Purchase and use with peace of mind 【Safe sealing】:The coolant overflow tank has a tightly sealed lid, fully TIG welded, and comes with an O-ring gasket to ensure a safe and sealed environment, preventing coolant leakage. 【Efficient operation】:When the coolant pressure in the radiator exceeds the set value of the pressure cap, the coolant is sealed by the pressure cap and flows into the radiator coolant overflow tank through the overflow pipe, resulting in a longer service life It is also designed to handle increased pressure 【Sturdy structure】:The coolant recovery tank is made of aluminum alloy material, ensuring durability, longevity, and wear . Bac Trop-plein Liquide Refroidissement Aluminium Coolant Overflow Tank Aluminium Alloy Universel 2l Capacity Bacs à Eau Pour Radiateur Safe sealing]:The coolant overflow tank has a tightly sealed lid, fully TIG welded, and comes with an O-ring gasket to ensure a safe and sealed environment, preventing coolant leakage Tanque de diseño de refrigerante universal, tanque Chile | Ubuy