Audi A4/A5/allroad Coolant Reservoir Hose / Line 8K0121081BF

OEM Part #: 8K0-121-081-BF (8K0121081BF)

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This authentic OEM Coolant Reservoir Hose, also known as the Overflow Hose or Venthose (OEM Part Number: 8K0121081BF), is designed for precise compatibility with various Audi models, including the A4, A4 Quattro, A5, A5 Quattro, and allroad, spanning model years 2013 to 2017. Made from high-quality materials, this factory-original part plays a crucial role in the coolant system, allowing for proper overflow management. Common issues such as leaks or blockages leading to overheating can be resolved with a replacement of this hose. It is strategically located within the coolant system, ensuring optimal engine performance and longevity. Other compatible part numbers include 8K0121101M, 8K1819374E, and 06H121497B.

Specifications

Specifications for Coolant Reservoir Hose / Line 8K0121081BF
Fits Vehicle ModelA4, A5, allroad
Fits Vehicle MakeAudi
OEM Part No8K0-121-081-BF (8K0121081BF)
CategoryRadiator / Coolant

Compatible Vehicles

Fits 26 vehicle configurations across 1 make, 2012-2017.

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 2012-2016 · 11 variants 11 with notes
  • A5 2013-2017 · 11 variants 11 with notes
  • allroad 2013-2016 · 4 variants 4 with notes
View all 26 vehicle configurations — 26 with fitment notes
Full vehicle fitment list for Coolant Reservoir Hose / Line 8K0121081BF
Year Make Model Trim Engine Note
2012 Audi A4 Sedan 2.0L l4 Turbo For Vehicles with Production Date After 04/09/12
2012 Audi A4 Quattro Wagon 2.0L l4 Turbo For Vehicles with Production Date After 04/09/12
2012 Audi A4 Quattro Sedan 2.0L l4 Turbo For Vehicles with Production Date After 04/09/12
2013 Audi A4 Sedan 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12; For Vehicles with Engine Code(s) CNCD
2013 Audi A4 Quattro Sedan 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12; For Vehicles with Engine Code(s) CNCD
2013 Audi A5 Convertible 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12
2013 Audi A5 Quattro Coupe 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12
2013 Audi A5 Quattro Convertible 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12
2013 Audi allroad Wagon 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12; For Vehicles with Engine Code(s) CNCD
2014 Audi A4 Sedan 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12; For Vehicles with Engine Code(s) CNCD
2014 Audi A4 Quattro Sedan 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12; For Vehicles with Engine Code(s) CNCD
2014 Audi A5 Convertible 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12
2014 Audi A5 Quattro Convertible 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12
2014 Audi A5 Quattro Coupe 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12
2014 Audi allroad Wagon 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12; For Vehicles with Engine Code(s) CNCD
2015 Audi A4 Sedan 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12; For Vehicles with Engine Code(s) CNCD
2015 Audi A4 Quattro Sedan 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12; For Vehicles with Engine Code(s) CNCD
2015 Audi A5 Quattro Convertible 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12
2015 Audi A5 Quattro Coupe 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12
2015 Audi allroad Wagon 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12; For Vehicles with Engine Code(s) CNCD
2016 Audi A4 Sedan 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12; For Vehicles with Engine Code(s) CNCD
2016 Audi A4 Quattro Sedan 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12; For Vehicles with Engine Code(s) CNCD
2016 Audi A5 Quattro Convertible 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12
2016 Audi A5 Quattro Coupe 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12
2016 Audi allroad Wagon 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12; For Vehicles with Engine Code(s) CNCD
2017 Audi A5 Quattro Convertible 2.0L l4 Turbo For Automatic Transmission; For Manual Transmission; For Vehicles with Production Date After 04/09/12

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