{"product_id":"2011-2016-duramax-lml-cp3-conversion-kit","title":"2011–2016 Chevy GMC Duramax 6.6L LML CP3 Conversion Kit | CP4 to CP3 Injection Pump Upgrade","description":"\u003ch2 data-section-id=\"qup18j\" data-start=\"208\" data-end=\"297\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"211\" data-end=\"297\"\u003e2011–2016 Duramax LML CP3 Conversion Kit — Replace the Factory CP4 Before It Fails\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"299\" data-end=\"634\"\u003eThe factory CP4 injection pump on the \u003cstrong data-start=\"337\" data-end=\"408\"\u003e2011–2016 Chevy Silverado and GMC Sierra 2500\/3500 6.6L LML Duramax\u003c\/strong\u003e is one of the most expensive weak points on these trucks. When a CP4 fails, it can send metal contamination through the high-pressure fuel system, potentially damaging injectors, rails, fuel lines, and other major components.\u003c\/p\u003e\n\u003cp data-start=\"636\" data-end=\"982\"\u003eThis \u003cstrong data-start=\"641\" data-end=\"678\"\u003eCP3 Injection Pump Conversion Kit\u003c\/strong\u003e is designed to replace the unreliable factory CP4 setup with a proven CP3-style fuel system conversion. Whether you are building a stronger tow rig, upgrading for long-term reliability, or preventing a costly CP4 failure, this kit gives your LML Duramax the foundation it should have had from the start.\u003c\/p\u003e\n\u003cp data-start=\"984\" data-end=\"1155\"\u003e\u003cstrong data-start=\"984\" data-end=\"998\"\u003eImportant:\u003c\/strong\u003e This option is for the \u003cstrong data-start=\"1022\" data-end=\"1059\"\u003eCP3 Injection Pump Conversion Kit\u003c\/strong\u003e. The CP3 pump itself is \u003cstrong data-start=\"1084\" data-end=\"1154\"\u003enot included unless selected separately as an add-on or kit option\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"1157\" data-end=\"1160\"\u003e\n\u003ch2 data-section-id=\"1c9uxyk\" data-start=\"1162\" data-end=\"1214\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1165\" data-end=\"1214\"\u003eWhy Upgrade Your LML Duramax From CP4 to CP3?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1216\" data-end=\"1557\"\u003eThe CP3 platform has a long-standing reputation in the diesel world for durability, consistent fuel delivery, and better reliability under demanding conditions. For LML Duramax owners, converting from CP4 to CP3 is one of the most common preventative upgrades because it addresses the weak point before it becomes a catastrophic repair bill.\u003c\/p\u003e\n\u003cp data-start=\"1559\" data-end=\"1707\"\u003eThis kit is built for owners who want peace of mind, stronger fuel system reliability, and a cleaner path to supporting future performance upgrades.\u003c\/p\u003e\n\u003chr data-start=\"1709\" data-end=\"1712\"\u003e\n\u003ch2 data-section-id=\"1j5qwet\" data-start=\"1714\" data-end=\"1733\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1717\" data-end=\"1733\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1735\" data-end=\"2251\"\u003e\n\u003cli data-section-id=\"18ncluy\" data-start=\"1735\" data-end=\"1784\"\u003e\u003cstrong data-start=\"1737\" data-end=\"1784\"\u003eFits 2011–2016 Chevy \/ GMC 6.6L LML Duramax\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"4aba1y\" data-start=\"1785\" data-end=\"1859\"\u003e\u003cstrong data-start=\"1787\" data-end=\"1859\"\u003eConverts factory CP4 injection pump setup to CP3-style configuration\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1mwkpel\" data-start=\"1860\" data-end=\"1925\"\u003eHelps reduce the risk of costly CP4-related fuel system failure\u003c\/li\u003e\n\u003cli data-section-id=\"b7mvog\" data-start=\"1926\" data-end=\"1985\"\u003eSupports improved fuel system reliability and consistency\u003c\/li\u003e\n\u003cli data-section-id=\"1gm2t95\" data-start=\"1986\" data-end=\"2081\"\u003eIncludes required conversion hardware, lines, fittings, brackets, and installation components\u003c\/li\u003e\n\u003cli data-section-id=\"zkky7n\" data-start=\"2082\" data-end=\"2165\"\u003eIdeal for towing, daily driving, work trucks, and performance-oriented LML builds\u003c\/li\u003e\n\u003cli data-section-id=\"hmeeeu\" data-start=\"2166\" data-end=\"2251\"\u003eDesigned for a clean, reliable CP3 conversion without piecing together random parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2253\" data-end=\"2256\"\u003e\n\u003ch2 data-section-id=\"1tdx4yk\" data-start=\"2258\" data-end=\"2277\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2261\" data-end=\"2277\"\u003eKit