2017-2026 Audi / Porsche Turbo Coolant Hose / Line (RETURN) 06N121492C
OEM Part #: 06N-121-492-C (06N121492C)
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The exact part you’ll receive — not a stock photo.
$36.99
Used
Donor2025 Audi A5 SPORTBACK · 2.0L
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Genuine OEM Used
SKU: 694588
Donor Vehicle: 2025 Audi A5 SPORTBACK · 2.0L
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$36.99
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Used OEM Audi turbo coolant hose / return line, part number 06N121492C. This genuine factory hose directs hot coolant from the turbocharger back to the cooling system after the engine has run. When this hose fails or develops a leak, you may notice coolant loss, steam from the engine bay, or low coolant warning lights. It fits multiple 2.0L, 2.9L, 3.0L, and 4.0L turbocharged engines across Audi, Porsche Cayenne, and Porsche Macan applications.
Specifications
| Fits Vehicle Model | A4, A4 allroad, A5, A6, Cayenne, Macan, Q5, Q5 PHEV, Q7 |
| Fits Vehicle Make | Audi, Porsche |
| OEM Part No | 06N-121-492-C (06N121492C) |
| Category | Turbo / Supercharger |
Compatible Vehicles
Fits 96 vehicle configurations across 2 makes, 2017-2026.
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.
View all 96 vehicle configurations — 15 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2019 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | |
| 2020 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | |
| 2025 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2026 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2025 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2024 | Porsche | Cayenne | S Coupe SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2023 | Porsche | Macan | T SUV | 2.0L l4 Turbo | |
| 2024 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2019 | Porsche | Macan | SUV | 2.0L l4 Turbo | |
| 2023 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2023 | Porsche | Cayenne | Turbo Coupe SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | S SUV | 3.0L V6 Turbo | |
| 2022 | Porsche | Macan | SUV | 2.0L l4 Turbo | |
| 2023 | Porsche | Cayenne | GTS Coupe SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2023 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | |
| 2023 | Porsche | Cayenne | GTS SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Macan | SUV | 2.0L l4 Turbo | |
| 2023 | Porsche | Cayenne | Turbo S Coupe SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | Turbo Coupe SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Macan | SUV | 2.0L l4 Turbo | |
| 2024 | Porsche | Cayenne | S SUV | 4.0L V8 Turbo | |
| 2022 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | |
| 2023 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2023 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2022 | Audi | Q5 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 07/19/21 |
| 2024 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2022 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 07/19/21 |
| 2021 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2018 | Audi | Q5 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 07/19/21 |
| 2024 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | |
| 2020 | Audi | Q5 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 07/19/21 |
| 2021 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | |
| 2022 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2024 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2019 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2019 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2022 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2024 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2019 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2021 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 07/19/21 |
| 2020 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2021 | Audi | Q5 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 07/19/21 |
| 2024 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2019 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2021 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2021 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2020 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 07/19/21 |
| 2017 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2018 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2018 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2018 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2018 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2018 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2017 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2017 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2017 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2020 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2020 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2021 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2022 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2023 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2023 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2019 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2019 | Audi | Q5 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 07/19/21 |
| 2024 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2020 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2024 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2023 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2023 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | |
| 2020 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2022 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2023 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | |
| 2023 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2024 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | |
| 2022 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2025 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | |
| 2023 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | Turbocharger Cooling, Outlet |
| 2021 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | Turbocharger Cooling, Outlet |
| 2022 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | Turbocharger Cooling, Outlet |
| 2025 | Audi | A5 | Hatchback | 2.0L l4 Turbo | Turbocharger Cooling, Outlet |
| 2024 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | Turbocharger Cooling, Outlet |
| 2025 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | Turbocharger Cooling, Outlet |
| 2025 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | Turbocharger Cooling, Outlet |
| 2024 | Porsche | Macan | T SUV | 2.0L l4 Turbo | |
| 2023 | Porsche | Cayenne | S Coupe SUV | 2.9L V6 Turbo | |
| 2020 | Porsche | Macan | SUV | 2.0L l4 Turbo | |
| 2023 | Porsche | Cayenne | Turbo GT Coupe SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | Turbo S SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | Turbo GT Coupe SUV | 4.0L V8 Turbo | |
| 2021 | Porsche | Macan | SUV | 2.0L l4 Turbo | |
| 2024 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | S Coupe SUV | 3.0L V6 Turbo | |
| 2021 | Audi | Q7 | SUV | 2.0L l4 Turbo |