Audi A4/A5 Coolant Hose / Line Set 8W0122449BT

OEM Part #: 8W0-122-449-BT (8W0122449BT)

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This OEM coolant hose set, part number 8W0122449BT, is an authentic factory-original component designed for various Audi models including the A4, A4 Quattro, A5, and A5 Sportback from 2017 to 2023. Typically located in the front lower section of the engine bay, this hose assembly plays a crucial role in the vehicle's cooling system, ensuring optimal temperature control and preventing engine overheating. Common issues like coolant leaks or degraded hose integrity can lead to overheating and engine performance problems; therefore, replacing worn or damaged hoses is vital for maintaining functionality. This assembly is also referred to as a water hose and is compatible with engines such as the 2.0L L4 in both gas and mild hybrid configurations. Additionally, this part aligns with alternative numbers: 8W0122449AD, 8W0122449AT, and others. Trust in this genuine component for reliable performance and longevity.

Specifications

Specifications for Coolant Hose / Line Set 8W0122449BT
Fits Vehicle ModelA4, A5
Fits Vehicle MakeAudi
OEM Part No8W0-122-449-BT (8W0122449BT)
Compatible OEM Part No 8W0-122-449-AD, 8W0-122-449-AT, 8W0-122-449-BC, 8W0-122-449-BG, 8W0-122-449-BT, 8W0-122-449-CE, 8W0-122-449-L
CategoryRadiator / Coolant

Compatible Vehicles

Fits 17 vehicle configurations across 1 make, 2017-2020.

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 2017-2020 · 8 variants 8 with notes
  • A5 2018-2020 · 9 variants 9 with notes
View all 17 vehicle configurations — 17 with fitment notes
Full vehicle fitment list for Coolant Hose / Line Set 8W0122449BT
Year Make Model Trim Engine Note
2017 Audi A4 Sedan 2.0L l4 Turbo For Automatic Transmission
2017 Audi A4 Quattro Sedan 2.0L l4 Turbo For Automatic Transmission
2018 Audi A4 Sedan 2.0L l4 Turbo For Automatic Transmission
2018 Audi A4 Quattro Sedan 2.0L l4 Turbo For Automatic Transmission
2018 Audi A5 Quattro Convertible 2.0L l4 Turbo For Vehicles with Production Date Between 08/20/18 and 10/14/19
2018 Audi A5 Quattro Coupe 2.0L l4 Turbo For Vehicles with Production Date Between 08/20/18 and 10/14/19
2018 Audi A5 Hatchback 2.0L l4 Turbo For Automatic Transmission; For Vehicles with Production Date Between 08/20/18 and 10/14/19
2019 Audi A4 Sedan 2.0L l4 Turbo For Automatic Transmission
2019 Audi A4 Quattro Sedan 2.0L l4 Turbo For Automatic Transmission
2019 Audi A5 Quattro Convertible 2.0L l4 Turbo For Vehicles with Production Date Between 08/20/18 and 10/14/19
2019 Audi A5 Quattro Coupe 2.0L l4 Turbo For Vehicles with Production Date Between 08/20/18 and 10/14/19
2019 Audi A5 Hatchback 2.0L l4 Turbo For Automatic Transmission; For Vehicles with Production Date Between 08/20/18 and 10/14/19
2020 Audi A4 Sedan 2.0L l4 Turbo For Automatic Transmission
2020 Audi A4 Quattro Sedan 2.0L l4 Turbo For Automatic Transmission
2020 Audi A5 Quattro Convertible 2.0L l4 Turbo For Vehicles with Production Date Between 08/20/18 and 10/14/19
2020 Audi A5 Quattro Coupe 2.0L l4 Turbo For Vehicles with Production Date Between 08/20/18 and 10/14/19
2020 Audi A5 Hatchback 2.0L l4 Turbo For Automatic Transmission; For Vehicles with Production Date Between 08/20/18 and 10/14/19

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