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        CP3 Conversion Kit with CP3 for 2011-2016 LML Duramax Fleece Performance

        SKU: FPE-LML-CP3-WP-FQWW

        Upgrade your 2011–2016 LML Duramax with a Fleece Performance CP3 conversion kit—no tuning required. Replace your unreliable CP4 with a proven Bosch CP3 for better reliability, fueling, and peace of mind.

        0.0
        Fleece Performance
        Vehicle Specific
        Check if this part fits your vehicle.
        • Brand: Fleece Performance
        • $2898.00

        Only 4 left in stock

        Protect your 2011–2016 LML Duramax from costly CP4 failures by converting to a reliable Bosch CP3 pump with our complete, no-tuning-required Fleece Performance CP3 conversion kit. The factory CP4 is known for expensive, catastrophic failures that can wipe out the entire fuel system. This kit is designed for a true OEM fit-and-finish, featuring Fleece-exclusive molded fuel feed and return hoses, high-flow CP3 fuel fittings, and a valley feed line to support aftermarket lift pump applications. Plus, it’s 50-state compliant (EO# D-834-1) and requires no custom tuning—just bolt on and go.

        Kit Contents:

        • CP3 to rail high-pressure fuel line
        • High-flow CP3 feed and return fittings
        • Preformed fuel feed and return hoses
        • CP3 mounting adapter
        • Dosing injector distribution block, feed and return lines
        • FCA extension harness
        • Low-pressure fuel feed line
        • Complete hardware kit
          • SKU
            FPE-LML-CP3-WP-FQWW
          • Weight
            25 lbs
          • Dimensions (L x W x H)
            16 x 16 x 12 in
          • Barcode
            670875717428
          • Manufacturer Part #
            FPE-LML-CP3-WP
        • Engine Year
          2011-2016
        • Property 65 Warning
          CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
        • Vehicle Type
          Truck/SUV
        • Finish
          Raw
        • Brand
          Fleece Performance
        • Country of Origin
          US
        • Sold As
          Kit
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        Shipping Times

        Most customers will see their parts within 3-5 business days. We will primarily ship with Purolator ground & DHL Express to ensure the fastest shipping possible.

        Please Note: These are only estimates and shipping time may vary depending on your location, out of country and rural locations expect longer wait times.

        Where Do We Ship 

        We will ship our products within Canada and the United States.

        Please Note: There are limitations what can be shipped to the United States.

        Damaged Shipments

        We provide the option to purchase insurance as we are not responsible for any damage while with a courier, we don’t often see issues, but it does happen. If you purchased insurance we will put in a claim, if no insurance was purchased there will be no refunds or exchanges.

        We accept the following payment methods:


        Return Policy

        It happens sometimes we would like to return it. Here are our return rules:

        • Prior to any return you must contact us and get an approval for a  RMA number
        • Product must be unopened and have no damage. 
        • You must pay for the shipping back, please insure so if anything happens you can make a claim, we are not responsible for damage during shipping and is the sole responsibility of the customer.
        • Regular products are subject to a 5% Restocking fee.
        • Items over 50 lbs. or special orders will be subject to a 20% Restocking fee.
        • Electronics & Tuning is a final sale and cannot be returned. 
        • Fitment Type
          Vehicle Specific
        YearMakeModelNotes
        2011GMCSierra 3500 HD
        2011GMCSierra 2500 HD
        2011ChevroletSilverado 3500 HD
        2011ChevroletSilverado 2500 HD
        2012GMCSierra 3500 HD
        2012GMCSierra 2500 HD
        2012ChevroletSilverado 3500 HD
        2012ChevroletSilverado 2500 HD
        2013GMCSierra 3500 HD
        2013GMCSierra 2500 HD
        2013ChevroletSilverado 3500 HD
        2013ChevroletSilverado 2500 HD
        2014GMCSierra 3500 HD
        2014GMCSierra 2500 HD
        2014ChevroletSilverado 3500 HD
        2014ChevroletSilverado 2500 HD
        2015GMCSierra 2500 HD
        2015GMCSierra 3500 HD
        2015ChevroletSilverado 3500 HD
        2015ChevroletSilverado 2500 HD
        2016GMCSierra 2500 HD
        2016GMCSierra 3500 HD
        2016ChevroletSilverado 3500 HD
        2016ChevroletSilverado 2500 HD