L5P Duramax CP4 Failure and the CP3 Conversion That Fixes It
The 2017 and up L5P Duramax runs a CP4.2 pump that can grenade and take the whole fuel system with it. Here is the CP3 conversion that ends the risk.
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Why Your Cummins Needs a FASS Lift Pump, and How to Pick One
The factory in-tank lift pump is the weak link feeding your injection pump. Here is what a FASS system actually does and how to size one for your Cummins.
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Duramax LML CP4 Failure and the CP3 Conversion That Fixes It
The 2011 to 2016 LML Duramax runs the same problem CP4 pump as the Ford. Here is why owners convert back to a CP3 and what the kit includes.
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Ford 6.7 Power Stroke CP4 Conversion: The Permanent Fix
A bypass kit limits the damage when a CP4 fails. A pump conversion removes the CP4 entirely. Here is the difference and when to step up to a conversion.
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