Product Description
Genuine Stant R-25 Radiator Cap
Maintain the correct cooling system pressure for your European classic with this genuine Stant R-25 Radiator Cap. This cap is rated at 7 PSI (0.5 Bar), a specific low-pressure rating found on select Audi and Porsche expansion tanks. It features high-quality construction to prevent coolant loss and overheating.
This part is designed for the expansion tank on specific 1985-1987 Audi Coupe GT and 1981 Porsche 924 Turbo models requiring a 7lb screw-on cap.
Key Features:
- Part Number: R-25 (Stant)
- Interchange Part: Stant 10225
- Pressure Rating: 7 PSI (0.5 Bar)
- Type: Standard Pressure Cap (Screw-On)
- Application: European Expansion Tank
- Condition: New
Verified Vehicle Fitment:
| Make | Model | Year | Notes |
| Audi | Coupe GT | 1985-1987 | Check Pressure Rating |
| Porsche | 924 Turbo | 1981 | Turbo Only |
Fits Years:
1981 1985 1986 1987
Unbeatable Prices & Expectations
We scour the country to find the best deals on NOS and NORS parts so we can pass the savings on to you. Our prices are often significantly lower than major competitors.
Please Note: All vehicle fitment data is manually researched from vintage catalogs. While we strive for accuracy, historical data can sometimes be imperfect. We strongly encourage you to perform your own due diligence by comparing our provided photos and specifications to your original part to ensure proper fitment before purchasing.