2008-2015 Audi R8 Coolant Reservoir Vent Hose / Line 420121107C
OEM Part #: 420-121-107-C (420121107C)
Actual photo
The exact part you’ll receive — not a stock photo.
$12.13
Used
Donor2012 Audi R8 · 4.2L · 41k miles
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Genuine OEM Used
SKU: 570973
Donor Vehicle: 2012 Audi R8 · 4.2L · 41k miles
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$12.13
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Audi Coolant Reservoir Vent Hose / Line, OEM part number 420121107C – a used genuine part removed from a donor vehicle. Also replaces 420121107. This vent hose allows air to escape from the coolant reservoir, preventing pressure buildup and maintaining proper cooling system operation. A cracked or blocked hose can cause coolant loss, air pockets, or overheating. Designed for the 4.2L 4163CC V8 gas engine in the Audi R8.
Specifications
| Fits Vehicle Model | R8 |
| Fits Vehicle Make | Audi |
| OEM Part No | 420-121-107-C (420121107C) |
| Compatible OEM Part No | 420-121-107 |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 11 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 11 vehicle configurations — 4 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 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 | For Manual Transmission; For Automatic Transmission |
| 2014 | Audi | R8 | Spyder Convertible | 4.2L V8 | For Manual Transmission; For Automatic Transmission |
| 2015 | Audi | R8 | Coupe | 4.2L V8 | For Manual Transmission; For Automatic Transmission |
| 2015 | Audi | R8 | Spyder Convertible | 4.2L V8 | For Manual Transmission; For Automatic Transmission |