Audi / Porsche Turbo Coolant Line / Pipe (RETURN) 06N121492

OEM Part #: 06N-121-492 (06N121492)

This page covers one exact OEM part number. Every unit we stocked has sold.

The Turbo Coolant Return Line (OEM Part Number 06N121492) is an essential component located in the engine bay of various Audi models, including the A4, A5, and Q5 from 2020 to 2024. This line plays a vital role in directing coolant away from the turbocharger, ensuring optimal operating temperatures and preventing overheating. Common issues such as leaks, cracks, or clogs can impair the coolant flow, potentially leading to turbocharger failure or engine damage. Known alternatively as the Water Pipe, Hose & Tube Assembly, or Connector Pipe, this genuine OEM part seamlessly integrates with the vehicle's cooling system. Keep your engine performing at its best by replacing damaged lines promptly. Compatible engines include the 2.0L L4 in several models. For models like the Audi A4 Quattro (2021-2024) and the Porsche Macan (2019-2024), this part is crucial for maintaining engine efficiency. If you notice signs of coolant leakage or overheating, replacing this line with the OEM 06N121492 will restore proper function and prolong the life of your vehicle. Ensure reliability and performance with this authentic part sourced from salvage vehicles.

Specifications

Specifications for Turbo Coolant Line / Pipe (RETURN) 06N121492
Fits Vehicle ModelA4, A5, Cayenne, Macan, Q5, Q5 PHEV
Fits Vehicle MakeAudi, Porsche
OEM Part No06N-121-492 (06N121492)
CategoryTurbo / Supercharger

Compatible Vehicles

Fits 80 vehicle configurations across 2 makes, 2017-2025.

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 2017-2025 · 13 variants 13 with notes
  • A5 2017-2025 · 25 variants 25 with notes
  • Q5 2018-2025 · 8 variants
  • Q5 PHEV 2020-2025 · 6 variants

