Red Dot 4379-RD564300 High Pressure Switch – Normally Open 300/210 PSI AD-IP with a 1 3/4-12 UN

with a 1 3/4-12 UN mounting thread and 99% filtration efficiency at 20 microns

Inspect the crankshaft sealing surface for a wear groove during service

1843029C91

Navistar: 554762C1

Ford OEM: 4C3Z12B599AB

Red Dot 4379-RD564300 High Pressure Switch – Normally Open 300/210 PSI AD-IP with a 1 3/4-12 UNBuilt for Class 8 A C service, the 2601259 pressure switch ships ready to install. This normally open pressure switch controls fan override and compressor cycling at elevated A C pressures. 1 4" female thread fitting for universal compatibility. Signs You Need a New High Pressure Switch Cooling fan not engaging at high pressure A C system pressure not regulating properly Compressor running continuously without pressure relief High pressure cutout not