Description
This genuine Bosch Common Rail High-Pressure Fuel Pump is engineered to deliver precise fuel pressure for modern diesel engines. It is fitted to Cummins and Komatsu platforms using the Bosch CP3 common rail system, ensuring reliability, efficiency, and compliance with emissions standards.
Bosch Part Number: 0445020109 / 0 445 020 109
OEM Cross References:
Cummins: 4989266
Komatsu: 6754721012 / 6754-72-1012
Additional Bosch references: 0986437310, 0986437375
Applications
Cummins Engines: QSB 4.5, QSB 6.7, ISB-series (where specified)
Komatsu Engines: SAA4D107, SAA6D107 and other equipment using Bosch
Common Uses: Construction machinery, agricultural equipment, industrial machines, and heavy-duty applications requiring Bosch CP3 pumps
Why Choose Our Pumps
Genuine Bosch product
Supplied through Cairns Diesel Service trusted Australian diesel specialists
Calibrated and tested on an authorized test bench
Ready-to-install pump ensuring correct fuel delivery and pressure
Installation & Maintenance Notes
Always install with correct gaskets and seals
Ensure the fuel system is primed to avoid air lock and premature wear
Connector tubes and sealing washers should be inspected and replaced if required
Warranty & After-Sales Support
All Bosch pumps supplied by Cairns Diesel Service are covered by a 12-month / 20,000 km warranty. Technical advice and after-sales support are available from our experienced team.
Core Exchange
This pump is supplied new, so no core charge applies.
Bosch – 0986437375
Cummins – 4989266
Komatsu – 4 989 266
Komatsu – 6754721012
Before fitting your Common Rail components, please read our Common Rail Procedure