The Ultimate CP4.2 For Your 6.7L Power Stroke
For more than a decade, dealerships, independent shops, and private truck owners have been dealing with CP4.2 failures. The twin-piston, high-pressure fuel pump employed on the ’11-present 6.7L Power Stroke (as well as the ’11-’16 LML Duramax) has a long history of self-destructing and wrecking the entire fuel system when it lets go. In an insta
