2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax Sumps, Accessories & Additives

Our inventory of Sumps, Accessories & Additives for your 2017-2019 GM 2500HD/3500HD 6.6L Duramax L5P has everything you need to optimize your fuel system. Whether you’re looking to enhance fuel delivery, improve cold-weather performance, or maintain your truck’s fuel system, we have the right components for the job. Our selection includes fuel heater kits to ensure reliable starts in freezing temperatures, suction tube kits for better fuel flow, and fuel pressure fittings for accurate monitoring and adjustments. We also carry essential maintenance items like O-ring kits and high-performance fuel sumps that keep your fuel system running efficiently and reliably. GM Duramax Fitments: 2017, 2018, and 2019 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.