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CP4 - CP3 Injection Pump Upgrade Conversion LML For 11-16 GM 6.6 6.6L Duramax Diesel
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CP4 - CP3 Injection Pump Upgrade Conversion LML For 11-16 GM 6.6 6.6L Duramax Diesel
Upgrade to a CP3 pump for higher performance and reliabilityn
CP4 - CP3 Injection Pump Upgrade Conversion LML For 11-16 GM 6.6 6.6L Duramax Diesel

CP4 - CP3 Injection Pump Upgrade Conversion LML For 11-16 GM 6.6 6.6L Duramax Diesel

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What Stands Out

Performance Boost
Upgrade to the CP4 injection pump for enhanced fuel efficiency and improved power output, specifically designed for 2011-2016 GM 6.6L Duramax Diesel engines.
Engine Compatibility
Tailored for seamless integration with LML Duramax engines, ensuring optimal performance without the need for extensive modifications or aftermarket adjustments.
Durability Assurance
Manufactured with high-quality materials, this conversion kit offers superior longevity and reliability compared to standard pumps, minimizing maintenance concerns for owners.

Product Details

Find the best deals on CP4 to CP3 Injection Pump Upgrade Conversion for 11-16 GM 6.6L Duramax Diesel at Ubuy - your one-stop Philippines for automotive parts and accessories.
  • Upgraded CP4 to CP3 Conversion Kit for 2011-2016 LML Duramax GM 6.6L
  • Higher flowing and reliable CP3 injection pump
  • Supports upwards of 600hp performance
  • Highly recommended to add a lift/supply pump when upgrading
  • Allows for removal of factory fuel filter
  • Essential for upgrading your fuel system in a Duramax diesel
Fit TypeVehicle Specific Fit
Compatible with Vehicle TypeTruck
Part Interchange InfoFPE-LML-CP3-FF-NP , IIS436402, 436402
Auto Part PositionRear
Outlet Connection TypeThreaded (FNPT)
Gas TypeDiesel
Mounting TypeTank Mount
Operation ModeMechanical
Product GradePerformance Part
Automotive Fit TypeVehicle Specific Fit
Connector TypeNPT
Specification MetOE, SAE
Item Weight0.01 Ounces (0.28 grams)
Brand NameDiesel Power Shop
Manufacturer Part NumberDPS-CP3KIT
ManufacturerDiesel Power Shop
UPC039339457865
Body MaterialMetal
BrandDiesel Power Shop
Vehicle Service TypeTruck

Who Should Buy?

Suitable For
  • Performance Enthusiasts

    Drivers looking to enhance engine performance and reliability with an upgraded fuel injection pump.

  • Towing Applications

    Users who tow heavy loads and need improved fuel delivery and pressure for better engine performance.

  • Upgrade Seekers

    Owners wanting to replace stock components with high-performance parts for increased horsepower and torque.

Not Suitable For
  • Stock Users

    Drivers content with factory specifications and do not require additional performance upgrades.

  • Budget-Conscious

    Individuals hesitant to invest in extensive upgrades may find this product too costly for their needs.

  • Non-Diesel Vehicles

    Owners of vehicles with different engine types will not benefit from this diesel-specific conversion kit.

Product Description

CP4 - CP3 Injection Pump Upgrade Conversion LML For 11-16 GM 6.6 6.6L Duramax Diesel

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the CP4 to CP3 injection pump upgrade conversion?

    Answer: The CP4 to CP3 injection pump upgrade conversion is a modification designed to enhance the fuel delivery system in GM 6.6L Duramax Diesel engines from 2011 to 2016. This upgrade replaces the original CP4 pump with a more reliable CP3 pump, providing improved fuel pressure and flow. The CP3 pump is widely regarded for its durability and performance, making it ideal for high-demand applications such as towing or heavy hauling. Many users report noticeable improvements in engine responsiveness and power, especially in modified or performance-tuned vehicles.
  • Question: Why should I consider upgrading from a CP4 to a CP3 pump?

    Answer: Upgrading from a CP4 to a CP3 pump can significantly increase the reliability and performance of your Duramax engine. The CP4 pump has been known to have issues related to premature failure and fuel contamination, leading to costly repairs. In contrast, the CP3 is generally considered more robust and capable of handling higher fuel demands. Users looking to enhance towing capacity or overall engine performance find this upgrade particularly beneficial, as it can lead to smoother acceleration and better fuel efficiency.
  • Question: Does the CP4 to CP3 conversion require any additional parts?

