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AFE DFS780 Fuel System; Boost Activated (17-19 6.6L Duramax Silverado 3500 HD)Find parts that fit my vehicle

Item SHS3631
Our Price

$1,000.00 each

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      Product Information

      Features, Description, Q&A, Specs & Installation

      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 Than Straight Cut Gears
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      • Marine Grade Motor Protects Against Dust And Water
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      • 187 GPH At 8-10 Psi Flow Rating
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      • Contoured CNC Machined Aluminum Manifold Enhances Flow
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      • Fuel Pressure Gauge Port
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      • O.E. Quality Viton Seals Compatible With Diesel And Biodiesel Fuels
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      • Typical Installation Time Is About 2 Hours
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      • Built In The U.S.A.
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      • Filter Included
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      • Coupler Included
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      • Fits 2017-2019 6.6L Duramax Silverado 3500 HD
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      Description

      Advanced Fuel System. The AFE DFS780 Series is a diesel fuel system engineered to boost fuel delivery under increased load conditions, enhancing engine performance and reliability. It operates by activating the secondary fuel pump only when required, reducing wear and extending the pump’s lifespan for efficient fuel management and improved power output.

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      Construction and Appearance. This fuel system features a clear high-impact polycarbonate sight glass for easy visual fuel inspection and a billet 6061-T6 aluminum manifold, precisely CNC-machined to enhance flow and durability. It uses helical bronze spur gears for quieter operation and improved longevity, and includes a marine-grade motor that provides excellent protection against dust and water intrusion.

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      Installation. Installation is straightforward, typically taking about two hours with no cutting or modifications needed to the stock fuel lines. The system includes a plug-and-play harness with Deutsch connectors for a seamless installation and allows for easy reversion to the original stock configuration if desired.

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      Warranty. This product comes with a quality assurance period that guarantees its durability and performance.

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      Application. Specifically designed to fit 2017-2019 6.6L Duramax Silverado 3500 HD models, this system ensures optimal compatibility and performance for these heavy-duty diesel trucks.

      AFE 42-14024

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

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 4 Hours

      Difficulty Level:

      Light to Moderate mechanical skill required.

      Installation Guides

      What's in the Box

      • (1) Boost‑Activated DFS780 Fuel Pump System
      • (1) Pre‑Installed Boost Sensor Switch
      • (1) Deutsch Plug‑And‑Play Wiring Harness With Relay
      • (1) Steel Mounting Bracket
      • (1) NPT Pressure Gauge Port
      • Instructional Manual
      4.7

      Reviews of AFE Engine Products (32)

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Silverado 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