Spectra FG86D Fuel Tank Sending Unit

Brand Spectra FG86D
Fits Ford · 19 vehicles

OE-level replacement. Engineered to meet or exceed original equipment performance standards.

Application-specific design. Built for 5/16 in. fuel line setups without a low fuel light.

Cross-references 692229, C5ZZ9275A and TNKFG86D for the same application. See all 3.

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Fuel Tank Sending Unit Overview

The Spectra FG86D fuel tank sending unit is built for direct replacement service on classic Ford fuel system applications. It is engineered to match original equipment performance standards and restore accurate fuel level reporting.

Key Features

  • Direct replacement fuel tank sending unit for compatible Ford applications
  • Engineered to meet or exceed original equipment performance
  • Designed for 5/16 in. fuel line applications
  • Application-specific design for vehicles without a low fuel light
  • Part number FG86D for easy identification and ordering

Detailed Description

FG86D is a Spectra fuel tank sending unit for 1964-1968 Ford Mustang applications. It is intended for vehicles with a 5/16 in. line and without a low fuel light, making it a focused replacement for the original fuel level sending function. This part cross-references Monroe Shocks & Struts (e.g., 692229, C5ZZ9275A) for the same application. The FG86D is a practical choice when the original sender is no longer reading correctly or the fuel gauge is not responding as expected.

What It Is Used For

  • Restoring fuel gauge operation when the sender signal is inaccurate
  • Replacing a worn or failed fuel tank sending unit
  • Addressing erratic or empty fuel level readings
  • Supporting proper fuel level monitoring in classic Mustang fuel systems

Installation Notes and Tips

Fits 1964-1968 Ford Mustang, N/A. The fuel tank must be inspected and cleaned before installation. Replace the fuel tank lock ring and seal during service, or the warranty will be void. Verify the 5/16 in. line requirement and confirm the vehicle does not use a low fuel light before installation.

Quality Assurance

Spectra Premium fuel tank sending units are manufactured with engineering, production, and quality control processes intended to meet or exceed original equipment performance standards. Part number FG86D is built for application-specific replacement use.

This part fits 19 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1968FordMustang7.0LV85/16 in. Line; w/o Low Fuel Light; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1968FordMustang6.4LV85/16 in. Line; w/o Low Fuel Light; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1968FordMustang5.0LV85/16 in. Line; w/o Low Fuel Light; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1968FordMustang4.7LV85/16 in. Line; w/o Low Fuel Light; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1968FordMustang3.3LL65/16 in. Line; w/o Low Fuel Light; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1967FordMustang7.0LV85/16 in. Line; w/o Low Fuel Light; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1967FordMustang6.4LV85/16 in. Line; w/o Low Fuel Light; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1967FordMustang4.7LV85/16 in. Line; w/o Low Fuel Light; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1967FordMustang3.3LL65/16 in. Line; w/o Low Fuel Light; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1966FordMustang4.7LV85/16 in. Line; w/o Low Fuel Light; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1966FordMustang3.3LL65/16 in. Line; w/o Low Fuel Light; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1965FordMustang4.7LV85/16 in. Line; w/o Low Fuel Light; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1965FordMustang4.3LV85/16 in. Line; w/o Low Fuel Light; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1965FordMustang3.3LL65/16 in. Line; w/o Low Fuel Light; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1965FordMustang2.8LL65/16 in. Line; w/o Low Fuel Light; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1964FordMustang4.7LV85/16 in. Line; w/o Low Fuel Light; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1964FordMustang4.3LV85/16 in. Line; w/o Low Fuel Light; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1964FordMustang3.3LL65/16 in. Line; w/o Low Fuel Light; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1964FordMustang2.8LL65/16 in. Line; w/o Low Fuel Light; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
692229C5ZZ9275ATNKFG86D