Description:

Item: 2 Pack Radiator Cap Assembly Fit for Nissan Replace 21430-8991A 21430-8997A 6L2Z8100AC (137kPa (1.3)). Replaces Part Number: 21430-8991A, 21430-8997A, 10267 33086, 7520, T-20R, 214308999C, 6L2Z8100AC, 31564, 21430-1P111.. Function: The 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.. Symptoms of a Bad Radiator Cap: air enters the system, low coolant level, coolant leaks, overflowing reservoir, overheating engine..