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Engineered Diesel

CP3 - IMPROVED Stock - Cummins 5.9L 2003 - 2007

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25.00 LBS
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Product Description

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CP3 - IMPROVED Stock - Cummins 5.9L 2003 - 2007


Replaces Part# 0986437304, 0 986 437 304, 986437304



 FREE Standard shipping for lower 48!


This is Engineered Diesel's Improved Stock CP3. 

We started with a BRAND NEW OEM CP3, then we redesigned the internal components for increased flow & reliability throughout the RPM range. The greatest increase in flow will be seen at higher RPMs. When compared to a stock CP3, our Improved Stock CP3 is much more durable!


- Plungers are DLC coated 

- Polygon is DLC coated 

- Cam is Rockwell 65 hardness 

- Lifters are Rockwell 65 hardness 

- Micro Polished lifters 

- Highflow suction valves 

- Modified housing for increased case pressure resulting in better plunger fill rate



*Built off of a 6.7L pump. Feed line modifications are necessary when installing onto a 5.9L*

The 6.7L supply inlet is in the rear of the case instead of the side of the case (like the 5.9L). When using an aftermarket lift pump, you can reroute the fuel hose like in the picture below or change to a straight fitting.



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