Porsche

  • Cayenne 2023-2024 · 20 variants
  • Macan 2019-2024 · 8 variants
View all 80 vehicle configurations 38 with fitment notes
Full vehicle fitment list for Turbo Coolant Line / Pipe (RETURN) 06N121492
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
2017 Audi A5 Quattro Convertible 2.0L l4 Turbo For Automatic Transmission
2017 Audi A5 Quattro Coupe 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 Automatic Transmission
2018 Audi A5 Quattro Coupe 2.0L l4 Turbo For Automatic Transmission
2018 Audi A5 Hatchback 2.0L l4 Turbo For Automatic Transmission
2018 Audi Q5 SUV 2.0L l4 Turbo
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 Automatic Transmission
2019 Audi A5 Quattro Coupe 2.0L l4 Turbo For Automatic Transmission
2019 Audi A5 Hatchback 2.0L l4 Turbo For Automatic Transmission
2019 Audi Q5 SUV 2.0L l4 Turbo
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 Automatic Transmission
2020 Audi A5 Quattro Coupe 2.0L l4 Turbo For Automatic Transmission
2020 Audi A5 Hatchback 2.0L l4 Turbo For Automatic Transmission
2020 Audi Q5 SUV 2.0L l4 Turbo
2019 Porsche Macan SUV 2.0L l4 Turbo
2020 Porsche Macan SUV 2.0L l4 Turbo
2021 Porsche Macan SUV 2.0L l4 Turbo
2020 Audi Q5 PHEV SUV 2.0L l4 Turbo
2021 Audi A4 Quattro Sedan 2.0L l4 Turbo For Automatic Transmission
2021 Audi A5 Quattro Convertible 2.0L l4 Turbo For Automatic Transmission
2021 Audi A5 Quattro Coupe 2.0L l4 Turbo For Automatic Transmission
2021 Audi A5 Hatchback 2.0L l4 Turbo For Automatic Transmission
2021 Audi Q5 SUV 2.0L l4 Turbo
2021 Audi Q5 PHEV SUV 2.0L l4 Turbo
2022 Audi A4 Quattro Sedan 2.0L l4 Turbo For Automatic Transmission
2022 Audi A5 Quattro Convertible 2.0L l4 Turbo For Automatic Transmission
2022 Audi A5 Quattro Coupe 2.0L l4 Turbo For Automatic Transmission
2022 Audi A5 Hatchback 2.0L l4 Turbo For Automatic Transmission
2022 Audi Q5 SUV 2.0L l4 Turbo
2022 Audi Q5 PHEV SUV 2.0L l4 Turbo
2023 Audi A4 Quattro Sedan 2.0L l4 Turbo For Automatic Transmission
2023 Audi A5 Quattro Convertible 2.0L l4 Turbo For Automatic Transmission
2023 Audi A5 Quattro Coupe 2.0L l4 Turbo For Automatic Transmission
2023 Audi A5 Hatchback 2.0L l4 Turbo For Automatic Transmission
2023 Audi Q5 SUV 2.0L l4 Turbo
2023 Audi Q5 PHEV SUV 2.0L l4 Turbo
2022 Porsche Macan SUV 2.0L l4 Turbo
2023 Porsche Cayenne SUV 3.0L V6 Turbo
2023 Porsche Cayenne Coupe SUV 3.0L V6 Turbo
2023 Porsche Cayenne GTS Coupe SUV 4.0L V8 Turbo
2023 Porsche Cayenne GTS SUV 4.0L V8 Turbo
2023 Porsche Cayenne S Coupe SUV 2.9L V6 Turbo
2023 Porsche Cayenne S SUV 2.9L V6 Turbo
2023 Porsche Cayenne Turbo Coupe SUV 4.0L V8 Turbo
2023 Porsche Cayenne Turbo GT Coupe SUV 4.0L V8 Turbo
2023 Porsche Cayenne Turbo S Coupe SUV 4.0L V8 Turbo
2023 Porsche Cayenne Turbo S SUV 4.0L V8 Turbo
2023 Porsche Cayenne Turbo SUV 4.0L V8 Turbo
2023 Porsche Macan SUV 2.0L l4 Turbo
2023 Porsche Macan T SUV 2.0L l4 Turbo
2024 Audi A4 Quattro Sedan 2.0L l4 Turbo For Automatic Transmission
2024 Audi A5 Quattro Convertible 2.0L l4 Turbo For Automatic Transmission
2024 Audi A5 Quattro Coupe 2.0L l4 Turbo For Automatic Transmission
2024 Audi A5 Hatchback 2.0L l4 Turbo For Automatic Transmission
2024 Audi Q5 SUV 2.0L l4 Turbo
2024 Audi Q5 PHEV SUV 2.0L l4 Turbo
2024 Porsche Cayenne SUV 3.0L V6 Turbo
2024 Porsche Cayenne Coupe SUV 3.0L V6 Turbo
2024 Porsche Cayenne S Coupe SUV 4.0L V8 Turbo
2024 Porsche Cayenne S Coupe SUV 3.0L V6 Turbo
2024 Porsche Cayenne S SUV 3.0L V6 Turbo
2024 Porsche Cayenne S SUV 4.0L V8 Turbo
2024 Porsche Cayenne Turbo Coupe SUV 4.0L V8 Turbo
2024 Porsche Cayenne Turbo SUV 4.0L V8 Turbo
2024 Porsche Cayenne Turbo GT Coupe SUV 4.0L V8 Turbo
2024 Porsche Macan SUV 2.0L l4 Turbo
2024 Porsche Macan T SUV 2.0L l4 Turbo
2025 Audi A4 Quattro Sedan 2.0L l4 Turbo For Automatic Transmission
2025 Audi A5 Hatchback 2.0L l4 Turbo For Automatic Transmission
2025 Audi Q5 SUV 2.0L l4 Turbo
2025 Audi Q5 PHEV SUV 2.0L l4 Turbo
2025 Audi A5 Quattro Hatchback 2.0L l4 Turbo For Automatic Transmission

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