DDP 2017-Present L5P Duramax CP3 Conversion Kit

DDP 2017-Present L5P Duramax CP3 Conversion Kit converts the factory high-pressure fuel system to a Dan's Diesel Performance CP3 setup.

Choose a 10mm, 12mm, or 14mm pump based on injector size and horsepower goals. The kit includes the CP3 pump with mounting flange and drive gear, nickel-treated high-pressure lines, feed and return fittings, rail-port cap, and FCA extension harness.

• Fitment: 2017-present GM 6.6L L5P Duramax
• 10mm: intended for moderate performance combinations
• 12mm: rated around 1,050 HP and recommended for trucks with 100-200% over injectors
• 14mm: intended for competition trucks with built engines and very large injectors
• Warranty: Manufacturer warranty varies by pump selection

Contact Lucky Diesel before ordering if you need help confirming fitment or supporting fuel-system requirements.