HomeAir and Fuel Delivery > Hardware, Fasteners and FittingsDorman 579-028 Fuel Tank Sending Unit Lock Ring
Part #: 579-028

Dorman 579-028 Fuel Tank Sending Unit Lock Ring

⚙️ 3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, Bel Air
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Reliable Fuel Tank Sending Unit Lock Ring for Chevrolet Bel Air

The Dorman 579-028 fuel tank sending unit lock ring is designed to provide a secure seal for the fuel pump assembly in Chevrolet Bel Air models. Crafted from durable rubber, this lock ring ensures a tight fit and helps maintain fuel system integrity.

  • Constructed from high-quality rubber material for durability and flexibility
  • Inside diameter measures 1.625 inches, outside diameter is 2 inches
  • Includes a gasket or seal to prevent fuel leaks
  • Package contains one fuel pump lock ring
  • Compatible specifically with Chevrolet Bel Air fuel tank sending units

Durable Rubber Construction and Precise Dimensions

The Dorman 579-028 lock ring features a rubber construction that offers resistance to fuel and environmental factors, helping to maintain a reliable seal over time. With an inside diameter of 1.625 inches and an outside diameter of 2 inches, this lock ring fits precisely around the fuel tank sending unit, ensuring proper alignment and sealing. The included gasket or seal further enhances leak prevention, making it a critical component for maintaining fuel system performance in Chevrolet Bel Air vehicles.

Applications and Common Issues Addressed

  • Secures the fuel tank sending unit to prevent fuel leaks
  • Replaces worn or damaged lock rings that cause fuel odor or leakage
  • Helps maintain accurate fuel level readings by stabilizing the sending unit
  • Prevents contamination of the fuel system by sealing the tank opening
  • Supports proper fuel pump operation by ensuring a tight seal

Installation Notes and Tips

When installing the Dorman 579-028 fuel tank sending unit lock ring, ensure the gasket or seal is properly seated to avoid leaks. Clean the mounting surface thoroughly before installation to remove any debris or old sealant. This lock ring does not include mounting hardware, so retain original fasteners or acquire compatible hardware as needed. Proper torque specifications should be followed to avoid over-tightening or damage.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for Chevrolet Bel Air vehicles. The 579-028 fuel tank sending unit lock ring undergoes quality checks to ensure material integrity and dimensional accuracy. While specific warranty details are not provided, Dorman typically offers limited warranties on their replacement parts to cover defects in material and workmanship.

BrandDorman
Part Number579-028
MaterialRubber
Inside Diameter1.625
Outside Diameter2
Mounting Hardware IncludedNo
Gasket Or Seal IncludedYes
Package Contents1 fuel pump lock ring

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
1957ChevroletBel AirN/A
1956ChevroletBel AirN/A
1955ChevroletBel AirN/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:

LO28

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