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
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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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Reliable Fuel Tank Lock Ring for Ford Thunderbird

The Spectra LO42 fuel tank lock ring is designed specifically for Ford Thunderbird models, providing a secure seal for your vehicle's fuel tank. This essential component ensures proper fuel system integrity and helps maintain optimal vehicle performance.

Key Features of Spectra LO42 Fuel Tank Lock Ring

  • Compatible with Ford Thunderbird fuel systems
  • Durable construction for long-lasting use
  • Precise fitment to maintain fuel tank seal
  • Part number LO42 for easy identification
  • Designed to prevent fuel leaks and vapor loss

Detailed Description of the Fuel Tank Lock Ring

The Spectra LO42 fuel tank lock ring is engineered to fit Ford Thunderbird models, ensuring a tight and secure connection between the fuel tank and the fuel pump assembly. This lock ring plays a critical role in preventing fuel leaks and maintaining the integrity of the fuel delivery system. Manufactured with durable materials, it withstands exposure to fuel and environmental conditions, helping to extend the life of your vehicle's fuel system components. The precise fitment of part number LO42 reduces the risk of vapor leaks and supports proper fuel system pressure.

Common Applications and Issues Addressed

  • Secures the fuel pump assembly to the fuel tank
  • Prevents fuel leaks caused by worn or damaged lock rings
  • Eliminates fuel vapor loss that can trigger check engine lights
  • Maintains proper fuel system pressure for efficient engine operation
  • Replaces corroded or broken lock rings in Ford Thunderbird fuel tanks

Installation Notes and Tips

When installing the Spectra LO42 fuel tank lock ring, ensure the fuel tank and pump assembly surfaces are clean and free of debris. Proper alignment is critical to achieve a secure seal and prevent leaks. Use appropriate tools to tighten the lock ring evenly without over-torquing, which could damage the component or fuel tank. Refer to the Ford Thunderbird service manual for specific torque specifications and installation procedures.

Quality Assurance and Warranty Information

Spectra manufactures the LO42 fuel tank lock ring to meet or exceed OEM standards for fit and function. While specific warranty details are not provided, Spectra products are generally backed by quality control processes to ensure reliability and durability in automotive applications.

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.