, CCBA |