2017-2024 Audi Q7 Coolant Vent Tube / Hose / Line 4M0121081BP
OEM Part #: 4M0-121-081-BP (4M0121081BP)
Actual photo
The exact part you’ll receive — not a stock photo.
$21.49
Used
Donor2018 Audi Q7 · 3.0L
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Genuine OEM Used
SKU: 589078
Donor Vehicle: 2018 Audi Q7 · 3.0L
2 photos
$21.49
30-Day Returns
Genuine OEM Used
SKU: 616009
Donor Vehicle: 2018 Audi Q7 · 3.0L
2 photos
$21.49
30-Day Returns
- Genuine OEM — real photos
- 30-day returns on eligible parts
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This is a used OEM Audi Q7 Coolant Vent Tube, OEM part number 4M0121081BP — also known as a coolant vent hose or line. It was removed from a donor vehicle. This coolant vent tube manages air in the cooling system, allowing trapped gases to escape from the coolant passages. When it cracks or leaks, you may notice coolant loss, low coolant warnings, or engine overheating. Fits Audi Q7 with the 3.0L V6 diesel, gas supercharged, or gas MHEV turbo engine.
Specifications
| Fits Vehicle Model | Q7 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4M0-121-081-BP (4M0121081BP) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 8 vehicle configurations across 1 make, 2017-2024.
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 8 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2022 | Audi | Q7 | SUV | 3.0L V6 Turbo | |
| 2023 | Audi | Q7 | SUV | 3.0L V6 Turbo | |
| 2024 | Audi | Q7 | SUV | 3.0L V6 Turbo | |
| 2021 | Audi | Q7 | SUV | 3.0L V6 Turbo | |
| 2017 | Audi | Q7 | SUV | 3.0L V6 Supercharged | |
| 2018 | Audi | Q7 | SUV | 3.0L V6 Supercharged | |
| 2019 | Audi | Q7 | SUV | 3.0L V6 Supercharged | |
| 2020 | Audi | Q7 | SUV | 3.0L V6 Turbo |