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CAPS Fuel Injection Pumps

High Quality Pumps for Cummins C Series 8.3L & 8.9L Engines

For use in heavy duty on-road and agricultural applications

CAPS Pumps

Why Buy From Us?


  • All pumps have an upgraded gear pump driver as a standard replacement part.
  • All electronic components are tested separately before being assembled.
  • The entire pump is thoroughly tested on our proprietary testing equipment that interfaces with InSite and all codes, pressures and temperatures are monitored to ensure a fault free pump.
  • We have higher minimum gear pump specifications to eliminate hard or no start conditions commonly associated with our competitor’s minimum.
  • ISO compliant and MERA Manufactured Again certified remanufacturing facilities.
  • Factory-trained experienced technicians.
  • Unparalleled technical support.

Our Reman Process

  • 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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