{"product_id":"merchant-automotive-fuel-contamination-kit-25012-2024-2025-6-6l-duramax-l5p","title":"MERCHANT AUTOMOTIVE FUEL CONTAMINATION KIT 25012 | 2024-2025 6.6L DURAMAX L5P","description":"\u003cp\u003eRestore the contaminated fuel system in your GM 6.6L Duramax L5P with the Merchant Automotive 25012 Fuel Contamination Kit. Designed as a comprehensive repair solution, this kit replaces the critical fuel system components affected by contamination from DEF, gasoline, metallic debris from a failed fuel pump, and other foreign material.\u003c\/p\u003e\n\n\u003cp\u003eFuel system contamination can spread throughout the high- and low-pressure sides of the system, potentially damaging the injection pump, injectors, fuel rails, lines, and related components. Replacing only the failed component can leave residual contamination behind and put new parts at risk. The Merchant Automotive 25012 provides the major components, seals, gaskets, O-rings, and hardware needed to perform a complete fuel system repair and help prevent repeat failures.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete fuel contamination repair solution\u003c\/li\u003e\n  \u003cli\u003eDesigned for GM 6.6L Duramax L5P applications\u003c\/li\u003e\n  \u003cli\u003eReplaces critical components affected by contaminated fuel\u003c\/li\u003e\n  \u003cli\u003eIdeal for contamination caused by DEF, gasoline, metallic debris, or other foreign material\u003c\/li\u003e\n  \u003cli\u003eHelps prevent repeat failures caused by residual contamination\u003c\/li\u003e\n  \u003cli\u003eEliminates the need to source major fuel system components individually\u003c\/li\u003e\n  \u003cli\u003eIncludes required installation gaskets, seals, O-rings, and related hardware\u003c\/li\u003e\n  \u003cli\u003eDesigned to restore factory-style fuel system operation and reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e(8) Fuel injectors\u003c\/li\u003e\n  \u003cli\u003eL5P high-pressure fuel injection pump\u003c\/li\u003e\n  \u003cli\u003eHigh-pressure fuel feed lines to the rails and crossover\u003c\/li\u003e\n  \u003cli\u003eLeft and right fuel rails\u003c\/li\u003e\n  \u003cli\u003eL5P fuel injector line kit\u003c\/li\u003e\n  \u003cli\u003eLeft and right fuel injection return pipes\u003c\/li\u003e\n  \u003cli\u003eFuel injection return hoses for multiple locations\u003c\/li\u003e\n  \u003cli\u003eFuel feed and return pipe assembly\u003c\/li\u003e\n  \u003cli\u003eL5P fuel cooler\u003c\/li\u003e\n  \u003cli\u003eLow-pressure diesel hydrocarbon injector\u003c\/li\u003e\n  \u003cli\u003eDuramax fuel filter\u003c\/li\u003e\n  \u003cli\u003eFuel injector bracket bolts\u003c\/li\u003e\n  \u003cli\u003eFuel injection pump pulley nut\u003c\/li\u003e\n  \u003cli\u003eUpper intake manifold seal\u003c\/li\u003e\n  \u003cli\u003eEngine coolant thermostat housing gasket\u003c\/li\u003e\n  \u003cli\u003eL5P thermostat bypass pipe gasket\u003c\/li\u003e\n  \u003cli\u003eThermostat bypass pipe O-ring\u003c\/li\u003e\n  \u003cli\u003eEGR coolant feed pipe seal\u003c\/li\u003e\n  \u003cli\u003eEGR cooler pipe gasket\u003c\/li\u003e\n  \u003cli\u003e(2) EGR pipe gaskets\u003c\/li\u003e\n  \u003cli\u003eL5P EGR valve gasket\u003c\/li\u003e\n  \u003cli\u003eTurbo air inlet adapter seal\u003c\/li\u003e\n  \u003cli\u003eThrottle body gasket\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Merchant Automotive","offers":[{"title":"Default Title","offer_id":53814776201499,"sku":"25012","price":4999.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5757\/3147\/files\/Screenshot2026-08-24at10.21.46AM.png?v=1787811026","url":"https:\/\/wwmperformance.com\/products\/merchant-automotive-fuel-contamination-kit-25012-2024-2025-6-6l-duramax-l5p","provider":"WWM Performance","version":"1.0","type":"link"}