Need reliable, leak-free fuel tank lock rings that stand up to salt, heat, and daily use. Choose proven OEM and top aftermarket options like Dorman 579-102 and 579-053/579-001, Spectra LO165/LO112, GM TR26/TR14, and the 71722YH Jeep fit. Check tank type, ring diameter, tab spacing, and seal material for ethanol resistance. Match finish and hardware, replace the seal with the ring, and keep basic tools and safety gear on hand before starting.
| Dorman 579-102 Fuel Tank Lock Ring Compatible with Select Models |
| Reliable Replacement | Purpose: Secure fuel tank sending unit connection | Fitment Requirement: Vehicle-specific — confirm fit with garage tool | Construction Material / Durability: Quality/durable materials (manufactured for reliability) | VIEW LATEST PRICE | Read Our Analysis |
| Dorman Fuel Tank Sending Unit Lock Ring |
| Wide Compatibility | Purpose: Restore connection between sending unit/pump and fuel tank | Fitment Requirement: Vehicle-specific — confirm fit with vehicle-entry tool/Confirm Fit | Construction Material / Durability: Durable materials, machined exterior | VIEW LATEST PRICE | Read Our Analysis |
| Dorman Fuel Tank Sending Unit Lock Ring |
| Long-Lasting Build | Purpose: Restore connection between sending unit/pump and fuel tank | Fitment Requirement: Vehicle-specific — confirm fit before purchase | Construction Material / Durability: Durable materials, painted exterior | VIEW LATEST PRICE | Read Our Analysis |
| Fuel Tank Lock Ring For 1984-1996 Jeep Cherokee 71722YH |
| Vehicle-Specific Fit | Purpose: Fuel pump / fuel tank lock ring (seals connection) | Fitment Requirement: Vehicle-specific for 1984–1996 Jeep Cherokee | Construction Material / Durability: High-quality material, corrosion-resistant | VIEW LATEST PRICE | Read Our Analysis |
| Spectra Premium LO112 Fuel Tank Lock Ring for Toyota |
| OEM Alternative | Purpose: Seal/lock fuel tank / fuel module | Fitment Requirement: Vehicle-specific for designated Toyota models | Construction Material / Durability: High-quality, corrosion-resistant construction | VIEW LATEST PRICE | Read Our Analysis |
| GM Genuine Parts TR14 (15734494) Fuel Tank Sending Unit Lock Ring |
| Factory-Grade | Purpose: Replacement lock ring for fuel tank sending unit | Fitment Requirement: GM vehicle-specific — matches OE specification | Construction Material / Durability: Built to OEM specifications for durability/reliability | VIEW LATEST PRICE | Read Our Analysis |
| Dorman Fuel Tank Sending Unit Lock Ring |
| Trusted Performance | Purpose: Restore connection between sending unit/pump and fuel tank | Fitment Requirement: Vehicle-specific — confirm fit with vehicle-entry tool | Construction Material / Durability: Durable construction to OEM-like specs | VIEW LATEST PRICE | Read Our Analysis |
| GM Genuine Parts TR26 (10325852) Fuel Tank Lock Ring (Right) |
| Right-Side Exact Fit | Purpose: Seal/retain fuel tank sending unit (right-side) | Fitment Requirement: GM vehicle-specific (right-side) — designed for applicable GM models | Construction Material / Durability: OE-spec manufacturing for durability/reliability | VIEW LATEST PRICE | Read Our Analysis |
| Spectra Premium LO165 Fuel Tank Lock Ring Black |
| Corrosion-Resistant | Purpose: Replace lock ring to seal fuel tank / prevent leakage | Fitment Requirement: Vehicle-specific OEM fit for designated models | Construction Material / Durability: High-quality, corrosion-resistant material (black finish) | VIEW LATEST PRICE | Read Our Analysis |
| Fuel Tank Lock Ring Sealer Replacement Kit with Screws |
| Complete Repair Kit | Purpose: Seal fuel tank lock ring (repair kit) to prevent leakage | Fitment Requirement: Vehicle-specific compatibility (lists compatible makes/models/TR numbers) | Construction Material / Durability: Corrosion-resistant, wear-resistant materials (repair kit) | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
Dorman 579-102 Fuel Tank Lock Ring Compatible with Select Models
Should you’re replacing a fuel sender or servicing the fuel tank, the Dorman 579-102 fuel tank lock ring is a smart choice anytime you need a direct, dependable fit. You’ll appreciate how it matches the original part’s fit, function, and performance, so installation feels predictable and secure. Before you buy, use your garage tool and enter make, model, and trim to confirm compatibility. It’s built from quality materials for long service life, so you won’t worry about premature failure. Designers with deep aftermarket experience crafted it, and you’ll find it easy to use whenever securing the sending unit.
