Motorcraft RS-527 Radiator Cap
The Motorcraft RS-527 radiator cap maintains proper cooling system pressure and prevents coolant loss during engine operation. This genuine Ford component is engineered to precise specifications, ensuring reliable sealing and pressure regulation across varying engine temperatures. The spring-loaded valve opens at the correct pressure threshold to allow coolant expansion while preventing system overpressurization. Motorcraft's quality construction resists corrosion and degradation from coolant chemicals and engine heat. The secure fit on compatible radiators prevents leaks and air entry that could compromise cooling efficiency. Replace a worn or damaged cap with this dependable OEM part to restore cooling system integrity and maintain optimal engine temperature control.