Fleece Performance 11-16 GM 2500/3500 Duramax LML CP3 Conversion Hardware Kit w/o Pump
SKU: 38515689370

Fleece Performance 11-16 GM 2500/3500 Duramax LML CP3 Conversion Hardware Kit w/o Pump

Sale price$470.70 Regular price$523.00
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Description

Fleece Performance 11-16 GM 2500/3500 Duramax LML CP3 Conversion Hardware Kit w/o PumpConvert 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

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

Installation Instructions
Datasheet
Warranty

This Part Fits:

Year Make Model Submodel
2015-2016 Chevrolet Silverado 2500 HD High Country
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 3500 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 GMC Sierra 2500 HD Base
2011-2016 GMC Sierra 2500 HD Denali
2011-2016 GMC Sierra 2500 HD SLE
2011-2016 GMC Sierra 2500 HD SLT
2011-2014 GMC Sierra 2500 HD WT
2015-2016 GMC Sierra 3500 HD Base
2011-2016 GMC Sierra 3500 HD Denali
2011-2016 GMC Sierra 3500 HD SLE
2011-2016 GMC Sierra 3500 HD SLT
2011-2014 GMC Sierra 3500 HD WT
Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 38515689370

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Robert O.
Belleville, US
★★★★★ 5
Very Nice! For the Price.
Color: Gray, Style: Yoga Mat
Very Nice!, for the price. It’s not as dense as a $50-$80 mat, but it’s $18. Plenty comfortable. My biggest concern was if it would have that cheap China Smell. No chemical smell at all. This mat is quite nice and functional.
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Reviewed in the United States on March 24, 2026
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Lorenz Weissel
New York, US
★★★★★ 5
Great value, nice and thick
Color: Green, Style: Yoga Mat
This mat is closer to a gym mat than a yoga mat, which was a very pleasant surprise. I just needed something for daily stretching, and this is perfect. Way more plush than a yoga mat, and a lot less expensive than the trendier mat options. Seems to be made well, but only time will tell.
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Reviewed in the United States on March 4, 2026
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rebecca rickey
Houston, US
★★★★★ 5
Soft and cushiony but supportive
Color: Pink Dahlia, Size: 1 inch
Definitely strong cushioned floor mat Very comfortable to do exercises on knees and back good quality and easy to roll up Lightweight but strong and dense I love the pink color too Highly recommend
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Reviewed in the United States on April 21, 2026
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Pat & Gen
Louisville, US
★★★★★ 5
Best mat I have seen in a while.
Color: Blue Mist, Size: 1 inch
I'm glad I bought this it is perfect thickness (very soft and comfortable) and it is easy to store. Easy to pull out and use as well as good quality.
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Reviewed in the United States on April 30, 2026
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Jullie
West Palm Beach, US
★★★★★ 5
over 1+ years use and it’s still great quality 😩
Color: Violet Haze, Size: 1 inch
have had this mat since june 2024 and it’s still in amazing quality!! it’s so comfy, thick and soft which is why i bought it. i feel like i could use this thing on a rocky ass ground and i wouldn’t feel anything but squishy-ness lol so protection is so good. the color is still vibrant too (i got the lavender color) which i love!! really makes such a huge difference in my energy when i workout, making me feel like dat gooorl 👏🏼 i’m 5”2’ so there’s ample space for me. definitely slip resistant, im able to perform lunges with one leg on and off. also love the band you can wrap around it so you can transport it anywhere :) just purchased a black one for my hubby which is why i’m here again hehe
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Reviewed in the United States on December 5, 2025

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