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  See all Fuel Components products
Fleece Performance No Pump LML CP3 Conversion Hardware Kit Duramax 2011-2016 - FPE-LML-CP3-NP
Improve your LML Duramaxs 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 LML CP3 converstion kit provides you with OEM fit-and-finish features like our Fleece Performance 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. 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
  • 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
Notes:
  • No FCA regulator table changes are required when converting from the CP4 to a stock CP3 when using this kit.
  • Dorman 904-484 or CTA 3477 fuel line quick disconnect tool recommended for use when installing this kit.

Other Part Numbers:
Fleece Performance #FPE-LML-CP3-NP-FQWW

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⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Fleece Performance Banner

Who is Fleece Performance?

Fleece Performance is an aftermarket company established in 2008 in North Salem, IN, by Brayden and Chase Fleece. The company is known for manufacturing performance parts for various diesel engines. Today, Fleece Performance is the leading brand in the market when it comes to diesel aftermarket parts. 

Diesel Performance Parts Experts

The company’s founders Brayden and Chase, are fellow enthusiasts themselves. They decided that they wanted to improve the products already existing in the market. Using their vehicle as their product’s testbed, they created some of the best parts available today. As a result, they have established a reputation as a brand that provides innovative products that pushed the limits of diesel performance technology.

Quality Made Products

The company offers a wide range of turbochargers, AN Fittings, Fuel system parts, and cylinder head kits. They cater to a variety of automotive brands such as Ford, Dodge, and Chevy. Each product is carefully designed to produce optimum performance and is developed, assembled, and tested in their in-house facility. 

The company received its ISO certification in 2020, which shows that the company adheres to the strict standard set by the regulators.

Purchase Fleece Performance Products At Vivid Racing

If you are in the market for high-quality diesel performance parts, then Fleece Performance is the brand for you. They have been manufacturing quality parts for more than ten years and has gained the trust of many diesel enthusiast and racers alike. To know more about Fleece Performance, visit Vivid Racing and check out their list of products that fit your specific need.

Fleece Performance Engineering develops and manufactures performance productsfor the diesel automotive industry. Throughout the design, validation, and manufacturing process our products are tailored to the high performance diesel community. We understand that the high performance industry will inherently push hardware to its failure point.We stand behind our products and are confident that when integrated in the appropriate application they will live a long and successful life.

LIMITED WARRANTY ON NEW FLEECE PERFORMANCE ENGINEERING PRODUCTS (US AND CANADA ONLY)

Fleece Performance Engineering will provide for repairs or replacement, at its option, during the warranty period of each new product model listed on page 2 in accordance with the following terms, conditions, and limitations: View HERE
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Sale price None
Wholesale price $751.25
Shipping Weight: 4.00
Length: 16
Width: 12
Height: 3
Product Added At Thursday 02 August, 2018
Product Modified At Friday 11 July, 2025
Imported By ETLOverride
Last Edited By vendordata@vividracing.com
View In Admin

Emissions Info
Carb Approved Yes
Carb Number D-834-1
Epa Status Compliant
Prop65 Unknown
Carb Required -
Vendors
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Vendor Inv Cost Retail Jobber MAP Core Updated
Fleece Performance $636.65 $786.45 $674.10 $749.00 ? 2025-07-11 06:02:31


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