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1967-70 GM Truck Fuel Tank Filler Neck Grommet
OER reproduction of the original fuel tank filler neck grommet for use on 1967-70 Chevrolet and GMC truck models. Manufactured from durable rubber for years of use, this grommet secures the fuel filler neck at the cab.
The fuel tank filler neck grommet in a 1967-1970 GM truck serves as a seal and insulator where the filler neck passes through the vehicle's body and into the fuel tank. Here are some key points about this component:
Location: The fuel tank filler neck grommet is located at the point where the filler neck passes through the body of the truck, usually near the rear fender or quarter panel.
Material: These grommets are typically made of rubber or a similar flexible material that can withstand exposure to fuel, moisture, and environmental elements. This material also provides a tight seal to prevent fuel leaks and insulates the filler neck from the vehicle's body.
Sealing: The primary function of the grommet is to provide a secure seal around the filler neck, preventing fuel vapors from escaping and foreign objects from entering the fuel tank. A properly sealed grommet helps maintain the integrity of the vehicle's fuel system and ensures compliance with emissions regulations.
Insulation: In addition to sealing, the grommet also acts as an insulator, minimizing heat transfer between the fuel tank and the vehicle's body. This helps prevent the filler neck from becoming excessively hot during refueling and reduces the risk of vapor lock or other fuel system issues.
Replacement: Over time, fuel tank filler neck grommets can deteriorate due to exposure to fuel, heat, and other factors. If a grommet becomes damaged, cracked, or worn, it should be replaced promptly to prevent fuel leaks and ensure proper sealing of the filler neck.
Installation: Installing a new fuel tank filler neck grommet typically involves removing the old grommet and inserting the new one into place. It's essential to ensure that the new grommet fits snugly and provides a secure seal around the filler neck.
Maintenance: Periodic inspection of the fuel tank filler neck grommet is recommended as part of routine vehicle maintenance. This allows for the early detection of any signs of wear or damage, which can be addressed before they lead to fuel system issues.
