Interchange Part Number: 2173, CU2173, RAD2173, DPI2173, CU2310, 2310, DPI2310, RAD2310, FO3010151, 431384, FD37071A, 6L5Z8005DA,1F2015200, 1F2215200, 1F2315200, 1F2515200. The radiator cap that has not passed the test can’t release the pressure when it reaches the pressure value.
