2020-2024 Audi / Porsche Coolant Reservoir / Tank / Bottle Cap 9J1121321
Porsche Part #: 9J1-121-321 (9J1121321)
Actual photo
The exact part you’ll receive — not a stock photo.
$8.99
Used
Donor2023 Porsche TAYCAN · ELECTRIC · 7k miles
✓ Free Same Day Shipping on orders by noon CT
Only 2 in stock — no guaranteed restock
Genuine OEM Used
SKU: 573705
Donor Vehicle: 2023 Porsche TAYCAN · ELECTRIC · 7k miles
2 photos
$8.99
30-Day Returns
Genuine OEM Used
SKU: 675835
Donor Vehicle: 2020 Porsche TAYCAN · ELECTRIC
2 photos
$10.49
30-Day Returns
- Genuine OEM — real photos
- 30-day returns on eligible parts
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Audi and Porsche genuine OEM coolant reservoir / tank / bottle cap, part number 9J1121321, is a used factory component originally installed on the Audi e-tron GT and Porsche Taycan. This cap seals the high-voltage battery cooling system in these battery-electric vehicles (EV/BEV). A loose or failing cap can cause coolant loss and overheating of thermal management circuits. Alternate names include coolant tank cap or bottle cap.
Specifications
| Fits Vehicle Model | e-tron GT, Taycan |
| Fits Vehicle Make | Audi, Porsche |
| Porsche Part No | 9J1-121-321 (9J1121321) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 44 vehicle configurations across 2 makes, 2020-2024.
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 44 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2024 | Porsche | Taycan | Turbo S Turismo Wagon | Electric Vehicle | |
| 2024 | Porsche | Taycan | GTS Turismo Wagon | Electric Vehicle | |
| 2024 | Porsche | Taycan | Sedan | Electric Vehicle | |
| 2024 | Porsche | Taycan | 4S Sedan | Electric Vehicle | |
| 2024 | Porsche | Taycan | GTS Sedan | Electric Vehicle | |
| 2024 | Porsche | Taycan | Turbo S Sedan | Electric Vehicle | |
| 2024 | Porsche | Taycan | Turbo Turismo Wagon | Electric Vehicle | |
| 2024 | Porsche | Taycan | Turbo Sedan | Electric Vehicle | |
| 2024 | Porsche | Taycan | 4S Turismo Wagon | Electric Vehicle | |
| 2024 | Porsche | Taycan | 4 Turismo Wagon | Electric Vehicle | |
| 2023 | Audi | e-tron GT | Sedan | Electric Vehicle | |
| 2024 | Audi | e-tron GT | Sedan | Electric Vehicle | |
| 2022 | Audi | e-tron GT | Sedan | Electric Vehicle | |
| 2022 | Porsche | Taycan | GTS Turismo Wagon | Electric Vehicle | |
| 2022 | Porsche | Taycan | 4S Turismo Wagon | Electric Vehicle | |
| 2022 | Porsche | Taycan | GTS Wagon | Electric Vehicle | |
| 2023 | Porsche | Taycan | Turbo Turismo Wagon | Electric Vehicle | |
| 2023 | Porsche | Taycan | Turbo Sedan | Electric Vehicle | |
| 2022 | Porsche | Taycan | 4S Sedan | Electric Vehicle | |
| 2020 | Porsche | Taycan | 4S Sedan | Electric Vehicle | |
| 2021 | Porsche | Taycan | Turbo S Turismo Wagon | Electric Vehicle | |
| 2023 | Porsche | Taycan | GTS Sedan | Electric Vehicle | |
| 2023 | Porsche | Taycan | Turbo S Sedan | Electric Vehicle | |
| 2021 | Porsche | Taycan | Turbo Sedan | Electric Vehicle | |
| 2023 | Porsche | Taycan | 4 Turismo Wagon | Electric Vehicle | |
| 2022 | Porsche | Taycan | Turbo S Sedan | Electric Vehicle | |
| 2023 | Porsche | Taycan | Sedan | Electric Vehicle | |
| 2020 | Porsche | Taycan | Turbo S Sedan | Electric Vehicle | |
| 2021 | Porsche | Taycan | 4S Turismo Wagon | Electric Vehicle | |
| 2023 | Porsche | Taycan | Turbo S Turismo Wagon | Electric Vehicle | |
| 2021 | Porsche | Taycan | 4S Sedan | Electric Vehicle | |
| 2023 | Porsche | Taycan | 4S Sedan | Electric Vehicle | |
| 2022 | Porsche | Taycan | Sedan | Electric Vehicle | |
| 2022 | Porsche | Taycan | 4 Turismo Wagon | Electric Vehicle | |
| 2022 | Porsche | Taycan | Turbo Sedan | Electric Vehicle | |
| 2021 | Porsche | Taycan | Turbo Turismo Wagon | Electric Vehicle | |
| 2022 | Porsche | Taycan | Turbo Turismo Wagon | Electric Vehicle | |
| 2022 | Porsche | Taycan | Turbo S Turismo Wagon | Electric Vehicle | |
| 2023 | Porsche | Taycan | GTS Turismo Wagon | Electric Vehicle | |
| 2020 | Porsche | Taycan | Turbo Sedan | Electric Vehicle | |
| 2021 | Porsche | Taycan | 4 Turismo Wagon | Electric Vehicle | |
| 2023 | Porsche | Taycan | 4S Turismo Wagon | Electric Vehicle | |
| 2021 | Porsche | Taycan | Turbo S Sedan | Electric Vehicle | |
| 2021 | Porsche | Taycan | Sedan | Electric Vehicle |