Audi A6/S6 Coolant Tube / Line / Pipe 4K0819377R

OEM Part #: 4K0-819-377-R (4K0819377R)

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The OEM coolant tube (Part Number: 4K0819377R) serves as a vital conduit within the engine cooling system of select Audi models, including the A6 Quattro, S6, and S7 from 2019 to 2021, featuring 3.0L V6 and 2.9L V6 engines, both in Electric/Gas and Mild Hybrid EV-GAS (MHEV) configurations. This part, also known as a coolant line or pipe, plays a crucial role in transporting coolant from the engine to the radiator, ensuring optimal engine temperatures and functionality. Common issues such as coolant leaks or overheating can arise from a degraded or damaged component. Engineered for precision, this factory-original part guarantees reliability, quality, and perfect fitment, sourced directly from donor vehicles for authenticity.

Specifications

Specifications for Coolant Tube / Line / Pipe 4K0819377R
Fits Vehicle ModelA6, S6
Fits Vehicle MakeAudi
OEM Part No4K0-819-377-R (4K0819377R)
CategoryRadiator / Coolant

Compatible Vehicles

Fits 5 vehicle configurations across 1 make, 2019-2021.

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

  • A6 2019-2021 · 3 variants 3 with notes
  • S6 2020-2021 · 2 variants 2 with notes
View all 5 vehicle configurations — 5 with fitment notes
Full vehicle fitment list for Coolant Tube / Line / Pipe 4K0819377R
Year Make Model Trim Engine Note
2019 Audi A6 Quattro Sedan 3.0L V6 Turbo For Vehicles With Production date Up To 07/20/20
2020 Audi A6 Quattro Sedan 3.0L V6 Turbo For Vehicles With Production date Up To 07/20/20
2020 Audi S6 Sedan 2.9L V6 Turbo For Vehicles With Production date Up To 07/20/20
2021 Audi A6 Quattro Sedan 3.0L V6 Turbo For Vehicles With Production date Up To 07/20/20
2021 Audi S6 Sedan 2.9L V6 Turbo For Vehicles With Production date Up To 07/20/20

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