- Purpose:Secure fuel tank sending unit connection
- Fitment Requirement:Vehicle-specific — confirm fit with garage tool
- Construction Material / Durability:Quality/durable materials (manufactured for reliability)
- OE / Direct Replacement:Direct replacement matching original fit/function
- Recommended When Servicing Sending Unit:Recommended replacement when servicing sending unit
- Manufacturer / Brand Backing:Dorman (aftermarket, seasoned designers/engineers)
- Additional Feature:Verify with garage tool
- Additional Feature:Superior service reliability
- Additional Feature:Designed by veteran engineers
Dorman Fuel Tank Sending Unit Lock Ring
In case you need a simple, reliable fix for a failed fuel pump seal, the Dorman 579-053 Fuel Tank Sending Unit Lock Ring is a great choice for owners of compatible Buick, Cadillac, and Chevrolet models who want a durable, direct-fit replacement. You’ll find it matches OE performance and restores the connection between the fuel pump or module and the tank. It’s machined to precise specs from durable materials, so you can expect long life. Check fit using the Confirmed Fit tool and the blue i for remarks. It ships as a single unit and Dorman offers support should you require help.
- Purpose:Restore connection between sending unit/pump and fuel tank
- Fitment Requirement:Vehicle-specific — confirm fit with vehicle-entry tool/Confirm Fit
- Construction Material / Durability:Durable materials, machined exterior
- OE / Direct Replacement:Engineered to match original equipment performance
- Recommended When Servicing Sending Unit:Replace when factory ring failed/damaged during sending unit service
- Manufacturer / Brand Backing:Dorman Products (listing with part/OEM references)
- Additional Feature:Matches OEM numbers
- Additional Feature:Lightweight packaging dimensions
- Additional Feature:IP00 (no protection)
Dorman Fuel Tank Sending Unit Lock Ring
You’ll appreciate the Dorman 579-001 Fuel Tank Sending Unit Lock Ring in case you want a straightforward, dependable fix that restores the seal between the fuel sending unit and the tank on specific vehicles. You’ll find it’s a direct replacement built to match original equipment performance, so you won’t worry about fit or function once you confirm compatibility. It’s made to precise specs from durable materials for long life, and U.S.-based experts back it. Check fit with the product page tool and the Confirmed Fit indicator before you buy. The painted black finish and simple surface mount keep installation familiar and clean.
- Purpose:Restore connection between sending unit/pump and fuel tank
- Fitment Requirement:Vehicle-specific — confirm fit before purchase
- Construction Material / Durability:Durable materials, painted exterior
- OE / Direct Replacement:Direct replacement engineered to match OE performance
- Recommended When Servicing Sending Unit:Replace when servicing sending unit / fuel module
- Manufacturer / Brand Backing:Dorman Products (U.S.-based product experts)
- Additional Feature:Multiple OEM references
- Additional Feature:Painted exterior finish
- Additional Feature:Spade terminal connector
Fuel Tank Lock Ring For 1984-1996 Jeep Cherokee 71722YH
Should you own a 1984 to 1996 Jeep Cherokee and want a hassle-free way to stop fuel leaks, this Fuel Tank Lock Ring 71722YH is a smart pick that fits like a factory part. You’ll like that Jetuplusllc designed it to match OEM fit, form and function, so installation is straightforward and reliable. It includes an O-ring and resists corrosion, which helps prevent costly leaks and keeps your fuel system secure. It’s new, light weight, and backed by a six month manufacturer warranty plus Amazon returns. Replace it whenever you change the tank or fuel module for best results.
