2011 – 2015 LML Duramax CP4 to CP3 Conversion Kit with CP3 Pump
The CP3 fuel pump is proven to have longevity and to be reliable in performance applications.
Remove the Worries
The CP4 has known failure issues that cannot be remedied. These issues, if they occur, can cause damage to other major fuel system components.
This Kit Requires Tuning
This kit will need custom tuning to be able to run properly.