Fleece Performance Duramax LML CP3 Conversion Hardware Kit — Fits 2011-2016 GM 2500/3500

SKU: FPEFPE-LML-CP3-NP
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Fleece Performance

Fleece Performance engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Fleece Performance lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Duramax LML CP3 Conversion Hardware Kit

Upgrade your 2011-2016 Duramax LML fuel system with the Fleece Performance CP3 Conversion Hardware Kit. This kit is designed for enthusiasts looking to replace the factory CP4 pump with the proven, reliable CP3 injection pump platform. By switching to a CP3, you significantly improve fuel system reliability and longevity, making it a popular choice for high-performance builds.

Kit Highlights

  • Hardware Only: Ideal if you have already sourced your own CP3 pump.
  • Complete Integration: Includes all necessary brackets, fittings, and hardware for a seamless installation.
  • CARB Compliant: Features EO: D-834-1 for emissions-conscious builds.
  • Engineered for Durability: Built to withstand the high-pressure demands of modified diesel engines.

This conversion kit eliminates the risks associated with the factory CP4 pump, which is known for catastrophic failure. By installing this hardware, you ensure your fuel delivery system is robust enough to support increased horsepower and torque. Designed specifically for the 2011-2016 GM 2500/3500 trucks, this kit provides a professional-grade solution for your fuel system upgrade. Experience improved performance and peace of mind with this high-quality conversion kit from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2011-2016 Chevrolet Silverado 2500 HD LT
2011-2016 Chevrolet Silverado 2500 HD LTZ
2011-2016 Chevrolet Silverado 2500 HD WT
2015-2016 Chevrolet Silverado 2500 HD High Country
2011-2016 Chevrolet Silverado 3500 HD LT
2011-2016 Chevrolet Silverado 3500 HD LTZ
2011-2016 Chevrolet Silverado 3500 HD WT
2015-2016 Chevrolet Silverado 3500 HD High Country
2011-2014 GMC Sierra 2500 HD WT
2011-2016 GMC Sierra 2500 HD Denali
2011-2016 GMC Sierra 2500 HD SLE
2011-2016 GMC Sierra 2500 HD SLT
2015-2016 GMC Sierra 2500 HD Base
2011-2014 GMC Sierra 3500 HD WT
2011-2016 GMC Sierra 3500 HD Denali
2011-2016 GMC Sierra 3500 HD SLE
2011-2016 GMC Sierra 3500 HD SLT
2015-2016 GMC Sierra 3500 HD Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About Fleece Performance

Fleece Performance engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Fleece Performance lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Duramax LML CP3 Conversion Hardware Kit

Upgrade your 2011-2016 Duramax LML fuel system with the Fleece Performance CP3 Conversion Hardware Kit. This kit is designed for enthusiasts looking to replace the factory CP4 pump with the proven, reliable CP3 injection pump platform. By switching to a CP3, you significantly improve fuel system reliability and longevity, making it a popular choice for high-performance builds.

Kit Highlights

  • Hardware Only: Ideal if you have already sourced your own CP3 pump.
  • Complete Integration: Includes all necessary brackets, fittings, and hardware for a seamless installation.
  • CARB Compliant: Features EO: D-834-1 for emissions-conscious builds.
  • Engineered for Durability: Built to withstand the high-pressure demands of modified diesel engines.

This conversion kit eliminates the risks associated with the factory CP4 pump, which is known for catastrophic failure. By installing this hardware, you ensure your fuel delivery system is robust enough to support increased horsepower and torque. Designed specifically for the 2011-2016 GM 2500/3500 trucks, this kit provides a professional-grade solution for your fuel system upgrade. Experience improved performance and peace of mind with this high-quality conversion kit from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2011-2016 Chevrolet Silverado 2500 HD LT
2011-2016 Chevrolet Silverado 2500 HD LTZ
2011-2016 Chevrolet Silverado 2500 HD WT
2015-2016 Chevrolet Silverado 2500 HD High Country
2011-2016 Chevrolet Silverado 3500 HD LT
2011-2016 Chevrolet Silverado 3500 HD LTZ
2011-2016 Chevrolet Silverado 3500 HD WT
2015-2016 Chevrolet Silverado 3500 HD High Country
2011-2014 GMC Sierra 2500 HD WT
2011-2016 GMC Sierra 2500 HD Denali
2011-2016 GMC Sierra 2500 HD SLE
2011-2016 GMC Sierra 2500 HD SLT
2015-2016 GMC Sierra 2500 HD Base
2011-2014 GMC Sierra 3500 HD WT
2011-2016 GMC Sierra 3500 HD Denali
2011-2016 GMC Sierra 3500 HD SLE
2011-2016 GMC Sierra 3500 HD SLT
2015-2016 GMC Sierra 3500 HD Base

Product Details

Product Description

About Fleece Performance

Fleece Performance engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Fleece Performance lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Duramax LML CP3 Conversion Hardware Kit

Upgrade your 2011-2016 Duramax LML fuel system with the Fleece Performance CP3 Conversion Hardware Kit. This kit is designed for enthusiasts looking to replace the factory CP4 pump with the proven, reliable CP3 injection pump platform. By switching to a CP3, you significantly improve fuel system reliability and longevity, making it a popular choice for high-performance builds.

Kit Highlights

  • Hardware Only: Ideal if you have already sourced your own CP3 pump.
  • Complete Integration: Includes all necessary brackets, fittings, and hardware for a seamless installation.
  • CARB Compliant: Features EO: D-834-1 for emissions-conscious builds.
  • Engineered for Durability: Built to withstand the high-pressure demands of modified diesel engines.

This conversion kit eliminates the risks associated with the factory CP4 pump, which is known for catastrophic failure. By installing this hardware, you ensure your fuel delivery system is robust enough to support increased horsepower and torque. Designed specifically for the 2011-2016 GM 2500/3500 trucks, this kit provides a professional-grade solution for your fuel system upgrade. Experience improved performance and peace of mind with this high-quality conversion kit from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2011-2016 Chevrolet Silverado 2500 HD LT
2011-2016 Chevrolet Silverado 2500 HD LTZ
2011-2016 Chevrolet Silverado 2500 HD WT
2015-2016 Chevrolet Silverado 2500 HD High Country
2011-2016 Chevrolet Silverado 3500 HD LT
2011-2016 Chevrolet Silverado 3500 HD LTZ
2011-2016 Chevrolet Silverado 3500 HD WT
2015-2016 Chevrolet Silverado 3500 HD High Country
2011-2014 GMC Sierra 2500 HD WT
2011-2016 GMC Sierra 2500 HD Denali
2011-2016 GMC Sierra 2500 HD SLE
2011-2016 GMC Sierra 2500 HD SLT
2015-2016 GMC Sierra 2500 HD Base
2011-2014 GMC Sierra 3500 HD WT
2011-2016 GMC Sierra 3500 HD Denali
2011-2016 GMC Sierra 3500 HD SLE
2011-2016 GMC Sierra 3500 HD SLT
2015-2016 GMC Sierra 3500 HD Base

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