Search
Filters
Close
Vehicle Fitment CheckConfirm vehicle details before checkout
Secure SSL CheckoutYour data is always protected
Fast, Easy ShippingShips from trusted partners
Parts Legion on eBayVisit our store

Parts Legion product listing

Fleece Performance 11-16 GM 2500/3500 Duramax LML CP3 Conversion Kit w/HD CP3

Fleece Performance Part number: FPE-LML-CP3-10 In stock
Ready for checkout Secure this part for your build
$2,968.92
Secure checkout Availability and delivery details shown below Ask for fitment help
Availability: In stock
Part number: FPE-LML-CP3-10
Manufacturer: Fleece Performance
Fleece Performance 11-16 GM 2500/3500 Duramax LML CP3 Conversion Kit w/HD CP3
In stock — usually ships within 1 business day

Improve your LML Duramax's reliability and fueling capability with a CP3 conversion. Since its introduction, the CP4 has proven to be less reliable and less capable than the CP3 used in previous Duramax platforms. Failures of the CP4 are extremely costly and require replacement of the entire fuel system. Our kit provides you with OEM fit-and-finish features like a brand new Bosch CP3 with heavy duty 10mm cam, Fleece exclusive molded hoses for the fuel feed and return, high flow CP3 fuel fittings, and our valley feed line to support aftermarket lift pump applications. Features: Heavy Duty CP3 with 10mm displacement cam High flow CP3 feed and return fittings Preformed feed and return fuel lines Kit Contents: CP3 to rail high pressure fuel line High flow CP3 feed and return fuel fittings Preformed feed and return fuel lines CP3 mounting adapter Dosing injector fuel lines and mounting bracket FCA extension harness Low pressure fuel feed lines Hardware kit Application Notes: This kit has been tested for use in stock application trucks that did not utilize a fuel lift pump. For optimal performance, if the truck is equipped with a lift pump, the feed pressure to the CP3 should not exceed 2 psi. Engine surging may be induced by the additional fuel pressure of a lift pump operating at pressures over 2 psi. For higher lift pump pressures, FCA table values will require adjustment. Covered under SC-E Emissions certificate #: SC-FLC01-0013 What LML CP3 Conversion Kit is right for you?

We've got a number of choices when it comes to CP3 conversion kits, let us help you in the proper selection: FPE-LML-CP3-NP: Our "No Pump" kit for the LML CP3 conversion gives you the option to select your own CP3 pump for your application. Our kit provides you with all of the hardware you need to adapt a LBZ/LMM based Bosch CP3 to your 2011-2016 LML Duramax. FPE-LML-CP3-WP: Our "With Pump" kit for the LML CP3 conversion gives you a brand new LBZ/LMM Bosch CP3 along with all of the hardware you need to convert your CP4 equipped Duramax to a CP3. This kit is designed for use with or without a low pressure lift pump. For optimal performance, if the truck is equipped with a lift pump, the feed pressure to the CP3 should not exceed 11 psi when utilizing this kit. FPE-LML-CP3-10: Our Heavy Duty kit for the LML CP3 conversion features a brand new LBZ/LMM Bosch CP3 equipped with a Fleece Performance 10mm stroker cam along with all of the hardware you need to convert your CP4 equipped Duramax to a CP3. This kit is designed for use with or without a low pressure lift pump. For optimal performance, if the truck is equipped with a lift pump, the feed pressure to the CP3 should not exceed 2 psi. A lower rate spring is available from Fleece Performance for customers with a PowerFlo lift pump. Engine surging may be induced by the additional fuel pressure of a lift pump operating at pressures over 2 psi. For higher lift pump pressures, FCA table values will require adjustment.

