Audi A5/S4/S5 Coolant Hose / Line 8K0819374D
OEM Part #: 8K0-819-374-D (8K0819374D)
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:
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Restore your Audi's cooling system with this factory-original HVAC Heater Hose, OEM part number 8K0819374D. This coolant line, also referred to as a By-Pass Hose, is designed to ensure efficient coolant flow to the auxiliary heater. It's compatible with a range of Audi models including the 2010-2012 S4 (3.0L V6) and S5 Cabriolet (3.0L V6), as well as the 2008-2012 A5 Quattro (3.2L V6). Replacing a worn or damaged coolant hose is essential for optimal engine temperature management, preventing overheating and potential engine damage. This genuine part guarantees a seamless fit and reliable performance, sourced directly from salvage vehicles to ensure authenticity and peace of mind. Alternate part numbers include 8K0819374C, and it also pairs well with 8K0145921F, N90687001, and others.
Specifications
| Fits Vehicle Model | A5, S4, S5 |
| Fits Vehicle Make | Audi |
| OEM Part No | 8K0-819-374-D (8K0819374D) |
| Compatible OEM Part No | 8K0-819-374-C |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 7 vehicle configurations across 1 make, 2008-2012.
View all 7 vehicle configurations — 1 with fitment note
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2008 | Audi | A5 | Quattro Coupe | 3.2L V6 | For Vehicles Where Last 6 Digits of VIN Number are Less Than 028000 |
| 2010 | Audi | S4 | Sedan | 3.0L V6 Supercharged | |
| 2010 | Audi | S5 | Convertible | 3.0L V6 Supercharged | |
| 2011 | Audi | S4 | Sedan | 3.0L V6 Supercharged | |
| 2011 | Audi | S5 | Convertible | 3.0L V6 Supercharged | |
| 2012 | Audi | S4 | Sedan | 3.0L V6 Supercharged | |
| 2012 | Audi | S5 | Convertible | 3.0L V6 Supercharged |