QSB Electronic Diesel Engine High-Pressure Fuel Pump – Precision-Engineered Replacement Part, Compatible with Cummins QSB Series Engines, Model Number 5302736 (also cross-referenced as Bosch Part Number 0445020609), Designed for Optimal Fuel Delivery, Enhanced Combustion Efficiency, and Reliable Performance Under Demanding Operational Conditions. This OEM-Specification High-Pressure Fuel Pump Features Advanced Electronic Control Integration, Robust Cast-Aluminum Housing, Precision-Machined Plunger Components, and Sealed Ball-Bearing Drive Mechanism to Ensure Consistent Pressure Output, Extended Service Life, and Seamless Compatibility with Modern Common-Rail Diesel Fuel Systems.