Fleece Performance 11-16 GM 2500/3500 Duramax LML CP3 Conversion Kit w/HD CP3

LML CP3 Conversion Kit with Heavy Duty CP3 for 2011-2016 Duramax

Recommended Cross Sell Skus - FPE-34563/FPE-34564

Heavy Duty CP3 with 10mm displacement cam

High flow CP3 feed and return fittings

Preformed feed and return fuel lines

Fleece Performance Fuel Pump

Fuel Pump

88 vehicle listings Source data lists this part for the vehicles shown below. Confirm engine, drivetrain, position, and other options before ordering.
2011 14 listings
Chevrolet Silverado 2500 HD LT
Chevrolet Silverado 2500 HD LTZ
Chevrolet Silverado 2500 HD WT
Chevrolet Silverado 3500 HD LT
Chevrolet Silverado 3500 HD LTZ
Chevrolet Silverado 3500 HD WT
GMC Sierra 2500 HD Denali
GMC Sierra 2500 HD SLE
GMC Sierra 2500 HD SLT
GMC Sierra 2500 HD WT
GMC Sierra 3500 HD Denali
GMC Sierra 3500 HD SLE
GMC Sierra 3500 HD SLT
GMC Sierra 3500 HD WT
2012 14 listings
Chevrolet Silverado 2500 HD LT
Chevrolet Silverado 2500 HD LTZ
Chevrolet Silverado 2500 HD WT
Chevrolet Silverado 3500 HD LT
Chevrolet Silverado 3500 HD LTZ
Chevrolet Silverado 3500 HD WT
GMC Sierra 2500 HD Denali
GMC Sierra 2500 HD SLE
GMC Sierra 2500 HD SLT
GMC Sierra 2500 HD WT
GMC Sierra 3500 HD Denali
GMC Sierra 3500 HD SLE
GMC Sierra 3500 HD SLT
GMC Sierra 3500 HD WT
2013 14 listings
Chevrolet Silverado 2500 HD LT
Chevrolet Silverado 2500 HD LTZ
Chevrolet Silverado 2500 HD WT
Chevrolet Silverado 3500 HD LT
Chevrolet Silverado 3500 HD LTZ
Chevrolet Silverado 3500 HD WT
GMC Sierra 2500 HD Denali
GMC Sierra 2500 HD SLE
GMC Sierra 2500 HD SLT
GMC Sierra 2500 HD WT
GMC Sierra 3500 HD Denali
GMC Sierra 3500 HD SLE
GMC Sierra 3500 HD SLT
GMC Sierra 3500 HD WT
2014 14 listings
Chevrolet Silverado 2500 HD LT
Chevrolet Silverado 2500 HD LTZ
Chevrolet Silverado 2500 HD WT
Chevrolet Silverado 3500 HD LT
Chevrolet Silverado 3500 HD LTZ
Chevrolet Silverado 3500 HD WT
GMC Sierra 2500 HD Denali
GMC Sierra 2500 HD SLE
GMC Sierra 2500 HD SLT
GMC Sierra 2500 HD WT
GMC Sierra 3500 HD Denali
GMC Sierra 3500 HD SLE
GMC Sierra 3500 HD SLT
GMC Sierra 3500 HD WT
2015 16 listings
Chevrolet Silverado 2500 HD High Country
Chevrolet Silverado 2500 HD LT
Chevrolet Silverado 2500 HD LTZ
Chevrolet Silverado 2500 HD WT
Chevrolet Silverado 3500 HD High Country
Chevrolet Silverado 3500 HD LT
Chevrolet Silverado 3500 HD LTZ
Chevrolet Silverado 3500 HD WT
GMC Sierra 2500 HD Base
GMC Sierra 2500 HD Denali
GMC Sierra 2500 HD SLE
GMC Sierra 2500 HD SLT
GMC Sierra 3500 HD Base
GMC Sierra 3500 HD Denali
GMC Sierra 3500 HD SLE
GMC Sierra 3500 HD SLT
2016 16 listings
Chevrolet Silverado 2500 HD High Country
Chevrolet Silverado 2500 HD LT
Chevrolet Silverado 2500 HD LTZ
Chevrolet Silverado 2500 HD WT
Chevrolet Silverado 3500 HD High Country
Chevrolet Silverado 3500 HD LT
Chevrolet Silverado 3500 HD LTZ
Chevrolet Silverado 3500 HD WT
GMC Sierra 2500 HD Base
GMC Sierra 2500 HD Denali
GMC Sierra 2500 HD SLE
GMC Sierra 2500 HD SLT
GMC Sierra 3500 HD Base
GMC Sierra 3500 HD Denali
GMC Sierra 3500 HD SLE
GMC Sierra 3500 HD SLT
Ask fitment help