HomeAir and Fuel Delivery > Fuel StorageDorman 577-329 Fuel Tank Filler Neck
Part #: 577-329

Dorman 577-329 Fuel Tank Filler Neck

⚙️ 20 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, Canyon and Colorado
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Overview of Dorman Fuel Tank Filler Neck 577-329

The Dorman 577-329 fuel tank filler neck is designed for reliable fuel delivery in Chevrolet and GMC trucks. Constructed from durable steel, this filler neck ensures a secure connection between the fuel cap and the fuel tank for your Canyon or Colorado model.

  • Made from sturdy steel for long-lasting durability
  • Length of 12.5 inches for proper fitment
  • 1-inch inside diameter fill pipe for efficient fuel flow
  • Includes 1 filler neck and 1 ground wire in the package
  • Compatible with Chevrolet Canyon and GMC Colorado models

Detailed Product Description

The Dorman 577-329 fuel tank filler neck is engineered to meet the specifications required for Chevrolet Canyon and GMC Colorado trucks. Its 12.5-inch length and 1-inch inside diameter fill pipe provide a precise fit and optimal fuel flow. Made from steel, this filler neck offers resistance to corrosion and wear, ensuring consistent performance over time. The included ground wire helps maintain proper electrical grounding, which is essential for safe fuel system operation. This part does not include a fuel cap, so it is intended for use with your existing cap or a separately purchased replacement.

Common Applications and Problem Resolution

  • Replacement for damaged or corroded fuel tank filler necks
  • Fixes fuel leaks around the filler neck area
  • Resolves issues with improper fuel flow during refueling
  • Addresses grounding problems related to fuel system electrical components
  • Restores secure connection between fuel tank and filler pipe

Installation Notes and Tips

When installing the Dorman 577-329 fuel tank filler neck, ensure the vehicle is parked on a level surface and the engine is cool. Carefully remove the old filler neck and inspect the surrounding fuel system components for damage or wear. Connect the ground wire securely to maintain proper electrical grounding. Verify that the filler neck aligns correctly with the fuel tank inlet and the fuel cap fits properly after installation. Professional installation is recommended if you are unfamiliar with fuel system components.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 577-329 fuel tank filler neck undergoes quality checks to ensure durability and performance. Please refer to Dorman's official warranty policy for specific coverage details.

BrandDorman
Part Number577-329
MaterialSteel
Length12.5
Fuel Cap IncludedNo
Fill Pipe Inside Diameter1
Package Contents1 filler neck; 1 ground wire

This part fits 20 vehicles. Search below:

YearMakeModelBody TypeWheel BasePositionNotes
2008ChevroletColoradoStandard Cab Pickup111.3"N/A
2008ChevroletColoradoExtended Cab PickupN/A
2008GMCCanyonStandard Cab Pickup111.3"N/A
2008GMCCanyonExtended Cab PickupN/A
2007ChevroletColoradoStandard Cab Pickup111.3"N/A
2007ChevroletColoradoExtended Cab PickupN/A
2007GMCCanyonStandard Cab Pickup111.3"N/A
2007GMCCanyonExtended Cab PickupN/A
2006ChevroletColoradoStandard Cab Pickup111.3"N/A
2006ChevroletColoradoExtended Cab PickupN/A
2006GMCCanyonStandard Cab Pickup111.3"N/A
2006GMCCanyonExtended Cab PickupN/A
2005ChevroletColoradoStandard Cab Pickup111.2"N/A
2005ChevroletColoradoExtended Cab PickupN/A
2005GMCCanyonStandard Cab Pickup111.2"N/A
2005GMCCanyonExtended Cab PickupN/A
2004ChevroletColoradoStandard Cab Pickup111.2"N/A
2004ChevroletColoradoExtended Cab PickupN/A
2004GMCCanyonStandard Cab Pickup111.2"N/A
2004GMCCanyonExtended Cab PickupN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

10366183FN921

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.