Audi / Porsche Turbocharger Coolant / Water Return Pipe 06N121492
OEM Part #: 06N-121-492 (06N121492)
Porsche Part #: 9A7-121-492-A (9A7121492A)
Actual photo
The exact part you’ll receive — not a stock photo.
Hours & directions
Wolf Auto Parts, 127 6th St S, Waverly, MN 55390 · Mon–Thu 8–5, Fri 8–2 CT · 1-844-333-3609 · Directions · Ready immediately during business hours.
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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
| Fits Vehicle Model | A4, A5, Cayenne, Macan, Q5, Q5 PHEV |
| Fits Vehicle Make | Audi, Porsche |
| OEM Part No | 06N-121-492 (06N121492) |
| Porsche Part No | 9A7-121-492-A (9A7121492A) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 84 vehicle configurations across 2 makes, 2017-2026.
View all 84 vehicle configurations — 38 with fitment notes
| 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 | Porsche | Macan | SUV | 2.0L l4 Turbo | |
| 2025 | Porsche | Macan | T SUV | 2.0L l4 Turbo | |
| 2025 | Audi | A5 | Quattro Hatchback | 2.0L l4 Turbo | For Automatic Transmission |
| 2026 | Porsche | Macan | SUV | 2.0L l4 Turbo | |
| 2026 | Porsche | Macan | T SUV | 2.0L l4 Turbo |