HomeAir and Fuel Delivery > Hardware, Fasteners and FittingsSpectra LO42 Fuel Tank Lock Ring
Part #: LO42

Spectra LO42 Fuel Tank Lock Ring

10 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Thunderbird
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Spectra LO42 Fuel Tank Lock Ring for Thunderbird

The Spectra LO42 fuel tank lock ring is a direct-fit hardware replacement for select Ford Thunderbird fuel system applications. It is built to meet or exceed original equipment performance standards, with manufacturing and quality control focused on consistent fit and sealing.

Key Features

  • Fuel tank lock ring for the fuel sender assembly
  • OE-style replacement for select Ford Thunderbird applications
  • Includes O-ring as noted in the fitment data
  • Engineered and manufactured to match original equipment performance expectations
  • Part number LO42 for easy identification

Detailed Description

Compatible With 1957 Ford Thunderbird, lock ring for fuel level sender, and 1958-1960 Ford Thunderbird fuel tank applications. The Spectra LO42 is designed for the fuel tank sender locking interface, helping secure the sender assembly at the tank opening while maintaining a proper seal. This part cross-references 579042 and SPILO42 for the same application. For buyers searching for a Ford Thunderbird fuel tank lock ring, fuel sender lock ring, or Spectra LO42 replacement, this part provides a direct-match service solution.

Common Issues Addressed

  • Damaged or corroded fuel sender lock ring
  • Improper sealing at the fuel tank sender opening
  • Loose or worn sender retaining hardware
  • Fuel odor caused by a compromised sender seal
  • Service replacement during fuel tank or sender repair

Installation Notes and Tips

Verify the sender opening and sealing surface before installation. Clean the tank flange and inspect the O-ring sealing area for wear, rust, or distortion. Confirm vehicle year and application details before ordering, especially on 1957 Ford Thunderbird fuel level sender service and 1958-1960 Ford Thunderbird fuel tank repairs.

Quality Assurance

Spectra Premium states that its engineering, manufacturing technology, and quality control processes are used to produce fuel tank lock rings that meet or exceed original equipment performance.

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1960FordThunderbird7.0LV8N/A(Includes O-Ring)
1960FordThunderbird5.8LV8N/A(Includes O-Ring)
1959FordThunderbird7.0LV8N/A(Includes O-Ring)
1959FordThunderbird5.8LV8N/A(Includes O-Ring)
1959FordThunderbird5.4LV8N/A(Includes O-Ring)
1958FordThunderbird5.8LV8N/A(Includes O-Ring)
1958FordThunderbird5.4LV8N/A(Includes O-Ring)
1958FordThunderbird4.8LV8N/A(Includes O-Ring)
1957FordThunderbird5.1LV8N/ALock Ring (Fuel Level Sender); (Includes O-Ring)
1957FordThunderbird4.8LV8N/ALock Ring (Fuel Level Sender); (Includes O-Ring)

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

579042SPILO42

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.