Diesel Water Pumps
Diesel water pumps move coolant through your engine and keep operating temperatures in check under hard, sustained load. A failing pump means overheating, a stranded truck, and downtime you can't afford. JAK'S Diesel stocks heavy-duty and Class 8 water pumps from PAI Industries and other trusted lines, cross-referenced to OEM and competitor numbers so you get the right pump the first time.
Browse the pumps below. Not sure which one fits your engine? Send us your OEM, casting, or competitor part number and we'll confirm the correct replacement before you buy.
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Can't Find the Right Part?
Text us the part number or a photo of the tag — we'll cross-reference it and quote you the right one.