Dorman - OE Solutions Fuel Tank Filler Neck P/N:577-340
$118.99
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Get back to trouble-free fill-ups with the Dorman - OE Solutions Fuel Tank Filler Neck 577-340. It installs as a direct-fit replacement for the 2011 Chevrolet Silverado 2500 HD, 2011 Chevrolet Silverado 3500 HD, 2011 GMC Sierra 2500 HD, and 2011 GMC Sierra 3500 HD, replacing a filler neck that has corroded, cracked, or begun leaking around the pump nozzle.
Core job: Carries fuel from the gas cap opening down into the fuel tank during refueling.
Direct replacement: Serves as a direct-fit replacement for the original filler neck on the listed applications.
Addresses common failures: A worn or damaged filler neck can leak fuel, resist the nozzle, or trigger a fuel-vapor complaint — if the neck is the cause, this part replaces it.
Signs the original filler neck may need replacing include a fuel smell near the rear of the vehicle, a pump nozzle that clicks off early or won't seat, or visible rust and cracks on the tube. Diagnose the source of the leak before ordering, since related fuel-system components can present similar symptoms.
Interchange: 22774524 · FN876 Manufacturer part number 577-340 (also 577340)
This part cross-references / interchanges with the following part numbers:
22774524, FN876
Frequently Asked Questions
What vehicles does the 577-340 filler neck fit?
It is a direct-fit replacement for the 2011 Chevrolet Silverado 2500 HD and 3500 HD, and the 2011 GMC Sierra 2500 HD and 3500 HD. See the Buyer's Guide tab to confirm your vehicle.
What does a fuel tank filler neck do?
It carries fuel from the gas cap opening down into the fuel tank during refueling and helps direct fuel vapors along the intended path.
What are the signs my filler neck needs replacing?
Common signs include a fuel smell near the rear of the vehicle, a pump nozzle that clicks off early or won't seat, and visible rust or cracks on the tube.
What interchange numbers does this part replace?
This filler neck cross-references 22774524 and FN876. Its own manufacturer part number is Dorman 577-340.
Will this correct a fuel leak on my truck?
If a corroded or cracked filler neck is the source of the leak, this part replaces it. Diagnose the leak first, since other fuel-system components can cause similar symptoms.
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Dorman - OE Solutions Fuel Tank Filler Neck P/N:577-340
Fuel Tank Filler NeckFuel filler neck leaking? This replacement fuel filler neck is precision-engineered and thoroughly tested to match the original filler neck for specific vehicle years, makes and...
Fuel Tank Filler NeckFuel filler neck leaking? This replacement fuel filler neck is precision-engineered and thoroughly tested to match the original filler neck for specific vehicle years, makes and...
Fuel filler neck leaking? This replacement fuel filler neck is precision-engineered and thoroughly tested to match the original filler neck for specific vehicle years, makes and models for a reliable...
Fuel filler neck leaking? This replacement fuel filler neck is precision-engineered and thoroughly tested to match the original filler neck for specific vehicle years, makes and models for a reliable...
WARNING:
These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
www.P65Warnings.ca.gov.
