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PAI Industries · Cooling System
181879
In stock · ships from Knoxville
This is a complete water pump assembly kit for Cummins ISX heavy-duty diesel engines.
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Kit covers both 6‑rib and 12‑rib pulley versions. Replaces OE part numbers 4089158, 4089910, 5473364, and others.
Part data verified against 4 catalog sources
Numbers this part supersedes or interchanges with. Showing 14 of 14.
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It includes a new water pump, O-rings, and necessary hardware to replace the original pump. The pump circulates coolant through the engine block and radiator to maintain safe operating temperatures, and should be replaced when you notice coolant leaks, bearing noise, or overheating. It is a direct aftermarket replacement for the OEM pump number 4089158.
Part Number: 181879
CUMMINS WATTER PUMP KIT OEM 4089158
Vendor: PAI Industries
Dealer: KP Services Crossville
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