HomeAir and Fuel Delivery > Fuel Pumps and Related ComponentsSpectra FG89B Fuel Tank Sending Unit
Part #: FG89B

Spectra FG89B Fuel Tank Sending Unit

⚙️ 43 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and Pontiac, Bel Air, Biscayne, Impala, and Grand Prix
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Overview of Spectra FG89B Fuel Tank Sending Unit

The Spectra FG89B fuel tank sending unit is designed for precise fuel level measurement in select Chevrolet and Pontiac vehicles. This component ensures accurate fuel gauge readings for models such as the Chevrolet Bel Air, Impala, and the Pontiac Grand Prix.

  • Compatible with Chevrolet Bel Air, Impala, and Pontiac Grand Prix
  • Direct replacement fuel tank sending unit for reliable fuel level monitoring
  • Manufactured by Spectra for consistent quality and fitment
  • Part number FG89B for easy identification and ordering

Detailed Product Description

The Spectra FG89B fuel tank sending unit is engineered to provide accurate fuel level data to the vehicle’s dashboard gauge. This unit is specifically compatible with Chevrolet Bel Air, Chevrolet Impala, and Pontiac Grand Prix models, ensuring proper fit and function. The sending unit replaces the original equipment part and maintains the integrity of the fuel system by delivering consistent and reliable readings. Using the correct part number FG89B guarantees compatibility and helps avoid installation issues.

Common Applications and Problem Resolution

  • Resolves inaccurate or fluctuating fuel gauge readings
  • Replaces faulty or damaged fuel tank sending units
  • Addresses fuel gauge failure or erratic behavior in Chevrolet Bel Air, Impala, and Pontiac Grand Prix
  • Prevents fuel level miscommunication that can lead to running out of fuel unexpectedly

Installation Notes and Tips

  • Ensure vehicle compatibility by confirming make and model before installation
  • Disconnect the battery prior to removal to avoid electrical hazards
  • Handle the sending unit carefully to prevent damage to the float arm or electrical connections
  • Verify proper sealing to prevent fuel leaks after installation

Quality Assurance and Warranty

Manufactured by Spectra, the FG89B fuel tank sending unit meets industry standards for durability and performance. While specific warranty details may vary, Spectra products typically include coverage against manufacturing defects. Using the correct part number FG89B ensures you receive a component designed to meet the original equipment specifications for Chevrolet Bel Air, Impala, and Pontiac Grand Prix vehicles.

This part fits 43 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
1964ChevroletBel AirSedan6.7LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1964ChevroletBel AirSedan5.3LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1964ChevroletBel AirSedan4.6LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1964ChevroletBel AirSedan3.8LL6N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1964ChevroletImpalaSedan6.7LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1964ChevroletImpala6.7LV8N/A3/8 in. Outlet; w/ Fuel Return; Cover Body Type: Coupe; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1964ChevroletImpala5.4LV8N/A3/8 in. Outlet; w/ Fuel Return; Cover Body Type: Coupe; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1964ChevroletImpalaSedan5.3LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1964ChevroletImpalaSedan4.6LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1964ChevroletImpala4.6LV8N/A3/8 in. Outlet; w/ Fuel Return; Cover Body Type: Coupe; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1964ChevroletImpalaSedan3.8LL6N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1964ChevroletImpala3.8LL6N/A3/8 in. Outlet; w/ Fuel Return; Cover Body Type: Coupe; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1964PontiacGrand Prix6.9LV8N/A3/8 in. Outlet; w/ Fuel Return; Cover Body Type: Sedan; Coupe; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1964PontiacGrand Prix6.4LV8N/A3/8 in. Outlet; w/ Fuel Return; Cover Body Type: Sedan; Coupe; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1963ChevroletBel AirSedan7.0LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1963ChevroletBel AirSedan6.7LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1963ChevroletBel AirSedan5.3LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1963ChevroletBel AirSedan4.6LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1963ChevroletBel AirSedan3.8LL6N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1963ChevroletImpalaSedan7.0LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1963ChevroletImpalaSedan6.7LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1963ChevroletImpalaSedan5.3LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1963ChevroletImpalaSedan4.6LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1963ChevroletImpalaSedan3.8LL6N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1963PontiacGrand Prix6.9LV8N/A3/8 in. Outlet; w/ Fuel Return; Cover Body Type: Sedan; Coupe; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1963PontiacGrand Prix6.4LV8N/A3/8 in. Outlet; w/ Fuel Return; Cover Body Type: Sedan; Coupe; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1962ChevroletBel AirSedan6.7LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1962ChevroletBel AirSedan5.3LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1962ChevroletBel AirSedan4.6LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1962ChevroletBel AirSedan3.8LL6N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1962ChevroletImpalaSedan6.7LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1962ChevroletImpalaSedan5.3LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1962ChevroletImpalaSedan4.6LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1962ChevroletImpalaSedan3.8LL6N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1962PontiacGrand Prix6.4LV8N/A3/8 in. Outlet; w/ Fuel Return; Cover Body Type: Sedan; Coupe; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1961ChevroletBel AirSedan6.7LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1961ChevroletBel AirSedan5.7LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1961ChevroletBel AirSedan4.6LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1961ChevroletBel AirSedan3.8LL6N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1961ChevroletImpalaSedan6.7LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1961ChevroletImpalaSedan5.7LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1961ChevroletImpalaSedan4.6LV8N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.
1961ChevroletImpalaSedan3.8LL6N/A3/8 in. Outlet; w/ Fuel Return; Failure to replace fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and cleaned before installation.

* 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:

6428057692236TNKFG89B

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