Automotive replacement fuel tank lock rings and seals: top picks

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Automotive replacement fuel tank lock rings and seals: top picks

AI-generated summary · updated September 9, 2026 · verify details before purchase.

1 Best overall Dorman
Dorman 924-109 Fuel Tank Lock Ring

4.6/5 $19.26

High-quality steel lock ring with corrosion-resistant coating, ensuring a secure fit and long-lasting performance.
- Durable construction
- Corrosion-resistant
- Easy installation
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2 OEM quality GM GENUINE PARTS
ACDelco 45-1057 Fuel Tank Lock Ring

4.5/5 $23.03

GM original equipment manufacturer replacement, precision-engineered for exact fit and reliable seal.
- OEM fit
- High reliability
- Trusted brand
- Slightly higher price
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3 Best budget pick Dorman
Airtex 5S7002 Fuel Tank Sending Unit Lock Ring

4.4/5 $12.99

Affordable alternative with zinc-plated finish, compatible with many GM and Chrysler vehicles.
- Low cost
- Zinc-plated
- Universal fit
- May not fit all models
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4 Best value Spectra Premium
Spectra Premium CR1 Fuel Tank Lock Ring

4.3/5 $17.02

Economical lock ring with durable steel construction, widely used as a direct replacement.
- Affordable
- Widely compatible
- Easy to install
- Less corrosion protection
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5 Universal fit Dorman
Dorman 924-122 Fuel Tank Sending Unit Lock Ring

4.5/5 $12.99

Versatile lock ring designed to fit many applications with a cam-lock design for secure sealing.
- Cam-lock design
- Universal
- Sturdy
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6 Heavy-duty use Carter Fuel Systems
Carter P76268M Fuel Tank Lock Ring

4.2/5 $14.80 Only 2 left

Rugged steel lock ring with E-coating for enhanced durability, suitable for demanding conditions.
- E-coated
- Heavy-duty
- Long-lasting
- Pricier than some
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7 Best with seal Gates
Gates 36578 Fuel Tank Cap Lock Ring and Seal

4.4/5 $23.59

Combo includes lock ring and rubber seal for a complete replacement, ensuring no leaks.
- Includes seal
- No leaks
- Easy kit
- Seal may wear quickly
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8 Simple replacement KOROP
Standard Motor Products LR-5 Fuel Tank Lock Ring

4.1/5 $11.99

Basic steel lock ring, no-frills option for straightforward replacement needs.
- Simple design
- Budget-friendly
- Functional
- No corrosion coating
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Buying tips

When choosing a fuel tank lock ring, prioritize material quality (e.g., steel with corrosion-resistant coating) and ensure compatibility with your vehicle's make and model. Check if you need a seal separately or if it's included. For a balance of value and durability, Dorman and AC Delco are reliable. Budget options like Spectra Premium work well but may lack corrosion protection.

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Automotive replacement fuel tank lock rings and seals: top picks

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