Bosch New CP3 Diesel Fuel Injection Pump – 2003–2007 Dodge Ram 5.9L Cummins (Part #0445020147)
Restore peak fuel system performance with this New Bosch CP3 Diesel Fuel Injection Pump (Part #0445020147) designed for 2003–2007 Dodge Ram trucks equipped with the 5.9L Cummins diesel engine. Built to original equipment specifications, this brand-new CP3 pump provides the precise high-pressure fuel delivery required for proper common-rail system operation and dependable engine performance.
The CP3 injection pump is a critical component of the Cummins fuel system, responsible for delivering consistent fuel pressure to the rail and injectors. Over time, a worn or failing pump can cause hard starting, low rail pressure, poor fuel economy, and reduced engine power. Replacing it with a new OEM CP3 pump ensures your truck receives reliable fuel delivery and factory-level performance.
Engineered as a direct-fit replacement, this pump installs easily with stock components and is ideal for restoring reliability in daily drivers, work trucks, and stock performance builds. Because it is a brand-new OEM unit, it offers maximum durability and long-term performance compared to rebuilt alternatives.
Key Features
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Bosch brand-new CP3 diesel fuel injection pump
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Part Number: 0445020147
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Designed for 2003–2007 Dodge Ram 5.9L Cummins diesel engines
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Direct-fit replacement for the factory CP3 pump
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Delivers precise high-pressure fuel for common-rail systems
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Restores proper engine performance, starting, and fuel efficiency
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Built to original equipment manufacturer specifications
Vehicle Fitment
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2003 Dodge Ram 2500 / 3500 – 5.9L Cummins
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2004 Dodge Ram 2500 / 3500 – 5.9L Cummins
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2005 Dodge Ram 2500 / 3500 – 5.9L Cummins
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2006 Dodge Ram 2500 / 3500 – 5.9L Cummins
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2007 Dodge Ram 2500 / 3500 – 5.9L Cummins
If your truck is experiencing low fuel rail pressure, hard starting, or loss of power, replacing the pump with this new OEM CP3 injection pump is a dependable way to restore the performance and reliability your Cummins engine was built for.
