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  1. 1973 - 1991 GMC R3500 Rear Fuel Tank
    CHEVROLET FULLSIZE PICKUP 73-81 FUEL TANK, Mounts Ahead of Rear Axle, 16 Gal.

    OEM #: 12382989, Partslink #: GM3900106
    $137.95

    In Stock

  2. 1975 - 1991 GMC R3500 Fuel Tank
    CHEVROLET FULLSIZE PICKUP 82-91 FUEL TANK, Carbureted (without EFI), 20 Gal.

    OEM #: 12382992, Partslink #: GM3900107
    $181.95

    In Stock

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The fuel tank for the GMC R3500 is a vital component that stores gasoline safely and supplies it to the engine. Designed for the heavy-duty demands of this pickup truck, the gas tank ensures reliable fuel delivery under various driving conditions. Its robust construction helps withstand the stresses of daily use and harsh environments.
Over time, the fuel reservoir in a GMC R3500 may develop issues such as corrosion, leaks, or damage from road debris. Rust can form due to moisture and contaminants, potentially leading to fuel contamination or leakage. Physical damage can also occur from impacts, which may compromise the integrity of the tank.
Regular inspection of the fuel tank is essential for vehicle safety and performance. Check for signs of rust, dents, or leaks beneath the vehicle. Keeping the tank area clean can prevent debris buildup that might cause damage. Using high-quality fuel and additives can help minimize internal corrosion and extend the life of the tank.
When installing a new fuel tank, it's important to work in a well-ventilated area away from ignition sources. Drain any remaining fuel from the old tank and properly dispose of it. Ensure all connections, including fuel lines and mounting straps, are secure and free from wear. Replacing the fuel filter and inspecting the fuel pump during installation can improve overall fuel system performance.
Q: What are the signs that my GMC R3500 fuel tank needs replacement?
    A: Common signs include a strong smell of gasoline, visible fuel leaks under the truck, rust or corrosion on the tank surface, and issues with fuel delivery to the engine.

Q: Can a damaged fuel tank affect engine performance?
    A: Yes, a compromised gas tank can lead to fuel contamination or insufficient fuel flow, resulting in poor engine performance or stalling.

Q: How often should I inspect my fuel tank?
    A: It's recommended to inspect the fuel tank at least once a year or whenever you perform routine maintenance on your vehicle.
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