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PAI · Cooling System
181821
In stock · ships from Knoxville
This is a water pump assembly for Cummins ISM, M11, and L10 diesel engines (1991 and newer).
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Part data verified against 5 catalog sources
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It circulates coolant through the engine and radiator to maintain proper operating temperature. Replace when you notice coolant leaks from the weep hole, bearing noise, or overheating. This aftermarket PAI pump directly replaces Cummins OE part number 3803403 and includes the water pump with a 3-bolt flange and necessary gaskets/O-rings.
Part Number: 181821
CUMMINS WATER PUMP 3803403
Vendor: PAI Industries
Dealer: KP Services Crossville
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