2008-2015 Audi R8 Upper Radiator Coolant Hose / Line Left 420121057A

OEM Part #: 420-121-057-A (420121057A)

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Upper radiator coolant hose for Audi R8, located on the front left. This hose transports coolant from the engine to the radiator, ensuring optimal engine temperature management. Replaces a worn or leaking line, potentially addressing overheating issues. Compatible with 2008-2015 Audi R8 models, including Base, Plus, Spyder, and equipped with 4.2L V8 or 5.2L V10 engines. Interchangeable with part numbers 420121057, 420121254B, and others. This essential cooling component maintains performance and efficiency in high-performance vehicles. Ideal for those looking to replace faulty coolant delivery lines in their Audi R8.

Specifications

Specifications for Upper Radiator Coolant Hose / Line 420121057A
Fits Vehicle ModelR8
Fits Vehicle MakeAudi
OEM Part No420-121-057-A (420121057A)
Compatible OEM Part No 420-121-057
SideLeft
CategoryRadiator / 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.

Audi

  • R8 2008-2015 · 23 variants
View all 23 vehicle configurations
Full vehicle fitment list for Upper Radiator Coolant Hose / Line 420121057A
Year Make Model Trim Engine Note
2008 Audi R8 Coupe 4.2L V8
2009 Audi R8 Coupe 4.2L V8
2009 Audi R8 Coupe 5.2L V10
2010 Audi R8 Coupe 4.2L V8
2010 Audi R8 Coupe 5.2L V10
2011 Audi R8 Coupe 4.2L V8
2011 Audi R8 Coupe 5.2L V10
2011 Audi R8 Spyder Convertible 4.2L V8
2011 Audi R8 Spyder Convertible 5.2L V10
2012 Audi R8 Coupe 4.2L V8
2012 Audi R8 Coupe 5.2L V10
2012 Audi R8 GT Coupe 5.2L V10
2012 Audi R8 GT Spyder Convertible 5.2L V10
2012 Audi R8 Spyder Convertible 4.2L V8
2012 Audi R8 Spyder Convertible 5.2L V10
2014 Audi R8 Coupe 4.2L V8
2014 Audi R8 Coupe 5.2L V10
2014 Audi R8 Spyder Convertible 4.2L V8
2014 Audi R8 Spyder Convertible 5.2L V10
2015 Audi R8 Coupe 4.2L V8
2015 Audi R8 Coupe 5.2L V10
2015 Audi R8 Spyder Convertible 4.2L V8
2015 Audi R8 Spyder Convertible 5.2L V10

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