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  • DODGE CUMMINS
  • FORD POWERSTROKE
  • GM DURAMAX
  • COMMERCIAL / INDUSTRIAL
  • CUMMINS CONVERSION PARTS
  • CPP GEAR
  • USED PARTS
  • SHOP BY BRAND

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    • FUEL SYSTEM

    FUEL SYSTEM — 13–18 RAM 6.7L CUMMINS

    Build a reliable, high-flow fuel system for your 2013–2018 Ram 2500/3500/4500/5500 with proven parts from CPP Diesel. From stock service to 1,000+ HP builds, we carry CP3 injection pumps, injectors, lift pumps, filters, rails & sensors, and all the lines, fittings, and controllers to tie it together — featuring S&S Diesel, Exergy, BD Diesel, Fleece Performance, Industrial Injection, FASS, and more.

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    Fitment

    Compatible with 2013–2018 Ram 2500/3500/4500/5500 trucks equipped with the 6.7L Cummins.

    Frequently Asked Questions

    Do 2013–2018 trucks use a CP3 or CP4?

    All 2013–2018 Ram 6.7L Cummins trucks use a CP3 high-pressure pump from the factory. CP4 conversions are only for 2019+ CP4-equipped trucks.

    What size CP3 should I choose for my goals?

    Stock to light towing builds typically use an OEM-flow CP3. Street/ towing performance builds often step to a 10mm or 12mm unit. Extreme sled-pull/drag applications may benefit from a 14mm or dual CP3 setup with proper tuning and airflow.

    Do I need a lift pump on a stock truck?

    While not required, a quality lift pump helps maintain consistent supply pressure, improves filtration, and extends CP3/injector life — especially when tuned or towing heavy.

    Which fuel filters do 13–18 trucks use?

    Common service parts include Mopar 68157291AA (chassis filter) and 68197867AB (WIF/separator). See our dedicated filter category below.

    Can I mix brands (e.g., FASS pump with S&S or Exergy CP3)?

    Yes. Our components are designed to integrate with OEM and most aftermarket systems. Verify hose sizes/fittings and use quality wiring/controllers where needed.

    Note: Race-only components may not be emissions legal for highway use. Confirm local regulations.

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