PAI 181887 Thermostat 180°F – Cummins N14 ISX M11 L10 ISM ISB QSB Cam WABCO: 4324130247

WABCO: 4324130247

Champ: FP888

and Mack 4069-H01501MS

Replace the oil pump body if the bore is out of spec

Verify your vehicle model year and engine configuration before ordering to confirm fitment

PAI 181887 Thermostat 180°F – Cummins N14 ISX M11 L10 ISM ISB QSB Cam WABCO: 4324130247PAI 181887 is a 180 F (82 C) non vented engine coolant thermostat for the Cummins heavy duty range (N14 ISX ISM M11 L10) and the mid bore ISB QSB B family in dual thermostat configurations. The 3. 19" OD body with 2. 27" ID seat replaces Cummins 4336659, 4973373, 4952204, 4318197, 3335550, and 2882757. Backed by PAI's 2 year unlimited mileage warranty. Signs You Need a New Thermostat Engine overheating or running hotter than normal Engine running cold