Description:

Fitment: Radiator Cap for Lexus RC300 2016. New Version 2x Radiator Cap Replace 16401-31650 16401-31520 16401-31480 16401-46610 for Lexus RC300 2016. Function: If the pressure isn't maintained, coolant will boil and evaporate, the engine will at risk of overheating. Radiator cap holds the coolant inside the radiator, but it also works as a two-way valve that keeps the right pressure inside so the radiator does it work correctly. Designed for function on open cooling systems and overflow reservoir type systems. What You Get: 2x Car Radiator Cap.