    Answer: Yes, the CP4 to CP3 conversion may require additional components such as fuel lines, adapters, and possibly ECM tuning to ensure compatibility with the new pump. These components allow for proper installation and operation of the CP3 pump within the existing fuel system. It's essential to assess your vehicle's setup before proceeding with the conversion to ensure all necessary parts are acquired. Many enthusiasts might consider consulting a professional mechanic to ensure a seamless upgrade.
  • Question: Can I perform the CP4 to CP3 upgrade myself?

    Answer: While many DIY enthusiasts can attempt the CP4 to CP3 upgrade, it is recommended to have a solid understanding of automotive fuel systems and tools. The installation process involves removing the existing CP4 pump and related components, which can be complex due to the tight engine bay and need for precision. If you're not experienced, hiring a professional may save you time and reduce the risk of improper installation, which could lead to further engine issues.
  • Question: What performance improvements can I expect after the upgrade?

    Answer: After upgrading to a CP3 pump, users typically experience increased fuel flow and pressure, which can result in better throttle response and overall engine performance. Improved fuel delivery allows the engine to run more efficiently, reducing lag during acceleration and enhancing power output during heavy loads or towing. Many drivers have noted these improvements, particularly in high-torque scenarios like climbing hills or pulling trailers, making it a popular modification for performance-focused Duramax owners.
  • Question: Is the CP4 to CP3 upgrade suitable for stock engines?

    Answer: Yes, the CP4 to CP3 upgrade is suitable for stock engines as well as modified ones. Even if your engine is currently running without performance modifications, upgrading can enhance reliability and potentially improve fuel economy. Many truck owners use it as a preventative measure against future fuel pump failures, ensuring their vehicle remains dependable even under regular use. This makes the upgrade a valid consideration for anyone who values long-term engine performance and durability.
  • Question: Will this upgrade affect my truck's emissions?

    Answer: The CP4 to CP3 upgrade primarily focuses on fuel delivery and engine performance rather than emissions control. While it may not directly affect emissions systems, enhanced performance can lead to a more complete combustion process, which could potentially lower emissions under certain conditions. However, it's important to ensure your vehicle's emissions systems remain compliant with local regulations, especially if performance modifications are made alongside the pump upgrade.
  • Question: How does the CP3 pump compare to other aftermarket pumps?

    Answer: The CP3 pump is renowned for its reliability and performance compared to other aftermarket options available in the market. It typically offers higher fuel pressure and flow rate, which are critical for tuning and performance applications. Many users consider it a industry standard due to its compatibility with a wide range of performance modifications. If you're looking to enhance your Duramax engine's capabilities, the CP3 is often regarded as a top choice for serious engine upgrades.
  • Question: Will the installation of a CP3 affect my engine's warranty?

    Answer: Installing a CP3 pump can potentially void the warranty on specific engine components, particularly if the installation is not performed correctly or if other modifications cause issues. It's crucial to consult your vehicle's warranty policy or discuss with a dealer or qualified mechanic before proceeding. For many enthusiasts, the performance gains justify the risk, but it's important to weigh the benefits against warranty considerations based on your specific circumstances.
  • Question: Where can I buy CP4 - CP3 Injection Pump Upgrade Conversion LML For 11-16 GM 6.6 6.6L Duramax Diesel?

    Answer: You can purchase the CP4 - CP3 Injection Pump Upgrade Conversion LML for 11-16 GM 6.6 6.6L Duramax Diesel from Ubuy in Philippines. Ubuy offers a variety of automotive upgrades and accessories, making it easy for you to find and select the pump upgrade that best fits your vehicle's needs. They provide a user-friendly platform to shop for essential performance parts safely and conveniently.

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Features & Benefits

  • Upgrade to a CP3 pump for higher performance and reliability
  • CP3 pumps can support up to 600hp
  • Add a lift/supply pump when upgrading
  • Upgraded fuel system is a must for a Duramax
  • Removes factory fuel filter
  • Applicable for 2011-2016 LML Duramax 6.6L and GM 6.6L

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