Designed to seal the radiator and prevent coolant loss, the radiator cap plays a crucial role in the protection of your engine and should be checked on a regular basis. If replacement is required, we offer a complete range of Tridon plastic and metal radiator caps that are suitable for both sealed recovery and open recovery vehicle cooling systems. For assistance in selecting the right cap for your vehicle, add you vehicle to my garage or contact your local Supercheap Auto store and talk to one of our team members. Tridon Radiator Cap - CA0750