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CP4 Catastrophic Failure Replacement Kit with CP3 Conversion Kit with Recalibrated Pump No Tuning Required, C.A.R.B Certified

Fits: 2011-2016 GM/Duramax
Pricing: $4,605.00

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LML Duramax CP4 to CP3 Conversion Kit with Recalibrated Pump No Tuning Required. 50 State Legal, CARB Certified

Replace your less reliable, problem prone CP4 with the tried and proven CP3 Pump with Conversion kit. This kit comes complete with a recalibrated
S&S Motorsport CP3 Pump. Recalibrating the CP3 to match the fuel flow specifications of the LML means no EFI Live tuning is required to achieve optimum engine performance. This kit is designed for vehicles that have kept their DPF/Environmental Control system in place.

This kit includes everything that is needed for a complete conversion using only the highest quality OEM parts.

Kit includes:

1-S&S Motor Sports conversion kit
1-S&S Motor Sports CP3 Pump(Recalibrated no tuning needed)
8-New Bosch LML Fuel Injectors #0-445-119-010
1-Passenger Side Fuel Rail(RH) #12620532
1-Drivers Side Fuel Rail (LH) #12651989
1-Fuel Return Hose Assembly #12639000

Injectors have a special Core Price of $300.00, Fully refundable upon receipt of your cores

Additional Available Options; See Drop Down to select

High Pressure Fuel Line Kit Option:


2-High Pressure Fuel lines #12670468 (1&8)
2-High Pressure Fuel lines #12670469 (3&6)
2-High Pressure Fuel lines #12670471 (4&5)
2-High Pressure Fuel lines #12670460 (2&7)

High Pressure Fuel Line to Rail to Rail Option:

1-HP Fuel line Fuel Rail to Fuel Rail #12670466

Complete Catastrophic failure Gasket kit Available (See Drop Down)

Shipping Information

  • Item Requires Shipping
  • 45.0 lbs.
  • W14.0000” x H14.0000” x L24.0000”

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