2005-2011 Audi A6 Heater Core Coolant Return Hose / Line 4F1819350B
OEM Part #: 4F1-819-350-B (4F1819350B)
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The exact part you’ll receive — not a stock photo.
$17.49
Used
Donor2009 Audi A6 · 3.0
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Genuine OEM Used
SKU: 248651
Donor Vehicle: 2009 Audi A6 · 3.0
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$17.49
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Used Audi Heater Core Coolant Return Hose / Line, OEM part number 4F1819350B, also superseding 4F0819373G, 4F0819373B, and 4F1819373B. This genuine hose carries coolant back from the heater core to the engine; when it cracks or fails, you may notice a coolant leak inside the cabin or under the dash. Designed for Audi A6 and A6 Quattro models equipped with naturally aspirated or supercharged 2.8L, 3.0L, and 3.2L V6 engines.
Specifications
| Fits Vehicle Model | A6 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4F1-819-350-B (4F1819350B) |
| Compatible OEM Part No | 4F0-819-373-G, 4F0-819-373-B, 4F1-819-373-B |
| Category | HVAC / Climate Control |
Compatible Vehicles
Fits 19 vehicle configurations across 1 make, 2005-2011.
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 19 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2009 | Audi | A6 | Sedan | 3.2L V6 | |
| 2011 | Audi | A6 | Sedan | 3.2L V6 | |
| 2010 | Audi | A6 | Sedan | 3.2L V6 | |
| 2007 | Audi | A6 | Quattro Sedan | 3.2L V6 | |
| 2007 | Audi | A6 | Quattro Wagon | 3.2L V6 | |
| 2008 | Audi | A6 | Quattro Wagon | 3.2L V6 | |
| 2008 | Audi | A6 | Quattro Sedan | 3.2L V6 | |
| 2006 | Audi | A6 | Sedan | 3.2L V6 | |
| 2007 | Audi | A6 | Sedan | 3.2L V6 | |
| 2006 | Audi | A6 | Quattro Sedan | 3.2L V6 | |
| 2008 | Audi | A6 | Sedan | 3.2L V6 | |
| 2005 | Audi | A6 | Quattro Sedan | 3.2L V6 | |
| 2006 | Audi | A6 | Quattro Wagon | 3.2L V6 | |
| 2009 | Audi | A6 | Quattro Wagon | 3.0L V6 Supercharged | |
| 2010 | Audi | A6 | Quattro Sedan | 3.0L V6 Supercharged | |
| 2009 | Audi | A6 | Quattro Sedan | 3.0L V6 Supercharged | |
| 2010 | Audi | A6 | Quattro Wagon | 3.0L V6 Supercharged | |
| 2011 | Audi | A6 | Quattro Sedan | 3.0L V6 Supercharged | |
| 2011 | Audi | A6 | Quattro Wagon | 3.0L V6 Supercharged |