2008-2015 Audi R8 HVAC Heater Coolant Hose / Line 420819374
OEM Part #: 420-819-374 (420819374)
Actual photo
The exact part you’ll receive — not a stock photo.
$27.99
Used
Donor2012 Audi R8 · 4.2L · 41k miles
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Genuine OEM Used
SKU: 570996
Donor Vehicle: 2012 Audi R8 · 4.2L · 41k miles
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$27.99
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The Audi R8 HVAC Heater Coolant Hose / Line, OEM 420819374, is a used genuine part that carries engine coolant to the cabin heater core. This hose serves the 4.2L V8 and 5.2L V10 naturally aspirated engines. When the line develops a leak, you may notice coolant drips or insufficient cabin heat.
Specifications
| Fits Vehicle Model | R8 |
| Fits Vehicle Make | Audi |
| OEM Part No | 420-819-374 (420819374) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 23 vehicle configurations across 1 make, 2008-2015.
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 23 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2011 | Audi | R8 | Spyder Convertible | 5.2L V10 | |
| 2009 | Audi | R8 | Coupe | 5.2L V10 | |
| 2012 | Audi | R8 | GT Coupe | 5.2L V10 | |
| 2012 | Audi | R8 | Coupe | 5.2L V10 | |
| 2010 | Audi | R8 | Coupe | 5.2L V10 | |
| 2011 | Audi | R8 | Coupe | 5.2L V10 | |
| 2012 | Audi | R8 | Spyder Convertible | 5.2L V10 | |
| 2012 | Audi | R8 | GT Spyder Convertible | 5.2L V10 | |
| 2015 | Audi | R8 | Spyder Convertible | 4.2L V8 | |
| 2008 | Audi | R8 | Coupe | 4.2L V8 | |
| 2009 | Audi | R8 | Coupe | 4.2L V8 | |
| 2010 | Audi | R8 | Coupe | 4.2L V8 | |
| 2011 | Audi | R8 | Coupe | 4.2L V8 | |
| 2011 | Audi | R8 | Spyder Convertible | 4.2L V8 | |
| 2012 | Audi | R8 | Coupe | 4.2L V8 | |
| 2012 | Audi | R8 | Spyder Convertible | 4.2L V8 | |
| 2014 | Audi | R8 | Coupe | 4.2L V8 | |
| 2014 | Audi | R8 | Coupe | 5.2L V10 | |
| 2014 | Audi | R8 | Spyder Convertible | 5.2L V10 | |
| 2015 | Audi | R8 | Coupe | 5.2L V10 | |
| 2015 | Audi | R8 | Coupe | 4.2L V8 | |
| 2015 | Audi | R8 | Spyder Convertible | 5.2L V10 | |
| 2014 | Audi | R8 | Spyder Convertible | 4.2L V8 |