---
product_id: 49734217
title: "Dorman 579-053 Fuel Tank Sending Unit Lock Ring Compatible with Select Models"
brand: "dorman"
price: "97.78 DT"
currency: TND
in_stock: true
reviews_count: 13
category: "Dorman"
url: https://www.desertcart.tn/products/49734217-dorman-579-053-fuel-tank-sending-unit-lock-ring-compatible
store_origin: TN
region: Tunisia
---

# Precision-machined fit Compatible with select GM models Durable metal construction Dorman 579-053 Fuel Tank Sending Unit Lock Ring Compatible with Select Models

**Brand:** dorman
**Price:** 97.78 DT
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock in reliability, fuel your drive with confidence!

## Quick Answers

- **What is this?** Dorman 579-053 Fuel Tank Sending Unit Lock Ring Compatible with Select Models by dorman
- **How much does it cost?** 97.78 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/49734217-dorman-579-053-fuel-tank-sending-unit-lock-ring-compatible)

## Best For

- dorman enthusiasts

## Why This Product

- Trusted dorman brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Crafted from high-grade metal ensuring long-term durability under demanding conditions
- • **Trusted Expertise:** Backed by over 100 years of automotive innovation and quality assurance from Dorman
- • **Perfect Fit Guarantee:** Use our garage tool to confirm exact vehicle compatibility and avoid installation guesswork
- • **Effortless Installation:** Manual actuator and clamp connector designed for quick, secure mounting without hassle
- • **Seamless OEM Replacement:** Engineered to match original equipment specs for flawless fuel system integration

## Overview

The Dorman 579-053 Fuel Tank Sending Unit Lock Ring is a precision-engineered, direct replacement part designed to restore and secure the connection between the fuel pump assembly and fuel tank on select Buick, Cadillac, and Chevrolet models. Manufactured to strict OEM standards with durable metal construction, it guarantees a perfect fit and reliable performance, backed by Dorman’s century-long automotive expertise.

## Description

This fuel tank sending unit lock ring is designed to help restore the connection between the fuel pump, module and/or sending unit and the fuel tank on specified vehicles. It is engineered to match the performance of the original equipment lock ring when the factory ring has failed or is damaged. Manufactured to precise specifications for specified vehicles, it is made with durable materials for reliable performance and long life.

Review: Great Product - Work and fit perfect
Review: Very high quality work perfect - It works perfect on a Z71 2015 Silverado

## Features

- Direct replacement - this fuel tank sending unit lock ring is designed to help restore the connection between the fuel pump, module and/or sending unit and the fuel tank on specified vehicles
- Ideal solution - engineered to match the performance of the original equipment lock ring when the factory ring has failed or is damaged
- Durable construction - designed and manufactured to strict specifications for reliable performance
- Trustworthy quality - backed by a team of product experts in the United States and more than a century of automotive experience
- Ensure fit - Input your vehicle into the garage tool and check Confirmed Fit bar at the top of the page. If there is an “i” in a blue circle, additional verification is needed. Please hover over the "i" to verify fitment notes match your vehicle.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00GJ1VUEY |
| Actuator Type | Manual |
| Best Sellers Rank | #179,877 in Automotive ( See Top 100 in Automotive ) #53 in Automotive Replacement Fuel Tank Lock Rings & Seals |
| Brand | Dorman |
| Brand Name | Dorman |
| Color | black |
| Compatible Devices | Buick Century, Buick Rainier, Buick Regal, Cadillac Escalade, Chevrolet Avalanche 1500 |
| Compatible with Vehicle Type | Passenger Car, Truck, SUV |
| Connectivity Protocol | X-10 |
| Connector Type | Clamp |
| Contact Material | Metal |
| Contact Type | 10pdt |
| Control Method | Touch |
| Controller Type | Ring |
| Current Rating | 2 Amps |
| Customer Reviews | 4.6 out of 5 stars 606 Reviews |
| Global Trade Identification Number | 00019495220459 |
| Included Components | FUEL PUMP LK RNG |
| International Protection Rating | IP00 |
| Item Dimensions | 7 x 7 x 0.4 inches |
| Item Type Name | ACCESSORIES |
| Item Weight | 0.01 Ounces |
| Manufacturer | Dorman Products |
| Material Type | Plastic |
| Model | 579-053 |
| Mounting Type | Panel Mount |
| Number of Items | 1 |
| Number of Positions | 1 |
| Operating Voltage | 120 Volts |
| Operation Mode | OFF-NONE-ON |
| Part Number | 579-053 |
| Smart Home Compatibility | Not Smart Home Compatible |
| Switch Type | Metal |
| Terminal | Spade |
| UPC | 019495220459 |
| Unit Count | 1.0 Count |
| Warranty Description | Limited Lifetime Warranty |
| Wattage | 240 watts |

## Product Details

- **Brand:** Dorman
- **Connector Type:** Clamp
- **Contact Type:** 10pdt
- **Current Rating:** 2 Amps
- **Item dimensions L x W x H:** 7 x 7 x 0.4 inches
- **Material:** Plastic
- **Operating Voltage:** 120 Volts
- **Operation Mode:** OFF-NONE-ON
- **Switch Type:** Metal
- **Terminal:** Spade

## Images

![Dorman 579-053 Fuel Tank Sending Unit Lock Ring Compatible with Select Models - Image 1](https://m.media-amazon.com/images/I/71hq4jAQFoL.jpg)
![Dorman 579-053 Fuel Tank Sending Unit Lock Ring Compatible with Select Models - Image 2](https://m.media-amazon.com/images/I/81b2MKce9NL.jpg)
![Dorman 579-053 Fuel Tank Sending Unit Lock Ring Compatible with Select Models - Image 3](https://m.media-amazon.com/images/I/71VG7PEkziL.jpg)
![Dorman 579-053 Fuel Tank Sending Unit Lock Ring Compatible with Select Models - Image 4](https://m.media-amazon.com/images/I/71DaIeQl4QL.jpg)
![Dorman 579-053 Fuel Tank Sending Unit Lock Ring Compatible with Select Models - Image 5](https://m.media-amazon.com/images/I/71QfFEUncKL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Product
*by M***R on August 1, 2025*

Work and fit perfect

### ⭐⭐⭐⭐⭐ Very high quality work perfect
*by T***S on August 11, 2025*

It works perfect on a Z71 2015 Silverado

### ⭐⭐⭐⭐⭐ Perfect
*by D***N on January 27, 2026*

Perfect fit

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**Shop now:** [https://www.desertcart.tn/products/49734217-dorman-579-053-fuel-tank-sending-unit-lock-ring-compatible](https://www.desertcart.tn/products/49734217-dorman-579-053-fuel-tank-sending-unit-lock-ring-compatible)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-06-01*