Audi / Porsche Coolant Reservoir / Tank / Bottle 5Q0121407H
OEM Part #: 5Q0-121-407-H (5Q0121407H)
This page covers one exact OEM part number. Every unit we stocked has sold.
We may be able to get another
Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:
Other Coolant Reservoir / Tank that may fit your vehicle
Coolant Bleeder Valve
Starting at $11.49
Fits 2010–2024 Porsche
OEM: 7P5121671
Coolant Reservoir / Bottle / Tank Cap
$22.99
Fits 2009–2026 Audi & Volkswagen
OEM: 2Q0121321
Coolant Reservoir / Bottle / Tank Cap
$27.99
Fits 2017–2025 Audi & Porsche
OEM: 4M0121321K
Porsche: PAB12132100
Coolant Reservoir / Bottle / Tank Cap
Starting at $14.49
Fits 2009–2024 Audi, Porsche + more
OEM: 2Q0121321A
Coolant Reservoir / Tank / Bottle
$24.99
Fits 2011–2018 Porsche & Volkswagen
OEM: 7P0121407
Porsche: 95810615100
Coolant Reservoir / Tank / Bottle
$49.99
Fits 2017–2020 Audi Q7
OEM: 4M0121405Q
- Genuine OEM — real photos
- 30-day returns on eligible parts
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- Ships from our own indoor warehouse
Specifications
| Fits Vehicle Model | A3 e-tron, Cayenne, Q7 |
| Fits Vehicle Make | Audi, Porsche |
| OEM Part No | 5Q0-121-407-H (5Q0121407H) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 31 vehicle configurations across 2 makes, 2016-2024.
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 31 vehicle configurations — 6 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2017 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 06/17/19 |
| 2018 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 06/17/19 |
| 2019 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 06/17/19 |
| 2020 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 06/17/19 |
| 2019 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2020 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2020 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2021 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2021 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2022 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2022 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2016 | Audi | A3 e-tron | Hatchback | 1.4L l4 Turbo | |
| 2017 | Audi | A3 e-tron | Hatchback | 1.4L l4 Turbo | For Vehicles With Production date Up To 07/08/19 |
| 2018 | Audi | A3 e-tron | Hatchback | 1.4L l4 Turbo | For Vehicles With Production date Up To 07/08/19 |
| 2018 | Porsche | Cayenne | S SUV | 3.0L V6 Supercharged | |
| 2020 | Porsche | Cayenne | Turbo S Coupe SUV | 4.0L V8 Turbo | |
| 2020 | Porsche | Cayenne | Turbo S SUV | 4.0L V8 Turbo | |
| 2021 | Porsche | Cayenne | Turbo S Coupe SUV | 4.0L V8 Turbo | |
| 2021 | Porsche | Cayenne | Turbo S SUV | 4.0L V8 Turbo | |
| 2022 | Porsche | Cayenne | Turbo S Coupe SUV | 4.0L V8 Turbo | |
| 2022 | Porsche | Cayenne | Turbo S 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 Coupe SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | Turbo S SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2024 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2024 | Porsche | Cayenne | S Coupe SUV | 3.0L V6 Turbo | |
| 2024 | Porsche | Cayenne | S SUV | 3.0L V6 Turbo | |
| 2024 | Porsche | Cayenne | Turbo Coupe SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo |