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Find Fuel System Parts for your Sierra 3500

AFE DFS780 Fuel System; Full-Time Operation (17-19 6.6L Duramax Sierra 3500 HD)Find parts that fit my vehicle

Item SHG3273
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32 Reviews of AFE
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$1,000.00

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      Product Information

      Features, Description, Q&A

      Features

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      • Clear High-Impact Polycarbonate Sight Glass For Visual Inspection Of Fuel
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      • Helical Bronze Spur Gears Run Quieter And Are More Forgiving Of Contaminants Than Straight Cut Gears
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      • Marine Grade Motor Protects Against Dust And Water
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      • 187 Gph @ 8-10 Psi Flow Rating
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      • Contoured CNC Machined 6061-T6 Billet Aluminum Manifold Enhances Flow And Reduces Pressure Drop
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      • Fuel Pressure Gauge Port For Easy Monitoring
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      • O.E. Quality Viton Seals Compatible With Biodiesel Fuels
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      • Typical Installation Time Is About 2 Hours With Plug-And-Play Weatherproof Connectors
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      • Built In The USA
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      • Filter Included
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      • Coupler Included
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      • Fits 2017-2019 6.6L Duramax Sierra 3500 HD
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      Description

      Premium Diesel Fuel Pump. The AFE DFS780 Series is a high-performance fuel pump system designed to provide consistent fuel delivery and enhance the efficiency of diesel engines. It operates full-time, ensuring reliable fuel pressure for optimal engine performance in demanding conditions.

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      Construction and Appearance. The fuel pump features a clear high-impact polycarbonate sight glass for visual fuel inspection, helical bronze spur gears that run quieter and are more forgiving of contaminants, and a billet 6061-T6 aluminum CNC-machined manifold that enhances fuel flow and reduces pressure drop. It includes a marine-grade motor protecting against dust and water, and is sealed with O.E. quality Viton seals compatible with biodiesel fuels.

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      Installation. Installation typically takes about two hours and requires no cutting or modifications to stock fuel lines. It includes a plug-and-play setup with supplied weatherproof connectors, allowing for easy return to stock configuration if necessary.

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      Application. Specifically designed to fit 2017-2019 6.6L Duramax Sierra 3500 HD models, providing a durable and engineered upgrade for improved fuel system performance.

      AFE 42-14023

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      4.7

      Reviews of AFE Engine Products (32)

      Questions & Answers

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      Will It Fit My Sierra 3500

      • 6.6L V8 Duramax - 17, 18, 19

      Some Applications are 50-State Legal (CARB Compliant). CLICK HERE for CARB EO D-550-37 Details