COLD ADVANCE SWITCH 89-91 5.9 EARLY

Product Description

Cold Advance Switch 89-91 5.9 Dodge Cummins

The cold advance switch sends power to the wax motor on the injection pump when coolant temp is above 160 degrees to allow normal advance operation. Timing is advanced when under 160 degrees coolant temperature.

Fits: 1989, 1990, 1991 early – non intercooled

OE part number 4327028, 4429547