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89-93 5.9L CUMMINS

1989–1993 Dodge Ram Cummins Parts (5.9L 12-Valve)

The first-gen Dodge Cummins (1989–1993) introduced the legendary 5.9L 12-valve platform. At CPP Diesel, you’ll find both OEM Cummins parts and CPP-built performance upgrades to restore factory reliability or build a powerful, efficient street, tow, or competition setup.

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Why Buy from CPP Diesel?

We’re Cummins specialists. Expect precise fitment guidance, premium brands, fast shipping, and parts that perform. From stock restorations to high-power builds, CPP Diesel is your first-gen 12-valve partner.

1989–1993 Dodge Cummins FAQ

What makes the 1989–1993 Dodge Cummins special?

These trucks pair a 5.9L 12-valve Cummins with a mechanical VE pump—renowned for durability, towing power, and excellent fuel economy.

What are the most popular first-gen Cummins upgrades?

VE pump improvements, fresh injectors, performance turbos, head studs & gaskets, exhaust systems, and transmission upgrades.

Do you carry OEM Cummins parts?

Yes—CPP Diesel stocks a full range of OEM Cummins components alongside proven CPP Diesel performance solutions.

How can I improve fuel economy on my 12-valve?

Tune the VE pump, run efficient injectors, pair with an appropriately sized turbo, add a free-flowing exhaust, and maintain the cooling system.

Will 1989–1993 parts fit later models?

Many components are first-gen specific—always check product fitment for your exact year.