Cummins Water Pump Buyers GuideUpdated 3 years ago
Bostech's line of Cummins water pumps, covered by 13-Month Unlimited Mileage Warranty. The below chart is for reference to determine the correct water pump needed for your Cummins engine.
Part # | Application | Year | Engine | Housing Material | Impeller Material | Pulley Diameter | Impeller Vane Style | Pulley Style | Mounting Style | Special Note |
Cummins 3.3L | ||||||||||
WP04883 | 3.3L B Series | Cast Iron | ||||||||
Cummins 3.9L | ||||||||||
WP03300 | Ag & HD Truck Applications | 3.9L B Series | Cast Iron | Steel | 3.465 in / 88mm | Shielded 5 | Smooth / Slant Top | 2-Bolt | ||
WP04278 | Ag & HD Truck Applications | 3.9L B Series | Cast Iron | Steel | 3.465 in / 88mm | Open 5 | Smooth / Slant Top | 2-Bolt | ||
Cummins 5.9L | ||||||||||
WP03300 | 1998-2009 Dodge / Ram 2500-3500 | Ag & HD Truck Applications | 1989-2007 | 5.9L ISB | Cast Iron | Steel | 3.465 in / 88mm | Shielded 5 | Smooth / Slant Top | 2-Bolt | |
WP03302 | Dodge / Ram 2500-3500 | Ag & HD Truck Applications | 2007-2012 | 5.9L ISB / ISBE | Cast Iron | Cast Iron | 3.465 in / 88mm | Open 7 | Smooth / Slant Top | 2-Bolt | Upgraded Impeller (OE plastic to cast) |
WP04278 | Bus & HD Truck Applications | 1998-2007 | 5.9L B Series | Cast Iron | Steel | 3.465 in / 88mm | Open 5 | Smooth / Slant Top | 2-Bolt | |
Cummins 6.7L | ||||||||||
WP03302 | 2007-2012 Dodge / Ram 2500-5500 | 2007-2015 HD Applications | 2007-2015 | 6.7L B Series | Cast Iron | Cast Iron | 3.465 in / 88mm | Open 7 | Smooth / Slant Top | 2-Bolt | Upgraded Impeller (OE plastic to cast) |
WP03371 | Ram 2500-5500 | 2013-2018 | 6.7L ISB | Cast Iron | Cast Iron | 3.228 in / 82mm | Open 7 | Smooth / Slant Top | 2-Bolt | Upgraded Impeller (OE plastic to cast) |
WP04303 | Automotive Bus Applications | 2007 | 6.7L ISB | Cast Iron | Cast Iron | 4.00 in / 101.6mm | Open 7 | Smooth / Slant Top | 2-Bolt | |
WP04688 | HD Truck Applications | 2011-2020 | 6.7L ISB | Cast Iron | Cast Iron | 3.712 in / 94mm | Open 7 | Smooth / Slant Top | 2-Bolt | Upgraded Impeller (OE plastic to cast) |
Cummins 8.3L | ||||||||||
WP04304 | Ag & HD Truck Applications | 8.3L C Series | Cast Iron | Steel | 4.475 in / 114mm | Shielded | Smooth / Flat Top | 3-Bolt | Short Nose | |
WP04305 | Ag & HD Truck Applications | 8.3L ISC | Cast Iron | Steel | 4.320 in / 110mm | Open 5 | Smooth / Slant Top | 3-Bolt | ||
WP04306 | Ag & HD Truck Applications | 8.3L C Series | Cast Iron | Steel | 4.320 in / 110mm | Shielded | Smooth / Slant Top | 3-Bolt | Long Nose | |
WP04418 | Ag & HD Truck Applications | 8.3L ISC | Cast Iron | Steel | 4.331 in / 110mm | Open 5 | Smooth / Slant Top | 3-Bolt | ||
WP04444 | Ag & HD Truck Applications | 8.3L ISC | Cast Iron | 3.795 in / 96mm | Smooth / Flat Top | 3-Bolt | ||||
WP04792 | Ag & HD Truck Applications | 8.3L ISC | Cast Iron | Cast Iron | 3.465 in / 88mm | Smooth / Flat Top | 3-Bolt | |||
WP04952 | Bus & Marine Applications | 8.3L ISC | Cast Iron | Steel | 3.465 in / 88mm | Smooth / Slant Top | 3-Bolt | |||
WP04975 | Ag & HD Truck Applications | 8.3L C Series | Cast Iron | 3.465 in / 88mm | Smooth / Slant Top | 3-Bolt | Long Nose | |||
Cummins 8.9L | ||||||||||
WP04418 | Ag & HD Truck Applications | 8.9L ISL | Cast Iron | Steel | 4.331 in / 110mm | Open 5 | Smooth / Slant Top | 3 bolt | ||
WP04444 | Ag & HD Truck Applications | 8.9L ISL | Cast Iron | 3.795 in / 96mm | Smooth / Flat Top | 3-Bolt | ||||
WP04792 | Ag & HD Truck Applications | 8.9L ISL | Cast Iron | Cast Iron | 3.474 in / 88mm | Smooth / Flat Top | 3-Bolt | |||
WP04669 | Ag & HD Truck Applications | 1991 & Later | 8.9L L10 | Cast Iron | Cast Iron | No Pulley | Recessed 6 | No Pulley | 3 bolt | Long Shaft |
WP04920 | Ag & HD Truck Applications | 8.9L L10 | Cast Iron | Cast Iron | No Pulley | Recessed 6 | No Pulley | Short Shaft | ||
Cummins 10.8L | ||||||||||
WP04455 | Ag & HD Truck Applications | 10.8L ISM / M11 w/ EGR | Cast Iron | Cast Iron | No Pulley | Recessed 6 | No Pulley | Long Shaft | ||
WP04669 | Ag & HD Truck Applications | 1991 & Later | 10.8L M11 | Cast Iron | Cast Iron | No Pulley | Recessed 6 | No Pulley | 3 bolt | Long Shaft |
WP04708 | Ag & HD Truck Applications | 10.8L ISM / M11 | Cast Iron | Cast Iron | No Pulley | Recessed 6 | No Pulley | 3 bolt | Short Shaft | |
WP04920 | Ag & HD Truck Applications | 10.8L M11 | Cast Iron | Cast Iron | No Pulley | Recessed 6 | No Pulley | Short Shaft | ||
Cummins ISX | ||||||||||
WP04361 | Ag & HD Truck Applications | 1991-2006 | 14.0L N14 | Cast Iron | Steel | Shielded | Grooved | |||
WP04936 | Ag & HD Truck Applications | 1991 & Later | 14.9L ISX | Cast Iron | Cast Iron | N/A | 10 Groove | |||
WP04034 | Ag & HD Truck Applications | 2003-2016 | 14.9L ISX | Cast Iron | Cast Iron | N/A | 12 Groove | |||
WP04052 | Ag & HD Truck Applications | 2007-2020 | 14.9L ISX | Cast Iron | Cast Iron | Open 7 | 12 Groove | Pump Only | ||