Includes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2279\" data-end=\"2422\"\u003eThis CP3 conversion kit includes the required supporting components needed to install a CP3 pump in place of the factory CP4 system, including:\u003c\/p\u003e\n\u003cul data-start=\"2424\" data-end=\"2537\"\u003e\n\u003cli data-section-id=\"m9j6sv\" data-start=\"2424\" data-end=\"2436\"\u003eFuel lines\u003c\/li\u003e\n\u003cli data-section-id=\"37glkt\" data-start=\"2437\" data-end=\"2456\"\u003eRequired fittings\u003c\/li\u003e\n\u003cli data-section-id=\"8r3k9q\" data-start=\"2457\" data-end=\"2476\"\u003eMounting brackets\u003c\/li\u003e\n\u003cli data-section-id=\"1rh4o3a\" data-start=\"2477\" data-end=\"2487\"\u003eHardware\u003c\/li\u003e\n\u003cli data-section-id=\"guheu5\" data-start=\"2488\" data-end=\"2537\"\u003eCP3 conversion-specific installation components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2539\" data-end=\"2595\"\u003e\u003cstrong data-start=\"2539\" data-end=\"2595\"\u003eCP3 pump is not included unless selected separately.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"2597\" data-end=\"2600\"\u003e\n\u003ch2 data-section-id=\"8aj2vg\" data-start=\"2602\" data-end=\"2616\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2605\" data-end=\"2616\"\u003eFitment\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2618\" data-end=\"2787\"\u003e\u003cstrong data-start=\"2618\" data-end=\"2627\"\u003eMake:\u003c\/strong\u003e Chevrolet \/ GMC\u003cbr data-start=\"2643\" data-end=\"2646\"\u003e\u003cstrong data-start=\"2646\" data-end=\"2656\"\u003eModel:\u003c\/strong\u003e Silverado 2500HD \/ 3500HD, Sierra 2500HD \/ 3500HD\u003cbr data-start=\"2706\" data-end=\"2709\"\u003e\u003cstrong data-start=\"2709\" data-end=\"2720\"\u003eEngine:\u003c\/strong\u003e 6.6L Duramax LML\u003cbr data-start=\"2737\" data-end=\"2740\"\u003e\u003cstrong data-start=\"2740\" data-end=\"2750\"\u003eYears:\u003c\/strong\u003e 2011, 2012, 2013, 2014, 2015, 2016\u003c\/p\u003e\n\u003chr data-start=\"2789\" data-end=\"2792\"\u003e\n\u003ch2 data-section-id=\"1elfry6\" data-start=\"2794\" data-end=\"2809\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2797\" data-end=\"2809\"\u003eBest For\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2811\" data-end=\"3141\"\u003e\n\u003cli data-section-id=\"51qc4p\" data-start=\"2811\" data-end=\"2854\"\u003eLML owners wanting to prevent CP4 failure\u003c\/li\u003e\n\u003cli data-section-id=\"rrfw3u\" data-start=\"2855\" data-end=\"2918\"\u003eTow rigs and work trucks needing better long-term reliability\u003c\/li\u003e\n\u003cli data-section-id=\"16dnj14\" data-start=\"2919\" data-end=\"2981\"\u003eDuramax owners upgrading the fuel system before adding power\u003c\/li\u003e\n\u003cli data-section-id=\"1c1rj6m\" data-start=\"2982\" data-end=\"3051\"\u003eTrucks already undergoing fuel system, turbo, or engine valley work\u003c\/li\u003e\n\u003cli data-section-id=\"1b3tbzr\" data-start=\"3052\" data-end=\"3141\"\u003eCustomers who want a proven CP3-style fuel system instead of relying on the factory CP4\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3143\" data-end=\"3146\"\u003e\n\u003ch2 data-section-id=\"ye2j7z\" data-start=\"3148\" data-end=\"3177\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3151\" data-end=\"3177\"\u003eSasquatch Diesels Note\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"3179\" data-end=\"3399\"\u003eIf you own a \u003cstrong data-start=\"3192\" data-end=\"3217\"\u003e2011–2016 LML Duramax\u003c\/strong\u003e, the factory CP4 pump is not something to ignore. A CP4 failure can turn into a full fuel system replacement, which is exactly why many LML owners choose to upgrade before it fails.\u003c\/p\u003e\n\u003cp data-start=\"3401\" data-end=\"3591\"\u003eThis CP3 conversion kit gives your Duramax a stronger, more reliable fuel system foundation and helps protect your truck from one of the most common high-dollar failures on the LML platform.\u003c\/p\u003e","brand":"Sasquatch Diesels","offers":[{"title":"Default Title","offer_id":45142716317873,"sku":"","price":599.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/3144\/8241\/files\/background-editor_output_3549e9dd-3aa0-4249-958e-ab5a6e11d67d.png?v=1739230993","url":"https:\/\/checkout.sasquatchdiesel.ca\/products\/2011-2016-duramax-lml-cp3-conversion-kit","provider":"Sasquatch Diesels","version":"1.0","type":"link"}