PAI MHV-4223 Water Heater Shutoff Valve – Cummins 855 / Mack E6 Engines Cummins X15 Hard to engage gears at

Hard to engage gears at a complete stop

Representative platforms with these engines:

53252 (SuperNova 10-diode

Cummins K38

320 with Cummins)

PAI MHV-4223 Water Heater Shutoff Valve – Cummins 855 / Mack E6 Engines Cummins X15 Hard to engage gears atThe PAI MHV 4223 is an aftermarket water heater shutoff valve for Cummins 855 series (Small Cam through FFC) and Mack E6 diesel engines. The manual valve sits inline on the cab heater coolant supply, letting drivers stop hot coolant flow during warm months or for heater core service. Direct replacement for Cummins 212042 157098, Mack 25MF126 25152120, and International 288192 288192C91. Signs You Need a New Heater Shutoff Valve Coolant leak at the