- Purpose:Fuel pump / fuel tank lock ring (seals connection)
- Fitment Requirement:Vehicle-specific for 1984–1996 Jeep Cherokee
- Construction Material / Durability:High-quality material, corrosion-resistant
- OE / Direct Replacement:OEM design / fit, form and function
- Recommended When Servicing Sending Unit:Recommended replacement when changing fuel tank or fuel module
- Manufacturer / Brand Backing:Jetuplusllc (seller/manufacturer listing with warranty)
- Additional Feature:Includes O-ring
- Additional Feature:6-month warranty
- Additional Feature:Vehicle-specific fit
Spectra Premium LO112 Fuel Tank Lock Ring for Toyota
Choose the Spectra Premium LO112 whenever you want a hassle-free, direct replacement that fits your Toyota like the original. You’ll get an application-specific design that matches fit, form, and function so installation is straightforward. Spectra Premium’s engineering gives you corrosion resistance and performance that meets or exceeds the original part, so you can trust long-term durability. Replace the lock ring whenever you change the fuel tank or fuel module to prevent leakage, and follow simple steps to seat it correctly. You’ll appreciate the maker’s quality control, clear fitment, and the reassurance that comes with a precise, reliable replacement.
- Purpose:Seal/lock fuel tank / fuel module
- Fitment Requirement:Vehicle-specific for designated Toyota models
- Construction Material / Durability:High-quality, corrosion-resistant construction
- OE / Direct Replacement:OEM guarantee — fit, form, function
- Recommended When Servicing Sending Unit:Replace when changing fuel tank or fuel module
- Manufacturer / Brand Backing:Spectra Premium (manufacturer assurance)
- Additional Feature:Toyota-specific application
- Additional Feature:OEM corrosion resistance
- Additional Feature:Spectra engineering support
GM Genuine Parts TR14 (15734494) Fuel Tank Sending Unit Lock Ring
Should you want a worry-free replacement that fits like the factory part, the GM Genuine Parts TR14 (15734494) Fuel Tank Sending Unit Lock Ring is a smart pick for owners and DIYers working on GM vehicles. You’ll like that it’s made to GM OE specs, so it matches fit, form, and function you expect. It gives secure mounting for the sending unit and feels sturdy while you install it. You can trust its durability and reliability because GM recommends it as the replacement for the original. Whenever you work on your tank, this ring makes the job feel straightforward and sure.
- Purpose:Replacement lock ring for fuel tank sending unit
- Fitment Requirement:GM vehicle-specific — matches OE specification
- Construction Material / Durability:Built to OEM specifications for durability/reliability
- OE / Direct Replacement:GM Genuine OE part — matches factory component
- Recommended When Servicing Sending Unit:Recommended by GM as replacement for factory lock ring during service
- Manufacturer / Brand Backing:GM Genuine Parts (factory brand)
- Additional Feature:GM OE specification
- Additional Feature:Factory-recommended replacement
- Additional Feature:OEM brand authenticity
Dorman Fuel Tank Sending Unit Lock Ring
Should you want a reliable, long-lasting fix for a leaking or damaged fuel tank lock ring, the Dorman 579-003 is a strong choice for DIYers and pro mechanics alike. You’ll find it restores the connection between your fuel pump, module, or sending unit and the tank without fuss. It’s built to match original equipment performance and made to strict specs, so you can trust durability and fit. Verify compatibility with the vehicle input tool and Confirmed Fit indicator, and hover the blue-circle i for fit annotation. Dorman backs it with U.S. experts and over a century of automotive experience.
