2020-2026 Audi Transmission Oil Cooler Line / Pipe 4M0121485CQ
OEM Part #: 4M0-121-485-CQ (4M0121485CQ)
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The exact part you’ll receive — not a stock photo.
$64.99
Used
Donor2021 Audi SQ8 · 4.0L · 47k miles
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Genuine OEM Used
SKU: 701453
Donor Vehicle: 2021 Audi SQ8 · 4.0L · 47k miles
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$64.99
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This is a used OEM Audi transmission oil cooler line/pipe, part number 4M0121485CQ, removed from a donor vehicle. It serves as the hydraulic fluid conduit for the 4.0L V8 MHEV DOHC turbocharged engine, specifically in the Audi RS7, RS Q8, and SQ8. A failing line can cause transmission fluid leaks, leading to slipping or overheating.
Specifications
| Fits Vehicle Model | RS Q8, RS7, SQ8 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4M0-121-485-CQ (4M0121485CQ) |
| Category | Transmission |
Compatible Vehicles
Fits 20 vehicle configurations across 1 make, 2020-2026.
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 20 vehicle configurations — 6 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2026 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2026 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2025 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2022 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2020 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2021 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2023 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2024 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2025 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2026 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | Oil Cooler Tube, TRANSMISSION COOLER |
| 2025 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | Oil Cooler Tube, TRANSMISSION COOLER |
| 2024 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | Oil Cooler Tube, TRANSMISSION COOLER |
| 2023 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | Oil Cooler Tube, TRANSMISSION COOLER |
| 2022 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | Oil Cooler Tube, TRANSMISSION COOLER |
| 2021 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | Oil Cooler Tube, TRANSMISSION COOLER |
| 2021 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2020 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2023 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2024 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2022 | Audi | RS Q8 | SUV | 4.0L V8 Turbo |