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FUEL SYSTEM

FUEL SYSTEM — 2019–2024 RAM 6.7L CUMMINS

Restore reliability and add capability to your 5th-Gen Cummins with curated CP3 conversions, high-flow CP3 pumps, injectors, lift pumps, filters & housings, and OE hard lines. CPP Diesel stocks emissions-conscious solutions plus race-only parts (where noted) for daily drivers, tow rigs, and competition builds.

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Featured Components

CP4-to-CP3 Conversion (2019–2020 trucks)

Lift Pumps & Air/Fuel Separation

Injectors (2019+ specific)

Filters, Housings & Plumbing

Why Upgrade with CPP Diesel?

  • Reliability: CP4-to-CP3 kits and quality lift pumps protect injectors and the high-pressure system.
  • Serviceability: Under-bed spin-on conversions and OE housings simplify filter changes.
  • Scalability: From stock SO injectors to 200% over race sets and 14mm CP3s, we support any build.

Fitment Notes

  • Designed for 2019–2024 Ram 2500/3500 6.7L Cummins. Check each product page for SO vs. HO trim and year coverage.
  • Many 2019–2020 trucks used CP4; CP3 conversion kits shown above address that configuration. 2021+ trucks are CP3-equipped.

Frequently Asked Questions

Do I need tuning with a CP3 conversion?
Options include a No-Tune S&S kit, plus competition kits that require custom calibration. Match the kit to your use case.

What lift pump flow should I choose?
Stock/tow rigs: ~100–165 GPH (FASS 100–165, AirDog 100). Higher power: 165–250+ GPH (AirDog II-5G 165, FASS 165–250).

Which injectors are right for me?
For stock-like manners, choose S&S TorqueMaster SO. For power builds, step to 50–200% over sets and pair with appropriate CP3 and lift pump capacity.

Should I upgrade filtration?
Yes—stick with OE-quality filters or convert to a spin-on under-bed setup for lower service cost and better water separation.

Need help sizing a pump or injector set? Call 724-785-4022 and our Cummins specialists will spec a package for your goals.