2004.5–2007 5.9L Cummins Fuel Injectors & Components

Shop fuel injectors and related components for 2004.5–2007 5.9L Cummins applications. This collection includes new, remanufactured and performance injectors plus nozzles, connector tubes, fuel rails, high-pressure lines, harness parts and rail-pressure components.

Injector selection changes across Cummins generations and, in several year ranges, by engine rating or vehicle application. Use the exact model year and current injector, pump or turbo number because the 2004 mid-year break is important.

17 products

Choosing 2004.5–2007 5.9L Cummins Fuel Injectors

The 2004.5–2007 group covers the later high-output 5.9L common-rail platform. Industrial Injection catalogs this range separately from 2003–2004 because injector, turbo and other application details change at the mid-2004 break.

This collection includes new, remanufactured and performance injectors plus nozzles, connector tubes, fuel rails, high-pressure lines, harness parts and rail-pressure components. Some listings are complete injectors while others are nozzles, connector tubes, rails, lines, seals or installation-related components. Use the product title and specifications to confirm exactly what is included.

Use the exact model year and current injector, pump or turbo number because the 2004 mid-year break is important. Performance injectors should be considered with pump capacity, turbocharger airflow, tuning and intended use rather than selected by horsepower rating alone.

Related Cummins collections: Engines & Engine Parts, Injection Pumps & Fuel Supply, Turbochargers & Turbo Parts.

Frequently Asked Questions

What fuel-injection system does the 2004.5–2007 5.9L Cummins use?

The 2004.5–2007 platform uses high-pressure common-rail injection with a CP3 pump.

Why is 2004.5 separated from 2003–2004 for Cummins injectors?

The mid-2004 break is important in the 5.9L common-rail parts catalog. Industrial Injection lists later injectors separately, so use the exact model year and current injector number.

Do Cummins remanufactured injectors have a core charge?

Some remanufactured injector listings require a refundable core while new injectors and supporting components may not. Core requirements are product-specific, so check the individual product page before ordering.

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