This fuel/water separator fits the following engines equipped with DAVCO Diesel Pro 245 housings:
Engine ECU misbehavior at idle or shift points (no VSS signal)
Visible coolant seep at the thermostat housing (replace seal at the same time)
Screw assembly — PAI 640045 (OEM Detroit Diesel A4720140583) (qty 18)
Uneven braking or vehicle pulling to one side
Cummins 3408627 Temperature Switch Replacement Purge Valve Kit This fuel/water separator fits thePAI Industries 050686 water temperature switch is a direct replacement for Cummins 3408627, used on Cummins K19, KTA19, and QSK19 engines. Three pin oval connector, 1 2" 14 NPT thread, brass body installs in the same coolant port as the OE Cummins switch. Specifications Manufacturer PAI Industries Part Number 050686 Part Type Water Temperature Switch Engine Compatibility Cummins K19, KTA19, QSK19 Thread Size 1 2" 14 NPT Connector Oval, 3 pin Overall