Product Description
S&S DIESEL CP3-CU-6.7 is a brand-new 6.7L-based Bosch CP3 high-pressure fuel pump designed for 2003-2018 Ram Cummins 5.9L and 6.7L applications.
Built on the 6.7C CP3 architecture for improved high-rpm control and durability, this pump is an excellent OE-style replacement and a strong foundation for performance applications requiring stable rail pressure throughout the usable RPM range.
Important: 6.7L-based CP3 pumps require minor fuel line changes when installed on 2003-2007 5.9L Cummins applications.
FEATURES
- Brand-new Bosch-based CP3 fuel injection pump
- Built on 6.7C CP3 architecture
- Improved high-rpm rail pressure stability
- Designed for 5.9L and 6.7L Cummins applications
- New pump assembly, not remanufactured
- Excellent replacement for worn factory CP3 pumps
- Suitable for stock, towing, and performance applications
FITMENT
- 2003-2007 Ram 2500 and 3500 5.9L Cummins
- 2007.5-2018 Ram 2500 and 3500 6.7L Cummins
Fitment Note: 2003-2007 5.9L Cummins trucks require a 5.9L to 6.7L CP3 high-pressure line adaptation kit for installation.
WHAT'S INCLUDED
- New S&S Diesel CP3-CU-6.7 CP3 pump
- Assembled and calibrated new CP3 assembly
- 6.7C-based high-pressure fuel pump configuration
RECOMMENDED PARTS
- 5.9L to 6.7L CP3 high-pressure line adaptation kit
- Replacement FCA or MPROP valve
- Fuel filtration service kit
- Fuel injection lines and hardware
- Additional CP3 fuel system components
HELPFUL NOTES
- 6.7C-based CP3 pumps installed on 5.9L applications require high-pressure line adaptation
- CP3 pump flow behavior varies by pump size and configuration
- Proper fuel filtration is critical for CP3 pump longevity
- Inspect fuel lines and FCA components during installation
SPECIFICATIONS
- Manufacturer: S&S Diesel Motorsport
- Part Number: CP3-CU-6.7
- Pump Type: Bosch CP3 high-pressure fuel pump
- Platform: 6.7C architecture
- Engine Compatibility: 5.9L and 6.7L Cummins
- Fitment Years: 2003-2018
- Condition: New
- Fuel System Type: Common rail diesel
FAQ
Will this 6.7L-based CP3 work on my 2003-2007 5.9L Cummins?
Yes. This pump can be used on 2003-2007 5.9L Cummins applications, but a 5.9L to 6.7L high-pressure line adaptation kit is required.
Is this pump remanufactured?
No. S&S Diesel CP3-CU-6.7 is a brand-new CP3 pump built on the 6.7C platform.
Do I need tuning with this pump?
Most stock-output applications do not require custom tuning for this OE-style replacement CP3 pump.
What should I replace during installation?
Fresh fuel filters, FCA or MPROP inspection, and checking fuel line condition are strongly recommended during installation.
What are the advantages of the 6.7C CP3 design?
The 6.7C-based CP3 architecture offers improved high-rpm rail pressure control and enhanced durability compared to earlier CP3 variants.
