HomeAir and Fuel Delivery > Hardware, Fasteners and FittingsDorman 579-071 Fuel Tank Sending Unit Lock Ring
Part #: 579-071

Dorman 579-071 Fuel Tank Sending Unit Lock Ring

⚙️ 10 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Geo and Toyota, Corolla and Prizm
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Reliable Fuel Tank Sending Unit Lock Ring for Geo and Toyota

The Dorman 579-071 fuel tank sending unit lock ring is designed to provide a secure seal and reliable fitment for your vehicle's fuel system. Specifically compatible with Geo Prizm and Toyota Corolla models, this lock ring ensures proper installation and function of the fuel pump assembly.

  • Constructed from durable rubber material for effective sealing
  • Inside diameter measures 3.93 inches for precise fit
  • Outside diameter and lock ring diameter both measure 5.11 inches
  • Includes mounting hardware and gasket/seal for installation
  • Package contains one fuel pump lock ring

Durable Rubber Construction and Precise Dimensions

The Dorman 579-071 lock ring is made from high-quality rubber, providing a flexible yet secure seal around the fuel tank sending unit. Its 3.93-inch inside diameter and 5.11-inch outside diameter ensure compatibility with the fuel pump assembly on Geo Prizm and Toyota Corolla vehicles. The included gasket or seal helps prevent fuel leaks and maintains system integrity. This lock ring is engineered to maintain a tight fit under various operating conditions, contributing to the overall reliability of your vehicle's fuel delivery system.

Compatible Vehicles and Common Applications

This fuel tank sending unit lock ring is compatible with the following vehicles:

  • Geo Prizm fuel pump lock ring replacement
  • Toyota Corolla fuel tank sending unit seal

It is commonly used to address issues such as:

  • Fuel leaks around the sending unit
  • Loose or damaged lock ring causing fuel system malfunctions
  • Difficulty maintaining proper fuel pump assembly alignment
  • Wear or deterioration of the original lock ring seal

Installation Notes and Tips

When installing the Dorman 579-071 lock ring, ensure the gasket or seal is properly seated to prevent leaks. Verify that the lock ring diameter matches the fuel tank opening to maintain a secure fit. Use the included mounting hardware to tighten the lock ring evenly, avoiding over-tightening which could damage the rubber material. Proper installation will help maintain fuel system integrity and prevent future issues.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The 579-071 fuel tank sending unit lock ring undergoes quality checks to maintain consistent standards. Please refer to Dorman's warranty policy for specific coverage details.

BrandDorman
Part Number579-071
MaterialRubber
Inside Diameter3.93
Outside Diameter5.11
Mounting Hardware IncludedYes
Gasket Or Seal IncludedYes
Lock Ring Diameter (In)5.11 in
Package Contents1 fuel pump lock ring

This part fits 10 vehicles. Search below:

YearMakeModelPositionNotes
1997GeoPrizmN/AFuel Pump; 5 In. I.D.
1997ToyotaCorollaN/AFuel Pump
1996GeoPrizmN/AFuel Pump; 5 In. I.D.
1996ToyotaCorollaN/AFuel Pump
1995GeoPrizmN/AFuel Pump; 5 In. I.D.
1995ToyotaCorollaN/AFuel Pump
1994GeoPrizmN/AFuel Pump; 5 In. I.D.
1994ToyotaCorollaN/AFuel Pump
1993GeoPrizmN/AFuel Pump; 5 In. I.D.
1993ToyotaCorollaN/AFuel Pump

* 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:

LO71

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