





🔧 Lock in reliability, fuel your drive with confidence!
The Dorman 579-053 Fuel Tank Sending Unit Lock Ring is a precision-engineered, durable replacement part designed to restore the secure connection between the fuel pump assembly and fuel tank on select Buick, Cadillac, and Chevrolet vehicles. Manufactured to strict OEM specifications and backed by over a century of automotive expertise, it ensures reliable performance and easy fit verification for professional-grade repairs.










| ASIN | B00GJ1VUEY |
| Actuator Type | Manual |
| Best Sellers Rank | #112,959 in Automotive ( See Top 100 in Automotive ) #31 in Automotive Replacement Fuel Tank Lock Rings & Seals |
| Brand | Dorman |
| Compatible Devices | Buick Century, Buick Rainier, Buick Regal, Cadillac Escalade, Chevrolet Avalanche 1500 |
| 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 | 4.7 4.7 out of 5 stars (593) |
| Date First Available | November 7, 2013 |
| Exterior | Machined |
| Global Trade Identification Number | 00019495220459 |
| International Protection Rating | IP00 |
| Item Weight | 0.01 ounces |
| Item dimensions L x W x H | 7 x 7 x 0.4 inches |
| Item model number | 579-053 |
| Manufacturer | Dorman Products |
| Manufacturer Part Number | 579-053 |
| Model | FUEL PUMP LK RNG |
| Mounting Type | Panel Mount |
| Number of Items | 1 |
| Number of Positions | 1 |
| OEM Part Number | TR19; 15036060; 15734494 |
| Operating Voltage | 120 Volts |
| Operation Mode | OFF-NONE-ON |
| Product Dimensions | 7 x 7 x 0.4 inches |
| Terminal | Spade |
| UPC | 019495220459 |
| Unit Count | 1.0 Count |
| Vehicle Service Type | Passenger Car, Truck, SUV |
| Wattage | 240 watts |
M**R
Great Product
Work and fit perfect
T**S
Very high quality work perfect
It works perfect on a Z71 2015 Silverado
D**N
Perfect
Perfect fit
D**R
good item
good item
J**I
I order this with a fuel pump wrong part
Have no issues with price or the timing it's just the wrong part for my vehicle I want to return I've only have had it for 24 to 25 days but Amazon has never caused me a problem but the system isn't allowing me to set up a return please contact me when u can thanks
D**G
Need to get a new one, I don't suggest re-using an old one.
If you're like I was, in the middle of dropping the gas tank and replacing the fuel pump, it just makes sense to go with a brand new one of these. Make sure you get the gasket too- those usually come with the fuel pumps. It would be terrible to do all that work and re-use a rusty lock ring for it to only break a tab under pressure or just simply not seal well. If you're doing this job, I suggest going "b**s to the wall" with it, getting fresh straps, new evap purge/canister, and of course, this item here.
A**.
Quality Product
Perfect fit!
K**W
Like oem
It's better then my rusted out old one lol
A**R
It's working , bpught it for my 03 silverado with a new pump I installed, it needed some grease after cleaning the top of the fuel tank off a bit, just a bit on the metal prongs that this seals under because its quite tough to get on without it. Be careful what you thwack it on with to not cause sparks.... hmmm.. thatd be no good.
M**N
No, es compatible con mi auto
R**E
Je suis très satisfait
A**A
Glad I ordered this as the fuel pump never came with it and mine was so bad it could not be reused. My mechanic said it was a good deal.Half price of places around here,so if you need to save money for a quality part,here is where to get one.
E**N
This item arrived sooner than expected and was the perfect replacement for my old rusty one on my 2001 GMC Jimmy.
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