2017-2026 Audi / Porsche Turbo Oil Line / Pipe (RETURN) 06N145735C
OEM Part #: 06N-145-735-C (06N145735C)
Actual photo
The exact part you’ll receive — not a stock photo.
$13.99
Used
Donor2021 Audi A5 · 2.0L · 35k miles
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6 Available — Select Your Part:
Genuine OEM Used
SKU: 607099
Donor Vehicle: 2021 Audi A5 · 2.0L · 35k miles
2 photos
$13.99
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Genuine OEM Used
SKU: 611044
Donor Vehicle: 2021 Audi A5 SPORTBACK · 2.0L · 50k miles
2 photos
$13.99
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Genuine OEM Used
SKU: 694587
Donor Vehicle: 2025 Audi A5 SPORTBACK · 2.0L
2 photos
$14.99
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Genuine OEM Used
SKU: 652106
Donor Vehicle: 2025 Audi A5 SPORTBACK · 2.0L · 13k miles
2 photos
$15.99
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Genuine OEM Used
SKU: 655594
Donor Vehicle: 2021 Audi Q5 · 2.0L · 81k miles
2 photos
$17.49
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Genuine OEM Used
SKU: 670620
Donor Vehicle: 2021 Audi Q5 · 2.0L
2 photos
$17.99
30-Day Returns
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This is a used OEM Audi turbo oil return line, part number 06N145735C, which also supersedes 06N145735D. This pipe routes oil from the turbocharger back to the engine's oil pan after lubrication, preventing oil starvation. A failing return line can cause visible oil leaks or a burning smell from the turbo area. It fits multiple 2.0L, 2.9L, 3.0L, and 4.0L turbocharged engines across Audi and Porsche models.
Specifications
| Fits Vehicle Model | A4, A4 allroad, A5, A6, Cayenne, Macan, Q5, Q5 PHEV, Q7 |
| Fits Vehicle Make | Audi, Porsche |
| OEM Part No | 06N-145-735-C (06N145735C) |
| Compatible OEM Part No | 06N-145-735-D |
| Category | Turbo / Supercharger |
Compatible Vehicles
Fits 99 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 99 vehicle configurations — 5 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 | A5 | Hatchback | 2.0L l4 Turbo | |
| 2026 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2025 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2025 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2025 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | |
| 2023 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | Oil return tube, 2017-25 2021-25 |
| 2021 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | Oil return tube, 2017-25 2021-25 |
| 2022 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | Oil return tube, 2017-25 2021-25 |
| 2024 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | Oil return tube, 2017-25 2021-25 |
| 2025 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | Oil return tube, 2017-25 2021-25 |
| 2024 | Porsche | Macan | T SUV | 2.0L l4 Turbo | |
| 2024 | Porsche | Cayenne | Coupe SUV | 3.0L V6 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 | SUV | 3.0L V6 Turbo | |
| 2023 | Porsche | Cayenne | Coupe SUV | 3.0L V6 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 | |
| 2024 | Porsche | Cayenne | S Coupe SUV | 4.0L V8 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 | 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 | 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 | |
| 2018 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2022 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | |
| 2023 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2023 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2021 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2022 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2022 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | |
| 2024 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2019 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2024 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | |
| 2020 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2021 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | |
| 2022 | Audi | A5 | Quattro Convertible | 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 | |
| 2020 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2021 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2024 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2019 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2020 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | |
| 2024 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2021 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2021 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2018 | Audi | A4 | Sedan | 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 | |
| 2017 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2017 | Audi | A4 | Sedan | 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 | |
| 2018 | Audi | A5 | Hatchback | 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 | Sedan | 2.0L l4 Turbo | |
| 2019 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2019 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2024 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2020 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2020 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2022 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2020 | Audi | A4 | Sedan | 2.0L l4 Turbo | |
| 2023 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2023 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | |
| 2022 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2019 | Audi | A5 | Quattro Convertible | 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 | |
| 2024 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2022 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2021 | Audi | Q7 | SUV | 2.0L l4 Turbo |