HomeAir and Fuel Delivery > Fuel StorageDorman 577-082 Fuel Tank Filler Neck
Part #: 577-082

Dorman 577-082 Fuel Tank Filler Neck

⚙️ 8 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: Subaru, Legacy and Outback
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Overview of Dorman Fuel Tank Filler Neck 577-082

The Dorman 577-082 fuel tank filler neck is designed for reliable fuel delivery in Subaru Legacy and Outback models. Constructed from durable steel, this fuel filler neck ensures a secure and long-lasting connection between the fuel cap and the fuel tank.

  • Made from sturdy steel for enhanced durability
  • Length of 38 inches for proper fitment
  • Fuel cap not included
  • Fill pipe inside diameter measures 1.12 inches
  • Includes one fuel filler neck per package

Detailed Product Description

This fuel tank filler neck by Dorman is engineered to meet the specifications required for Subaru Legacy and Outback vehicles. The 38-inch length and 1.12-inch inside diameter fill pipe provide a precise fit, ensuring efficient fuel flow and minimizing the risk of leaks. The steel construction offers resistance to corrosion and wear, which is critical for maintaining fuel system integrity over time. The part number 577-082 corresponds specifically to this model, making it easier to identify the correct replacement part for your vehicle.

Compatible Vehicles and Common Applications

This fuel filler neck is compatible with the following Subaru models:

  • Subaru Legacy
  • Subaru Outback

It is designed to address issues such as:

  • Cracked or damaged filler necks causing fuel leaks
  • Corrosion or rust buildup affecting fuel flow
  • Loose or ill-fitting filler necks leading to fuel evaporation
  • Difficulty refueling due to bent or misaligned filler pipes
  • Replacement of worn or deteriorated fuel delivery components

Installation Notes and Tips

When installing the Dorman 577-082 fuel tank filler neck, ensure the vehicle is parked on a level surface and the fuel system is depressurized. Verify the length and diameter match your Subaru Legacy or Outback specifications before installation. Since the fuel cap is not included, retain your existing cap or purchase separately if needed. Properly secure all clamps and connections to prevent leaks and ensure optimal fuel system performance.

Quality Assurance and Warranty

Dorman manufactures this fuel tank filler neck to meet or exceed OEM standards for fit, form, and function. The steel material provides durability and resistance to environmental factors. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts. Refer to the product packaging or Dorman’s official documentation for exact warranty terms.

BrandDorman
Part Number577-082
MaterialSteel
Length38
Fuel Cap IncludedNo
Fill Pipe Inside Diameter1.12
Package Contents1 fuel filler neck

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2003SubaruLegacyN/A
2003SubaruOutbackN/A
2002SubaruLegacyN/A
2002SubaruOutbackN/A
2001SubaruLegacyN/A
2001SubaruOutbackN/A
2000SubaruLegacyN/A
2000SubaruOutbackN/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:

42066AE010FN787

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