Audi A4/A5 Heater Core Coolant Hose 8K1819350AT

OEM Part #: 8K1-819-350-AT (8K1819350AT)

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This genuine heater core coolant hose is a crucial component for maintaining optimal engine temperature in several Audi models. Designed for seamless fit and performance, it connects the heater valve to the heater core. Compatible with: - Audi A4 (2009-2012, sedan and wagon) - Audi A4 Quattro (2009-2012, sedan and wagon) - Audi A5 (2010-2012, coupe and convertible) - Audi A5 Quattro (2010-2012, coupe and convertible) OEM Part Numbers: 8K1819373AN, 8KD819373, alternative Bosch number: 8K1819350AT. Worn or damaged hoses can lead to coolant leaks, resulting in ineffective heating and potential engine overheating. This factory-original part restores functionality, ensuring reliable vehicle operation and comfort in cold weather.

Coolant hose from heater valve to heater core.

Specifications

Specifications for Heater Core Coolant Hose 8K1819350AT
Fits Vehicle ModelA4, A5
Fits Vehicle MakeAudi
OEM Part No8K1-819-350-AT (8K1819350AT)
Compatible OEM Part No 8K1-819-373-AN, 8KD-819-373
CategoryRadiator / Coolant

Compatible Vehicles

Fits 21 vehicle configurations across 1 make, 2009-2012.

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

  • A4 2009-2012 · 12 variants 12 with notes
  • A5 2010-2012 · 9 variants 9 with notes
View all 21 vehicle configurations — 21 with fitment notes
Full vehicle fitment list for Heater Core Coolant Hose 8K1819350AT
Year Make Model Trim Engine Note
2009 Audi A4 Sedan 2.0L l4 Turbo For Vehicles with Production Date After 05/25/09
2009 Audi A4 Quattro Wagon 2.0L l4 Turbo For Vehicles with Production Date After 05/25/09
2009 Audi A4 Quattro Sedan 2.0L l4 Turbo For Vehicles with Production Date After 05/25/09
2010 Audi A4 Sedan 2.0L l4 Turbo For Vehicles with Production Date After 05/25/09
2010 Audi A4 Quattro Wagon 2.0L l4 Turbo For Vehicles with Production Date After 05/25/09
2010 Audi A4 Quattro Sedan 2.0L l4 Turbo For Vehicles with Production Date After 05/25/09
2010 Audi A5 Convertible 2.0L l4 Turbo For Vehicles with Production Date After 05/25/09
2010 Audi A5 Quattro Coupe 2.0L l4 Turbo For Vehicles with Production Date After 05/25/09
2010 Audi A5 Quattro Convertible 2.0L l4 Turbo For Vehicles with Production Date After 05/25/09
2011 Audi A4 Sedan 2.0L l4 Turbo For Vehicles with Production Date After 05/25/09
2011 Audi A4 Quattro Wagon 2.0L l4 Turbo For Vehicles with Production Date After 05/25/09
2011 Audi A4 Quattro Sedan 2.0L l4 Turbo For Vehicles with Production Date After 05/25/09
2011 Audi A5 Convertible 2.0L l4 Turbo For Vehicles with Production Date After 05/25/09
2011 Audi A5 Quattro Convertible 2.0L l4 Turbo For Vehicles with Production Date After 05/25/09
2011 Audi A5 Quattro Coupe 2.0L l4 Turbo For Vehicles with Production Date After 05/25/09
2012 Audi A4 Sedan 2.0L l4 Turbo For Vehicles with Production Date After 05/25/09
2012 Audi A4 Quattro Wagon 2.0L l4 Turbo For Vehicles with Production Date After 05/25/09
2012 Audi A4 Quattro Sedan 2.0L l4 Turbo For Vehicles with Production Date After 05/25/09
2012 Audi A5 Convertible 2.0L l4 Turbo For Vehicles with Production Date After 05/25/09
2012 Audi A5 Quattro Coupe 2.0L l4 Turbo For Vehicles with Production Date After 05/25/09
2012 Audi A5 Quattro Convertible 2.0L l4 Turbo For Vehicles with Production Date After 05/25/09

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