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CP4 Fuel Injection Pumps

High Quality Pumps for Dodge, Ford, and Chevy/GMC

CP4 Pumps

Why Buy From Us?


  • Built with 100% OEM parts.
  • ISO compliant and MERA Manufactured Again certified remanufacturing facilities.
  • Factory-trained experienced technicians.
  • Tested to OEM standards on a Bosch EPS815.
  • Unparalleled technical support.

Our Reman Process

Make Your CP4 Last

Prevent Failures & Prolong the Life of Your CP4 Pump:

  • It is particularly important with CP4 pumps to never use an aftermarket "tuner", boost kit, or emission control delete.
  • Always change fuel filters regularly. It is recommended that fuel filters be changed every 5000 miles despite the manufacturers recommendations.
  • We recommend only using OE filters with CP4 Pumps.
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  • 40+ Years of Diesel Expertise

    The Diesel Store is part of the Seidel Diesel Group who was founded in 1981 and are the industry experts with thousands of years of combined knowledge.

  • Premium Products

    We don't just rebuild. All of our pumps and injectors are remanufactured to meet rigorous OEM standards using the latest technology.

  • The Right Parts Delivered

    We focus on getting you the right parts for your diesel application as fast and as accurately as possible so you can get back up and running.

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