- Purpose:Restore connection between sending unit/pump and fuel tank
- Fitment Requirement:Vehicle-specific — confirm fit with vehicle-entry tool
- Construction Material / Durability:Durable construction to OEM-like specs
- OE / Direct Replacement:Engineered to match original equipment performance
- Recommended When Servicing Sending Unit:Recommended when servicing sending unit / pump
- Manufacturer / Brand Backing:Dorman Products (aftermarket with support)
- Additional Feature:Confirmed Fit indicator
- Additional Feature:Backed by U.S. experts
- Additional Feature:Century-plus company history
GM Genuine Parts TR26 (10325852) Fuel Tank Lock Ring (Right)
Should you want a dependable, OEM-quality seal for the right side of your GM fuel tank, the GM Genuine Parts TR26 (10325852) Fuel Tank Lock Ring is a strong fit for technicians and DIYers who value precision and reliability. You’ll get a GM-recommended replacement built to original equipment standards, so fit and function align with the tank and sending unit. It seals out dirt and moisture while holding the sending unit securely. Because it’s made to GM specification, you’ll feel confident in its durability and compatibility with applicable GM models. Install it with steady hands and basic tools.
- Purpose:Seal/retain fuel tank sending unit (right-side)
- Fitment Requirement:GM vehicle-specific (right-side) — designed for applicable GM models
- Construction Material / Durability:OE-spec manufacturing for durability/reliability
- OE / Direct Replacement:GM Genuine OE specification, direct replacement (right)
- Recommended When Servicing Sending Unit:Replacement for fuel system service (retains sending unit)
- Manufacturer / Brand Backing:GM Genuine Parts (OE brand, TR26/10325852)
- Additional Feature:Right-side orientation
- Additional Feature:Seals out contaminants
- Additional Feature:Direct GM replacement
Spectra Premium LO165 Fuel Tank Lock Ring Black
Provided you want a reliable, OEM-quality seal whenever replacing a fuel tank or module, the Spectra Premium LO165 Fuel Tank Lock Ring, Black is a smart pick. You’ll get an exact fit because it matches OEM design, so installation is straightforward and parts mate correctly. It’s made from quality, corrosion-resistant material, so you can trust it to hold up over time. You won’t worry about costly leaks since it’s built to prevent them. The black finish looks clean and helps resist wear. Should you value peace of mind and a durable, precise replacement, this ring serves you well.
- Purpose:Replace lock ring to seal fuel tank / prevent leakage
- Fitment Requirement:Vehicle-specific OEM fit for designated models
- Construction Material / Durability:High-quality, corrosion-resistant material (black finish)
- OE / Direct Replacement:OEM fit, form, function replacement
- Recommended When Servicing Sending Unit:Replace when changing fuel tank or fuel module to prevent leakage
- Manufacturer / Brand Backing:Spectra Premium (brand name)
- Additional Feature:Black finish
- Additional Feature:Corrosion-resistant material
- Additional Feature:Prevents costly leaks
Fuel Tank Lock Ring Sealer Replacement Kit with Screws
In case you want a reliable, easy fix for a leaky fuel tank seal, this Fuel Tank Lock Ring Sealer Replacement Kit with screws is a smart choice for owners of GM, Chrysler, Ford, and Dodge trucks. You get a gas tank lock ring sealer that replaces common part numbers like TR-26 and LO166, and the kit includes seven screws for a full install. The materials resist corrosion and wear, so the seal lasts in rough conditions. You’ll install it at home without special tools, stop fuel and vapor leaks, cut evaporation loss, and feel safer driving with steady fuel system performance.
