PAI 853746 Pressure Switch │ Replaces Mack 20489118 Hood mount pivot bushing 9 mm) Thread Size 7/8-14

9 mm) Thread Size 7/8-14 UNF-2B Engine Compatibility Cummins ISC 8

Signs You Need a New Exhaust Pressure & Temperature Sensor

School buses and transit buses

Trailer sitting low on one side or with uneven ride height

PAI 853746 Pressure Switch │ Replaces Mack 20489118 Hood mount pivot bushing 9 mm) Thread Size 7/8-14The PAI 853746 is an aftermarket air brake stop lamp low pressure switch for Mack and Volvo on highway tractors. Normally open contacts close at roughly 2 6 psi to power the brake light circuit when service brake air is applied. 2 pin oval connector, 2. 44 in overall. Direct replacement for Mack Volvo 20489118. Signs You Need a New Pressure Switch Brake lights stay on with the pedal released Brake lights fail to illuminate when the service brake is