Radiator Caps are designed to seal the top of the radiator filler neck to prevent coolant loss, pressurise the cooling system and raise the boiling point of the coolant.
Oil Caps are designed to cover the orifice used to fill or top up the engine oil supply.
Fuel Caps are designed to seal the vehicle fuel system to prevent evaporation and contamination.
Emergency Caps are designed for short term sealing of vehicle fuel or engine oil systems.
The Tridon cap range has been carefully researched and engineered to operate within original equipment manufacturer's specifications for each specific application.