Cummins Water Pump without Housing, 3684450

Water pump cartridge without volute housing.
Please note: This is just the water pump core as shown in photo. It does not include the housing. If you require the complete water pump assembly with back housing attached, please order item 3684449 instead. 
replaces: 3684450, 3683651, 4386576, 4386576RX 
Fits Cummins QSX15 CM2350 X105 X106 CM570 3684450
*Please be aware that there are various water pumps for the ISX/QSX Cummins Engines. If you are unsure which pump you need, please call us with your engine serial number and we can look it up for you.
You can trust in our quality heavy duty water pumps and water pump components for your industrial, agricultural or long haul trucking needs. Every pump is 100% tested and our relationship with OEM has helped us to become masters of the complex assembly and testing of our water pumps for these very demanding and extreme applications.