Product Description
S&S Diesel CP3-CU-10-HS is a brand-new, 6.7L-based 10mm High Speed CP3 engineered for stable rail pressure and high-RPM fueling on 2003–2018 Dodge Ram Cummins 5.9L/6.7L 24-valve trucks. If you’re moving beyond stock injectors, towing heavy, or chasing power with reliability, this pump is the proven choice.
- Brand-new Bosch-based S&S CP3 (not reman)
- 10mm displacement, high-speed optimization for superior output at RPM
- Direct bolt-on for 5.9L (2003–2007) and 6.7L (2007.5–2018) common-rail Cummins
- Excellent drivability and consistency under load
Fitment
- 2003–2007 Dodge Ram 2500/3500 5.9L Cummins (common rail)
- 2007.5–2018 Dodge/Ram 2500/3500 6.7L Cummins
What’s Included
- 1 × S&S Diesel CP3-CU-10-HS (10mm High Speed CP3, 6.7L-based) — brand new
- Core-free new pump (no core return)
- Manufacturer documentation
Recommended Parts (from CPP Diesel)
- CP3 Pumps & Components Category — lines, hardware, dual fueler parts, and more.
- Cummins 3957079 CP3→Rail High-Pressure Line (5.9L) — replace if damaged or contaminated.
- Cummins 4932457 Fuel Control Actuator (5.9L) — CP3 metering valve for 2003–2007.
- Cummins 4306993 Rail Pressure Sensor (6.7L) — refresh if readings are erratic.
- FASS 165 GPH Lift Pump (600–900 HP) or No-Drop Series 165 GPH — ensure clean supply and stable pressure.
- Shop All S&S Diesel at CPP — injectors, higher-mm CP3s, and reverse-rotation options.
Install Notes
- Cap all open fuel ports/lines to prevent contamination; flush any rusty/dirty system before reassembly.
- Typical OE torque for HP line nuts is ~30 lb-ft (41 N·m). Always follow current S&S/Cummins procedure for your exact year/line.
- Verify FCA connector style and rail sensor compatibility by VIN/ESN.
Why Buy From CPP Diesel
- Diesel specialists, fast shipping, and real support for 5.9L/6.7L builds
- Deep in-stock selection of fuel system parts to do the job once
FAQ
Do I need tuning with the CP3-CU-10-HS?Generally no for basic setups, but fueling demand (injectors/turbo) and emissions equipment can affect requirements. Many choose to optimize with custom calibration for best results.
Is this a brand-new pump or a reman?
Brand-new S&S pump built on the latest 6.7L-based CP3 architecture.
What lift pump should I pair with this CP3?
For performance and longevity, we recommend a 165 GPH system such as the FASS options above to maintain supply volume and filtration quality.
Will it fit both 5.9L and 6.7L?
Yes—this unit is designed for 2003–2018 Ram Cummins 5.9L and 6.7L common-rail applications.
Any special torque specs?
Follow current service info for your truck. As a general guide, high-pressure line nuts are typically ~30 lb-ft (41 N·m); always verify for your exact application.
