3500015 Heavy-Duty Coolant Heater $177.35 Quantity discounts available QuantityPrice Quantity -+ Add to Cart Details 1000 Watts120 Volts44mm DiameterReplaces Core Plug on Center of Right SideHeater Kit Includes Special High Temperature Cordset Fo... Details Back Details1000 Watts120 Volts44mm DiameterReplaces Core Plug on Center of Right SideHeater Kit Includes Special High Temperature Cordset For Engines: C7 (4.4L) 3114 (4.4L) 3116 (6.6L) 3126 (7.2L) 3126B (7.2L) CFE (Caterpillar/Freightliner Engine)