Original Mopar radiator cap

Original Mopar radiator cap pressure 21 for engines 3.6 and 5.7 and 6.1, designed to precisely adjust the cooling system pressure, raise the boiling point of the coolant, protect the engine during high thermal loads, prevent radiator and expansion tank leaks, provide stable operation reliability, and offer OEM compatibility for Dodge and Chrysler and Jeep cars without any modification. 6.1L 3.6L 5.7L 2.4L 3.7L 4.0L