MB5D –

PAI Industries 181925 aftermarket oil cooler thermostat for compatible Cummins ISX and QSX diesel engines, including applicable 15-liter engine configurations.

This 235°F oil cooler thermostat regulates engine oil temperature by controlling oil flow through the engine’s oil cooling system. It helps maintain the proper operating temperature of the engine oil during operation, supporting effective lubrication and engine cooling.

The PAI 181925 is designed as an aftermarket replacement for Cummins OEM part numbers 4952629 and 3680453. It is suitable for compatible oil cooler repairs, thermostat replacement, and diesel engine rebuilding applications.

Product Specifications:

Manufacturer: PAI Industries
PAI Part Number: 181925
OEM Reference: Cummins 4952629
Part Type: Engine Oil Cooler Thermostat
Opening Temperature: 235°F (113°C)
Engine Applications: Cummins ISX and QSX
Engine Displacement: Applicable 15-liter configurations
Engine System: Lubrication / Oil Cooling
Condition: New Aftermarket
Quantity: 1 Thermostat
Gasket or Seal Included: No

This thermostat is intended for compatible Cummins oil cooler assemblies requiring a 235°F thermostat.

Verify compatibility using your engine serial number, original part number, and required thermostat opening temperature before ordering.

M-3680453

PAI 181925 Oil Cooler Thermostat 235°F – Cummins ISX QSX 4952629