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The Fleece Performance CP3 conversion kit replaces the CP4 on 2011–2016 LML Duramax trucks, restoring the earlier CP3 pump architecture to improve fueling capability and reduce catastrophic CP4 failure risk. This complete, no-tune kit ships with a new Bosch CP3, high-flow feed and return fittings, preformed molded hoses, a CP3-to-rail high-pressure line, valley feed provisions for aftermarket lift-pumps and filters, sensor bracket and hardware.
Fleece Performance 11-16 GM 2500/3500 Duramax LML CP3 Conversion Kit w/CP3
