Description
New PAI water pump, part number 181933, for Cummins ISX engines. 12-rib pulley. Step-mount design: the EGR mounting surface is stepped, not flush with the pump mounting face. Cross-references Cummins 3687130, 4386570, 6305092, RX5406043, 5406043, 5719762. Confirm fitment by original part number before ordering.





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