- Purpose:Seal fuel tank lock ring (repair kit) to prevent leakage
- Fitment Requirement:Vehicle-specific compatibility (lists compatible makes/models/TR numbers)
- Construction Material / Durability:Corrosion-resistant, wear-resistant materials (repair kit)
- OE / Direct Replacement:Replaces TR-26/LO166 and other OEM references (repair kit)
- Recommended When Servicing Sending Unit:Intended for fuel tank repair / replacement during service (includes screws/sealer)
- Manufacturer / Brand Backing:Aftermarket repair kit (generic name; lists compatible OEM references)
- Additional Feature:Includes 7 screws
- Additional Feature:Multi-brand compatibility
- Additional Feature:DIY-friendly installation
Factors to Consider When Choosing Fuel Tank Lock Rings Seals
Whenever you pick a fuel tank lock ring seal, ponder initially about fitment and compatibility so the seal matches your tank and sending unit. You’ll also want to check material and corrosion resistance plus seal design and effectiveness because those affect longevity and leak prevention. Finally consider installation and replacement ease and weigh OEM versus aftermarket options to find a reliable choice that suits your skills and budget.
Fitment And Compatibility
Because your vehicle’s fuel system is built to tight tolerances, you should check fit and compatibility carefully before you buy a lock ring seal. You want a part that mates to your year, make, model, and trim, including the tank type and mounting orientation, so the ring seats without forcing it. Check OEM or OE equivalent part numbers and measure outer diameter, inner diameter, and tab spacing so the locking features engage. Also confirm the ring design matches plastic or metal tanks and single piece or two piece assemblies because interfaces differ. Make sure keyed orientation and O ring groove alignment match the fuel module. Use fitment tools and chassis or fuel module codes rather than generic names to avoid mistakes.
Material And Corrosion Resistance
Should you want a lock ring seal that lasts, pick materials that fight fuel and rust without drama. You’ll want stainless steel 304 or 316 for metal rings because they resist corrosion in humid, salty, and coastal conditions. For seals, choose nitrile NBR for everyday gasoline, viton FKM should you require extra ethanol and heat resistance, and PTFE whenever you desire the broadest chemical protection. Look for protective coatings like zinc plating, epoxy, passivation, or anodizing on metal parts. Check durometer ratings so softer elastomers conform but might swell with ethanol, while harder ones hold shape and need precise fit. Always verify temperature and chemical exposure limits so the seal stays reliable from cold starts to hot days.
Seal Design And Effectiveness
In case you want a fuel tank lock ring seal that actually stops leaks and stays put, start with the seal design and how it meets the parts it touches. You’ll want a properly sized seal with uniform cross sectional thickness so it contacts the entire flange and keeps fuel and vapor in, even under pressure and vibration. Consider profile too. O rings give point compression, flat gaskets spread load for larger gaps, and lip seals hold contact with small axial movement. Choose material for your fuel and temperature needs, like nitrile for gasoline or Viton for hotter, aggressive fuels. Check compression set resistance and Shore A hardness so the seal keeps force over time. Also inspect flange finish and concentricity to reduce leak paths and lower preload needed.
Installation And Replacement Ease
Now that you’ve picked a seal that matches the flange and fuel type, consider how easy it will be to install and replace the lock ring whenever service is needed. Initially, check whether the ring is threaded, bayonet, or snap-fit, since each needs different tools and motions. After that confirm how much access space you have and whether panels or seats must come out, because tight clearance can mean low-profile tools or a pump service module. Always depressurize the fuel system and disconnect the battery before you touch anything to reduce fire risk. Inspect and replace the gasket or O-ring at the same time, hand-start fasteners, then follow the exact torque or seating steps to avoid leaks. Work clean, keep lint and dirt out, and protect the sending unit while you swap the ring.
OEM Versus Aftermarket Options
Because your fuel system holds both money and safety, choosing between an OEM seal and an aftermarket one matters more than you might believe. You’ll get an exact fit with OEM parts because they follow the maker’s specs for threads, locking geometry, and materials. That reduces the chance of leaks and keeps the sending unit clamped properly. Aftermarket seals can fit more models and cost less, but you’ll need to check dimensions, O-ring cross-section, and material compatibility with modern fuels and additives. Look for measured tolerances or fit data whenever sealing critical surfaces. Also prefer corrosion resistant finishes and traceable material info whenever possible. Whenever you replace the sending unit, change the lock ring and seal together to preserve clamping force.
