SKU: 87868019259

2011-2016 LML CP3 Conversion Kit with CP3K

Sale price$972.90 Regular price$1081.00
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Description

2011-2016 LML CP3 Conversion Kit with CP3KConvert your LML's Fuel System from a CP4 to a CP3 The stock CP4 is only capable of supporting up to ~500rwhp and was introduced as a cost reduction to the LML platform since a smaller amount of fuel is required when running the more efficient piezoelectric injectors. Since its introduction, the CP4 has proven to be less reliable and less capable than the CP3 used in previous Duramax platforms. A CP3K is capable of supporting 600+ rwhp in conjunction

Convert your LML's Fuel System from a CP4 to a CP3

The stock CP4 is only capable of supporting up to ~500rwhp and was introduced as a cost reduction to the LML platform since a smaller amount of fuel is required when running the more efficient piezoelectric injectors. Since its introduction, the CP4 has proven to be less reliable and less capable than the CP3 used in previous Duramax platforms.A CP3K is capable of supporting 600+ rwhp in conjunction with the piezoelectric injectors. The reliable and proven PowerFlo 750 is capable of supporting nearly 850+ rwhp.

Kit Contents: 

High Pressure Fuel Rail Line
Fuel Rail Plug and Nut
CP3 Block Adapter with O-ring
(3) CP3 Block Adapter Bolts (Flange Head, M8x1.25x35mm)
CP3 Pump Fittings – 3/8”
CP3 Pump Fittings – 1/2"
(2) Sealing Washers
Low Pressure Fuel Feed Line –
3/8”x8” Flexible Fuel Line with Hose Clamps (CP3 Return)
1/2”x30” Flexible Fuel Line with Hose Clamps (Filter to CP3)
3/4” P-Clamp
Fuel Return Line Block Off with O-ring

 

Installation Instructions

LML CP3 Conversion Fuel Pressure Regulator Table

NO CORE CHARGE ON CP3 PUMP!

 

WARNING

  • This product is not legal in the state of California.
  • When used incorrectly this product may violate local, state, and federal laws pertaining to emissions, traffic, registration, and safety.
  • Use of this product may damage or destroy mechanical and/or electrical components of this vehicle.
  • Use of this product may void or nullify the vehicles factory warranty.
  • User understands that motorsports are dangerous, and that installation of this product may subsequently require special driving skills or techniques to safely operate the vehicle.
  • User assumes sole responsibility for the safe, proper, and legal use of the vehicle at all times.
  • The purchaser and end user releases, indemnifies, discharges, and holds harmless Fleece Performance Engineering, Inc. from any and all claims, damages, causes of action, injuries, or expenses resulting from or relating to the use or installation of this product that is in violation of the terms and conditions on this page, the product disclaimer, and/or the product installation instructions. Fleece Performance Engineering, Inc. will not be liable for any direct, indirect, consequential, exemplary, punitive, statutory, or incidental damages or fines cause by the use or installation of this product.
  • This product may not work with the EGR cooler installed. It may need to be removed.
  • This product MUST be used in conjunction with custom tuning calibrations. Failure to install the correct calibrations can result in engine damage.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 87868019259

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Julie Kinch
San Leandro, US
★★★★★ 3
Squeek Toy inside stopped after 25 minutes
Set name: Grizzly Bear
Squeezing toy inside lasted 25 minutes
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026
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Amazon Customer
Massapequa, US
★★★★★ 5
Big hit.
Set name: Orangutan, Set name: Orangutan
Our dogs love this guy.
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Reviewed in the United States on March 4, 2026
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Neil Ginsberg
Natrona Heights, US
★★★★★ 5
Fantastic Dog Toy!!!
Color: Purple
This is a great toy!!! My dog has lots of toys. But one of the problems is he has trouble getting the squeaker to squeak. He's an 18 lb terrier mix, and those squeakers are just elusive. Breaks my heart. This one, though, the squeakers (there are two) are in small areas (head and tail), that are easy for him to get his whole mouth around and squeak. They also don't move, which also makes them easy to squeak. So he's been squeaking up a storm since he got this! Other plusses: * The material is great (soft, furry material, that seems to be of good quality). * The toy expands and contracts, which is fun. * It's pleasant to look at. All in all, I'd say this is one of the best dog toys I've ever bought for my dog. Highly recommended!
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Reviewed in the United States on January 11, 2015
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Shari O
Fort Morgan, US
★★★★★ 5
Great Toy in Spite of Everything.
Color: Purple
My dog is a border collie. She loves chewing, fetching, tug of war and catch. The first day we had this toy she chewed off two of the feet. I didn't give it much of a life span. Two weeks later she chewed off a third foot. Miraculously no stuffing was exposed. It has now been a month and the toy is still going strong, albeit with one foot! She loves it. It is now June 1st. It has been almost three months and I am retiring the toy. It no longer has any feet and the tail has been ripped open and stuffing is coming out. All in all I think I got my money's worth from this toy. I ordered another one. She still loves it!
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Reviewed in the United States on March 29, 2014
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lynette Lane
Belleville, US
★★★★★ 5
Toys
Color: Orange
My dog loves this
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Reviewed in the United States on June 5, 2026

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