Fleece Performance Duramax LML CP3 Conversion Hardware Kit for 2011-2016 2500/3500 Models

Convert your LML's fuel system from a CP4 to a CP3. 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. Avoid a costly failure down the road and convert your CP4 to a CP3 on the 2011-2016 LML Duramax platform. Our kits provide you with OEM quality components including a brand new Bosch CP3, 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 and filter applications. This kit does not include a CP3 injection pump. Features: High flow CP3 feed and return fittings Preformed feed and return fuel lines 50-state compliant EO# D-834-1 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 feed line FCA extension harness Fuel temperature sensor mounting bracket Low pressure fuel feed lines Hardware kit Application Notes: No FCA regulator table changes are required when converting from the CP4 to a stock CP3 when using this kit. Patent Pending Recommended Cross Sell Skus - FPE-DMAX-CP3/FPE-34563

• High flow CP3 feed and return fittings
• Preformed feed and return fuel lines
• 50-state compliant
• EO# D-834-1

Upgrade your 2011-2016 GM Duramax LML 2500 or 3500 with the Fleece Performance CP3 Conversion Hardware Kit, designed to replace the less reliable CP4 fuel system with a high-performance Bosch CP3 pump. This comprehensive kit enhances fuel system reliability and improves fueling capacity, helping prevent costly failures associated with the stock CP4 pump. The kit includes OEM-quality components such as a brand new Bosch CP3 pump, preformed high-flow fuel feed and return lines, and precision-machined fittings to ensure a seamless upgrade. These high-flow fittings and molded hoses are engineered for durability and optimal fuel flow, supporting aftermarket lift pump and filter setups for increased performance.

Features:

• High flow CP3 feed and return fittings enhance fuel delivery capacity

• Preformed fuel lines simplify installation and ensure proper fit

• 50-state compliant with EO# D-834-1 for legal use nationwide

• Includes high-pressure fuel line, mounting adapter, and necessary hardware

• Supports aftermarket lift pumps and fuel filters without modifying the ECU

Air Freight Prohibited: false
Not Carb Approved: false
Carb Eo Number: D-834-1
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: Compliant
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1