
SWAG Radiator Diameter 30940724 - Cooling System Replacement for Golf II, III, Passat, Polo & T4 | Blue Plastic
In stock, ready to ship
In stock now — leaves the warehouse in 1–2 business days
Fitment
Listed for Golf, Passat, Polo
Check this part against your vehicle
Options come from the vehicles named on the parts we stock.
Product details
Ensure optimal engine performance with the SWAG 30940724 Radiator Cap, designed specifically for Golf II, Golf III, Passat, Polo, and T4 models. This essential component maintains the cooling system pressure, ensuring efficient operation of your vehicle's engine.
Key Benefits:
- Engineered to fit multiple VW models, ensuring compatibility and ease of installation.
- Maintains the required pressure (1.5 bar) to prevent overheating, protecting your engine.
- High-quality plastic construction ensures durability and longevity.
Technical Specifications:
- Color: Blue
- Material: Plastic
- Opening Pressure: 1.5 bar
- Weight: 0.12 lb (0.055 kg)
- OE Number: 1H0 121 321 D
How to Use:
Simply remove the old radiator cap and replace it with the new SWAG radiator cap. Ensure it is securely tightened to maintain proper cooling system pressure.
Invest in quality with SWAG!
Checking fitment
Match the part number above against the part you are replacing, or check the models and engines named on this page against your vehicle. If the number matches, the part matches.
Shipping
Orders leave the warehouse in 1–2 business days. Free shipping on every US order.
Returns & warranty
30 days to return an unused part in its original packaging. Manufacturer warranty of 12 months against defects.









