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Dorman 579-102 Fuel Tank Lock Ring

  • Based on 173 reviews
Condition: New
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$19.25 Why this price?
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Availability: In Stock.
Fulfilled by Amazon

Arrives Wednesday, Oct 14
Order within 14 hours and 53 minutes
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Features

  • Direct replacement - this fuel tank lock ring matches the fit, function and performance of the original part
  • Ideal solution - recommended for replacement whenever the sending unit is serviced to ensure a secure connection to the fuel tank
  • Durable construction - manufactured from quality materials for superior service and reliability
  • Trustworthy design - backed by a team of product designers and engineers with over 100 years of automotive aftermarket experience
  • Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

Description

A recommended replacement whenever the sending unit is serviced, this fuel tank lock ring is a direct match for the original part. Designed for a secure fit, it's manufactured from durable materials for reliable service.

Brand: Dorman


Material: Alloy Steel


Item dimensions L x W x H: 12 x 7.5 x 1 inches


Exterior Finish: Machined


Vehicle Service Type: Car, Truck


Brand Name: Dorman


Manufacturer Part Number: 579-102


OEM Equivalent Part Number: LO164; 10325852; 94702378


Global Trade Identification Number: 02


UPC: 885484657502


Item Highlight: Fits Select Models


Manufacturer: Dorman Products


Number of Items: 1


Included Components: 1 Fuel Tank Lock Ring


Item Type Name: Fuel Tank Lock Ring


Model Number: 579-102


Unit Count: 1 Count


Manufacturer Warranty Description: Limited Lifetime Warranty


Compatible with Vehicle Type: Car, Truck


Fuel Type: Gasoline


Product Grade: Replacement Part


Fit Type: Vehicle Specific


Automotive Fit Type: Vehicle Specific Fit


Item Dimensions: 12 x 7.5 x 1 inches


Item Weight: 7.84 ounces


Material Type: Alloy Steel


Exterior Finish: Machined


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Oct 14

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Great Product
works great
Reviewed in the United States on August 2, 2026 by Peg Crow

  • Dorman parts that fit!
Dorman fuel tank pump lock ring heavy built and o-ring to make sure the gas doesn’t leak between pump and tank. Both fit like OEM and reasonably priced.
Reviewed in the United States on February 22, 2026 by G-Body electric lock switches. Look like OEM and work great!

  • Works perfectly.
Great value and function.
Reviewed in the United States on June 30, 2026 by Travis D.

  • Nice ring
A quality ring that comes with a new o ring, went on new fuel pump like butter for a 2005 Suburban 1500 4wd flex fuel
Reviewed in the United States on April 25, 2025 by KMD

  • Works for me
I use this one replace the fuel pump on my 2006 Chevrolet Avalanche with the 5.3 L and it fit perfectly like oe and was easy to install.
Reviewed in the United States on June 17, 2025 by Rudyfastcat

  • Work good
Does its job
Reviewed in the United States on December 26, 2025 by john marsillett

  • WORKED WELL
EXACTLY WHAT I WAS EXPECTING. WORKED WELL. GREAT VALUE.
Reviewed in the United States on February 9, 2026 by Anthony Motz

  • Works as it should
I purchased this along with a sending unit. Just wanted to replace everything with new and this worked great.
Reviewed in the United States on December 16, 2024 by Phil's TT

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