Bostech's line of new heavy-duty water pumps are backed by our 24-month unlimited mileage warranty. We offer 50 plus skus covering most diesel engine applications. Our pumps are quality engineered according to the OEM's design and assembled with high-performance bearings, durable long-lasting seals, and for most applications upgraded impellers. Top-quality product direct from a Trusted Manufacturer - Bostech!
Fitment:
- Cummins 3.9L B-Series
- Cummins 5.9L ISB
Technical Information:
- Housing Material: Cast Iron
- Impeller Material: Steel
- Impeller Vanes: Shielded 5 Vanes
- Pulley Style: Smooth with slant top
- Pulley Diameter: 3.464 in / 88mm
- Mounting: 2 Bolt
Note: There are 3 Cummins 5.9L Water Pumps which look identical with the exception of the impeller, please verify:
- WP03300 - Steel Impeller with 5 shielded vanes
- WP03302 - Cast Iron Impeller with 7 vanes
- WP04278 - Steel Impeller with 5 open vanes
- Housing Material:
- Cast Iron
- Impeller Material:
- Steel
- Impeller Style:
- Shielded 5-Vanes
- Pully Diameter:
- 3.464 inches / 88mm
- Prop65 Warning:
- WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov