Our Selected Best Cp3 Conversion Kit For Lml Top 25 Model Reveled!

We all have had experiences of buying a cp3 conversion kit for lml and not being content with it. Most of the time it can be attributed to our lack of motivation to research properly. However, for those of you who are looking for the best cp3 conversion kit for lml, you are in luck.

There isn't one ‘right product’; The perfect cp3 conversion kit for lml varies from person to person. In this article, after going through intensive research, we have gathered all the strengths and weaknesses and general know-how of the best ones available.

Additionally, we made sure you got all the valuable information you need. You will also get to know about the different brands out there and what they offer. We can assure you that you will find a cp3 conversion kit for lml that best suits you.

So without any further ado, let’s get started!

Best cp3 conversion kit for lml – Top 18 Picks

Bestseller No. 1
Fleece Performance Emissions Compliant CP3 Conversion Kit & Pump FPE-LML-CP3-FF-EO Compatible with 2011-2016 Chevy Silverado/GMC Sierra 2500HD 3500HD 6.6L LML Duramax Diesel
  • Convert your 2011-2016 Duramax feet s fuel system from a CP4 to a CP3 high pressure pump and get performance and peace-of-mind. Since its introduction, the CP4 has proven to be less reliable and less capable than the CP3 used in previous Duramax platforms. Our newest kit includes all of the hardware necessary to replace the troublesome CP4 with a CP3 and requires no tuning changes and maintains all factory emissions controls.
  • CP3 Pump Billet CP3 Engine Block Adaptor High Pressure Fuel Rail Line Low Pressure Fuel Feed Line Return Fuel Hose
  • CP3 Feed Hose Fuel Rail Nut (3) CP3 Block Adapter Bolts (Flange Head, M8x1.25x35mm)
  • CP3 Pump Fittings 3/8 inch CP3 Pump Fittings 1/2 inch (2) 12mm Sealing Washers
  • Fit type: Vehicle Specific
Bestseller No. 2
Diesel CP4 to CP3 Injection Conversion Kit for 2011 2012 2013 2014 2015 2016GM LML Duramax 6.6L, Injection Pump Upgrade Conversion Set Lift Pump (US Stock)
  • ★FITS (For the reference) - 2011-2016LMLDuramax6.6L
  • ★NOTE - Installation Manual Is NOT Included; Professional Installation Is Highly Recommended
  • ★FUNCTION - This kit will allow the upgrade of your truck's CP4 pump to the far more reliable CP3. CP3 injection pumps are higher flowing and performance ones can support upwards of 600hp. Also allows for the removal of your factory fuel filter, further supporting the need for an upgraded fuel supply.
  • ★SPECIFICATION - Condition: New /Manufacturer Part Number: Does Not Apply /Interchange Part Number: 0 445 020 037, 0 986 437 332, 0445020037, 0986437332, 97361351 /Material: Metal /Color: Silver /Compatible Fuel: Diesel /Fitment Type: Direct Replacement
  • ★SERVICE GUARANTEE - Our products are shipped from the US warehouse, and we will ship your order through UPS/USPS and other logistics as soon as possible. If you have any questions, please feel free to contact us. We will try our best to resolve your issue within 24 hours.
Bestseller No. 4
PanDair 6.6L Diesel Injection Pump Upgrade Conversion Set,Upgraded Performance CP4 to CP3 Conversion Kit for 2011-2016 LML Duramax US Stock
  • ❏ PanDair Upgraded Performance CP4 to CP3 Conversion Kit.
  • ❏ 100% brand new and high quality, Durable.CP3 injection pumps are higher flowing and performance ones can support upwards of 600hp.Also allows for the removal of your factory fuel filter, further supporting the need for an upgraded fuel supply.
  • ❏ Interchange Part Number: 0 445 020 037, 0 986 437 332, 0445020037, 0986437332, 97361351
  • ❏ Fits (For the reference):2011-2016 LML Duramax 6.6L.
  • ❏ PanDair promise provide 100% satisfied after-sales service.Contact us for any problem, we will reply to help you solve your confusion.
Bestseller No. 5
Industrial Injection 436403 Conversion Kit With Pump (Tuning Reqd, 11-15 Gm Duramax 6.6L Lml Cp4 To Cp3)
  • Industrial Injection designs, manufactures and delivers the best products
  • Utilizing our experience with our Advanced technology and a strong desire to lead diesel innovation
  • Manufactured in United States
Bestseller No. 6
Fleece Performance Engineering -LML-CP3-FF-3K Fuel Pump Kit
  • Product Type:Auto Part
  • Item Package Dimension:38.1 cm L X38.862 cm W X40.64 cm H
  • Fits Multiple Makes And Models
  • Item Package Weight:10.954 Kilograms
Bestseller No. 7
CP4 - CP3 Injection Pump Upgrade Conversion LML For 11-16 GM 6.6 6.6L Duramax Diesel
  • 2011-2016 LML Duramax GM 6.6L
  • Upgraded Performance CP4 to CP3 Conversion Kit
  • Intercharge Part Numbers: FPE-LML-CP3-FF-NP , IIS436402, 436402
Bestseller No. 8
Fleece Performance Engineering FPE-LML-CP3-FF-NP Conversion Kit (11-13 GM Duramax 6.6L LML CP3 - w/o Pump)
  • 2011-2016 LML CP3 Conversion Kit - w/o Pump
  • Package Dimensions: 3 H x 16 L x 12 W (inches)
  • Package Weight: 4.0 pounds
SaleBestseller No. 9
Blackstone Propane to Natural Gas Conversion Kit for Grill, Griddle – Compatible with Blackstone 28", 36" Griddles, Tailgater, Rangetop Combo & Single Burner Rec Stove – Hose, Quick Connect Fitting
  • ENJOY UNENDED SUPPLY OF NATURAL GAS with Blackstone gas conversion kit. Our BBQ conversion kit makes sure you never have to worry about running out of gas during your next outdoor cooking venture. Very useful while grilling a big meal or for a crowd.
  • PREMIUM QUALITY: The 10 feet high-quality hose of our gas grill conversion kit is durable enough to take up the beating and flexible enough to move your gas device as needed. The solid brass fittings can survive the elements without rusting or premature damage.
  • COMPATIBILITY: Blackstone conversion kit is compatible with Blackstone 28" Griddles, 36" Griddles, Tailgater, Rangetop Combo, and Single Burner Rec Stove. Please note that it doesn't work with the Blackstone AirFryer Griddle Combo. The 1902 Culinary 36" Griddle is not compatible with natural gas in any capacity.
  • EVERYTHING INCLUDED KIT: The grill and griddle conversion kit from propane to natural gas includes a 10 feet (3/8") natural gas hose, 3/8" quick connect fitting, 16 natural gas orifices, 2 thread check gauges and a 7mm orifice wrench.
  • HASSLE-FREE INSTALLATION: You don't need to be mechanically inclined to install this BBQ natural gas conversion kit. All you need to do is to follow the detailed instructions and that's it. Plus, you won't be needing any fancy tools; a wrench and pipe dope are enough.
Bestseller No. 10
Zeberoxyz 2PCS Set GT2 Synchronous Wheel 20&60 Teeth 8mm Bore Aluminum Timing Pulley with 2PCS Length 200mm Width 6mm Belt (20-60T-8B-6)
  • ★Material: Made of high quality Aluminum Alloy, Surface oxidation treatment,durable, fine workmanship and high transmission accuracy
  • ★Accurate transmission: without slipping at work, having a constant gear ratio
  • ★Smooth transmission, precise tooth pitch, High transmission efficiency, energy-saving effect
  • ★Simple structure: Easy to install, easy to assemble and disassemble
  • ★Application Scope:Widely used in milling machine, gear shaper, drilling machine, hobbing machine or other machinery transmission occasions
Bestseller No. 11
Fleece Performance Engineering -DMAX-CP3K Duramax Cp3K
  • Package dimensions: 21.7 cms L x 26.2 cms W x 26.4 cms H
  • Package quantity: 1
  • Product type: Auto_Part
  • Fit type: Vehicle Specific
Bestseller No. 12
Airdog Lift Pump Filter A4SPBC089 Compadible with: (2011-2014) 6.6 L Duramax Diesel 150 GPH
  • Fits: 2011-2014 Chevy & GMC Duramax powered trucks
  • Supports 500-800 engine horespower
  • Package Dimensions: 20.32 L x 48.26 H x 34.29 W (centimeters)
  • Package Weight : 8.913 kilograms
Bestseller No. 13
Exergy Performance CP4.2 Inlet Metering Valve (FCA/MPROP) Fuel System Saver Improved Stock Inlet Metering Valve E05 10505 Compatible with 2011-2016 Chevy Silverado/GMC Sierra 6.6 LML Duramax Diesel
  • The CP4 Pump is prone to failure if the fuel system has any water or contaminated fuel introduced to it. When the pump fails, it will send metal contaminants throughout the entire fuel system which in most cases will ruin the injectors and other sensors and cost you several thousand dollars.
  • The System Saver Inlet Valve was designed to offer you peace of mind in the event of a CP4 Pump failure. The important difference between the OEM valve and the System Saver is the improvement made to the screen, which is upstream of the valve inlet. The OEM screen is a single 80 micron layer, and is a very flimsy design. In extreme cases the factory screen can actually tear, introducing massive amounts of debris (from the failed pump) into the injectors.
  • The System Saver Valve screen is rated at 25 microns and is wrapped in two layers. This improved micron rating and double wrap construction will do a much better job of keeping debris from entering the rest of the fuel system. It is also constructed in a manor where it will not be able to tear or de-laminate from the filter housing.
  • Another benefit to the screen is the fact that it will load up quicker than the factory screen in the event of a pump failure. This will choke off the valve sooner, which will bring the truck out of service and shut it down in a shorter amount of time. This is all positive for improving the chances injectors won't need to be replaced when a pump has failed.
  • Exergy has also flow tested the valve with the upgraded filter and there is no measurable loss of pump performance with the finer screen, even with a 10mm stroker CP4 pump at 4500 RPM. The screen and housing are constructed from stainless steel for corrosion resistance. And, as always, you can trust that Exergy products have been properly de-burred and are assembled using appropriate processes to ensure proper cleanliness.
SaleBestseller No. 14
Dozont 710-0003 Natural Gas Conversion Kit Compatible with Kitchen-aid Propane Gas Grill Conversion, 710-0003 Natural Gas Hose and Regulator for Propane Gas Grill Conversion-CSA Certified(10FT)
  • Works Perfectly:710-0003 natural gas conversion kit can convert the grill from using propane to using natural gas.can convert the grill from using propane to using natural gas. This natural gas conversion kit is equipped with 3/8" Female Flare by 1/2" Male Flare Brass Adapter, which is flexible in conversion. Without the hassle of getting to refill propane containers, which is very convenient.
  • Widely Applicable:Natural gas hose and regulator can convert the propane grill to use natural gas, perfectly Suitable for most models of KitchenAid brand gas grills,such as 720-0826, 720-0893, 720-0733,720-0709C, 720-0709,720-0709B, 720-0733A, 720-0819A, 720-0787, 720-0819B, 720-0745B, 720-0745,720-0745A, 720-0787D, etc. The natural gas conversion kit is equipped with a natural gas hose, which is also suitable for natural gas grill, fire pit, patio heater, pizza oven and portable generator.
  • Easy to Install and Use:The propane to natural gas conversion kit is a very easy conversion. For most kitchenaid brand propane grills, The grill comes with a conversion orifices, It just needs to remove the original propane orifice and replace the natural gas orifices. Equipped with 1/2" Quick Disconnect Plug Kit x 1/2" Female Flare Fittings, 3/8" Female Flare by 1/2" Male Flare Brass Adapter,You can quickly connect and disassemble this natural gas hose and natural gas regulator kit as needed.
  • Durable and safe: Natural gas hose is made of solid brass and durable high-quality rubber hoses, it is Comply with CSA certification. the natural gas regulator is made of high-quality metal materials to ensure durability and no leakage.
  • Reminder: Because the pressure of natural gas is lower than that of propane, a slightly larger orifice is required. However, some grills can be used only by installing a natural gas regulator. For details on whether to replace the orifice, please consult the grill supplier.
Bestseller No. 15
EVIL ENERGY 0928400666 Diesel Fuel Pressure Regulator Compatible with Dodge Ram Cummins 2003-2007 Diesel 5.9L
  • Replace OE Part Number: 0928400666, 4932457, 5183245AA. Inlet Port Diameter:0.12 in. Please check the OE number before purchasing, make sure this is the right part you need
  • Fitment/Compatibility: compatible with 2003-2007 5.9L Dodge Ram Cummins Diesel
  • Function: A adjustable fuel pressure regulator is used to maintain steady fuel supply, even during dramatic changes in fuel demand. The fuel pressure regulator regulates the fuel pressure against the air pressure/boost, this leads to that the fuel injector can maintain the perfect ratio between fuel and boost
  • Signs of a Bad Fuel Pressure Regulator: A faulty fuel injection pressure regulator can lead to a wide range of engine performance problems, include illuminated check engine light, poor fuel economy, black smoke from the exhaust, poor engine performance, etc. If the fuel pressure regulator is found to be bad, it should be replaced
  • We value your shopping experience and strive to offer a high-quality product and service. If you encounter any problems during the installation process, feel free to contact us via Amazon Mail
Bestseller No. 16
GRLP4 Range LP Conversion Kit Genuine Original Equipment Manufacturer (OEM) Part
  • This Is A Manufacturer Substitution. Part May Differ In Appearance But Is A Functional Equivalent To Prior Parts Including; 318565418,5304498798,5304498817,5304499345,5304499406,5304506291,318565427,808752801
  • Genuine Original Equipment Manufacturer (Oem) Part.
  • Range Lp Conversion Kit Grlp4 Is An Original Equipment Manufacturer (Oem) Part That Fits Frigidaire, Crosley, Tappan And White-Westinghouse Gas Ranges
  • A Qualified Technician Should Install This Lp Conversion Kit Because Of The Risk Of Explosion Or Fire If The Kit Is Installed Incorrectly
Bestseller No. 17
Highfine Replacement Fuel Gas Petcock Valve Tank Switch Pump for Yamaha ATV & Motorcycles 1986-2016,Kawasaki KLF 300 KLF300 Bayou ATV 1988-2005,Suzuki ATV LTZ 400 Quadsport 2003-2008
  • 100% Brand New and High Quality
  • Type:Replacement Petcock Switch Pump(OEM part,not Original)
  • Compatible with: Yamaha ATV & Motorcycles,Kawasaki ATV,Suzuki ATV
  • Package Includes: 1x Fuel Gas Petcock Valve Switch Pump
  • All parts are tested and quality controlled prior to shipment
Bestseller No. 18
Image Wash Products Wax Replacement (Foamable) - Protectant for Any Size Vehicle. Foam On/Rinse Off
  • Continues to protect the surface of your vehicle for over 30 days
  • Helps protect surfaces from contaminants (salt, dirt, etc) and UV rays
  • Immediately enhances gloss and shine
  • The most effective way to wax your big rig/farm equipment/RV/or other large equipment faster than ever before!
  • Repels rain and ice, which can improve visibility while on the road

Things to Consider Before Buying Best cp3 conversion kit for lml

In this section, we are going to present a buying guide. This buying guide will discuss all the essential parameters for choosing the proper cp3 conversion kit for lml according to your needs. Thus, you won't be perplexed by the numerous best cp3 conversion kit for lmls which are available on the market.

Hidden Cost

The real cost of a cp3 conversion kit for lml is always enlisted within it. But there might also be hidden costs like maintenance costs, that won't be mentioned directly. So, if you end up buying something without knowing about it, the total price may cross your budget in the long run.

Before buying, get a clear idea about all the hidden costs. So that, you can determine the extra money that you have to pay after the real price.


Durability is the ability to remain functional and stable without excessive repair. A less durable cp3 conversion kit for lml is susceptible to failure within a small period of usage.

We all want a cp3 conversion kit for lml with a longer lifespan. The longer the lifespan, the higher the expense will be. But still, it is better than a cheap cp3 conversion kit for lml that fails frequently.


If you’re shipping a cp3 conversion kit for lml from abroad, legality is a major issue. Before buying a cp3 conversion kit for lml, make sure the product you choose is legal in your state. Otherwise, you might have to face the consequences.

A particular cp3 conversion kit for lml may be considered unethical in your country. Thus, you better conduct some research about the cp3 conversion kit for lml and your country's law, before purchasing.


The demo has an excellent impact on the buying decision. Precisely, it offers tangible proof of how the cp3 conversion kit for lml performs.

Demos are normally provided. It gives you an in-depth understanding of that cp3 conversion kit for lml. After checking the demo, you will be able to understand what makes the cp3 conversion kit for lml unique.

Demos will assist you in determining which cp3 conversion kit for lml perfectly suits your preferences criteria. Therefore, all of your confusion regarding your decision will be dismissed also.

User Reviews

When you are buying the cp3 conversion kit for lml for the first time, you are not aware of which one is good. For this problem, you have to explore the user reviews about that cp3 conversion kit for lml. Here, you will be able to encounter various opinions of users regarding the cp3 conversion kit for lml.

If you analyze user reviews, you will come to know about the merits and demerits of that cp3 conversion kit for lml. This will influence your decision to a great extent.

Warranties and Return Policy

You should not pick a cp3 conversion kit for lml without checking its warranties and return policy. Warranties show how much faith a manufacturer has in their cp3 conversion kit for lml.  So, if the cp3 conversion kit for lml is damaged within a certain period, you have every right to return or replace that cp3 conversion kit for lml.

Moreover, warranties and return policies differ from product to product. Thus, you better compare among them and choose the best one.

Buying cp3 conversion kit for lml – FAQs

Now, you know about buying guides, but still, you might have a few questions also. We are going to add some most asked questions about cp3 conversion kit for lml.

Is the return policy of cp3 conversion kit for lml important?

Yes. You won't be automatically entitled to an exchange or refund if you change your mind. Normally if you find any fault and damage on a cp3 conversion kit for lml after buying, you can ask for compensation according to various policy.

Nonetheless, the return policy is more like a safety option, in case something goes wrong with the purchase.

How will I be sure about the authenticity of user reviews on cp3 conversion kit for lml?

Sadly, there is no specific way to be sure about which user reviews are genuine and which are fake. It will be great if you ask for reviews from someone you know. Otherwise, you have to use your conscience to distinguish between them.

How to know the right price for cp3 conversion kit for lml?

As you already know, a similar version can come in different price forms. Likewise, a cp3 conversion kit for lml can be valued differently based on its service, features, and quality.

Likewise, the correct price of it depends on what you’re looking for and how much you can afford. Thus we suggest making a priority list of what your cp3 conversion kit for lml needs to have and then evaluating a price accordingly.


At long last, we have the definitive guide of best cp3 conversion kit for lml. If you have read this far, then you are very close to being ready to make a purchase of the cp3 conversion kit for lml.

In a nutshell, we are able to say that these cp3 conversion kit for lmls are a fantastic investment that offers outstanding value for the money spent. If you are still unsure about anything, you should refer to the buying guide in order to obtain the most comprehensive information possible regarding the products.

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