Thermostatic Radiator Cap, Universal Thermostatic Radiator Cap Water Tank Cover Leakproof W/Temperature Gauge(Big head 0.9bar)

【High Quality Materials】The thermostatic radiator cover is made of high-quality silicone rubber, which has good sealing performance and can effectively prevent water leakage of the radiator. It is a high-quality product 【Professional Use】The thermostatic radiator cover is professionally manufactured and designed to adjust the pressure of the radiator and maintain the water level in the water tank 【Superior Performance】The thermostatic radiator cover is professionally manufactured, which can improve the pressure and cooling performance of the radiator, and at the same time modify the appearance of the engine compartment, with superior performance 【Professional Design】Constant temperature radiator cover, once the discharge pressure exceeds 0.9KG, the radiator cover spring will open, and the coolant will flow to the auxiliary radiator for storage 【Professionally Made】As the water temperature drops, a vacuum will form inside, and the cover will open to suck water from the auxiliary radiator into the water tank to keep the water level balanced