Leakproof Thermostatic Radiator Cap Compatible with Universal Cars

1 Using high-quality silicone rubber, good sealing, can effectively prevent the radiator from leaking. 2 The radiator cover is used to adjust the radiator pressure and maintain the water level of the water tank. 3 Improve the radiator pressure and cooling performance while modifying the appearance of the engine compartment. 4 Thermostatic radiator cover, once the discharge pressure is over 0.9KG, the radiator cover spring will open, and the coolant will flow to the auxiliary radiator for storage. 5 As the water temperature decreases, a vacuum is formed inside, the cap will open to draw water from the auxiliary radiator into the water tank to keep the water level balanced.

What's in the box
1 x Radiator Cap