Spectra FG91C Fuel Tank Sending Unit

Name: Spectra FG91C Fuel Tank Sending Unit
Brand: Spectra
SKU: BCNK-FG91C
Price: 57.70 USD
Availability: InStock

⚙️ 55 vehicles fit this part

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🚗Fitment: Buick, Chevrolet, GMC, Oldsmobile, and Pontiac, GS, GS 455, Skylark, Chevelle, El Camino, Monte Carlo, Sprint, Cutlass, Cutlass Supreme, F85, LeMans, 442, and GTO

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Reliable Fuel Tank Sending Unit for Classic GM Vehicles

The Spectra FG91C fuel tank sending unit is designed to provide accurate fuel level readings for select Buick, Chevrolet, Oldsmobile, and Pontiac models. This component ensures your fuel gauge reflects the correct fuel level, helping maintain optimal vehicle operation.

Compatible with Buick Cutlass and Cutlass Supreme models
Fits Chevrolet El Camino and Monte Carlo vehicles
Suitable for Oldsmobile Cutlass and LeMans
Works with Pontiac GTO and Skylark models
Direct replacement for original fuel tank sending units

Product Details and Specifications

The Spectra FG91C fuel tank sending unit is engineered to meet OEM specifications for fuel level measurement. It is constructed to provide consistent and reliable performance in fuel delivery systems. This unit is designed to fit a range of classic GM vehicles, including the Buick Cutlass Supreme and Chevrolet El Camino, ensuring compatibility and ease of installation. The part number FG91C identifies this specific sending unit within Spectra's product line, which focuses on fuel system components that maintain accurate fuel monitoring.

Common Applications and Problem Resolution

This fuel tank sending unit is used to monitor fuel levels and send accurate signals to the fuel gauge. It addresses several common issues, including:

Inaccurate or fluctuating fuel gauge readings
Fuel gauge stuck on empty or full
Intermittent fuel level display problems
Replacement of worn or damaged sending units in Buick, Chevrolet, Oldsmobile, and Pontiac models

Installation Notes and Tips

Installation of the Spectra FG91C requires access to the fuel tank sending unit location, typically inside the fuel tank. It is recommended to relieve fuel system pressure and disconnect the battery before beginning installation. Ensure all electrical connections are clean and secure to maintain accurate signal transmission. Verify fitment with your specific vehicle model and year before installation to avoid compatibility issues.

Quality Assurance and Warranty Information

Spectra manufactures the FG91C fuel tank sending unit to meet industry standards for durability and performance. While specific warranty details may vary, Spectra products generally include coverage against manufacturing defects. Refer to the product documentation or contact the manufacturer for exact warranty terms related to this fuel tank sending unit.

This part fits 55 vehicles. Search below:

Year	Make	Model	Submodel	Body Type	Liters	Cylinders	Position	Notes
1972	Buick	Skylark		Sedan	5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.)
1972	Buick	Skylark	Custom	Coupe	5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.)
1972	Buick	Skylark		Coupe	5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.)
1972	Buick	Skylark	Base	Coupe	5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.)
1972	Buick	Skylark	350		5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); Cover Body Type: Sedan; Coupe
1972	Buick	Skylark		Sedan	5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); The warranty will be void if the fuel tank lock ring and seal are not replaced; Fuel tank must be inspected and cleaned before installation.
1972	Buick	Skylark		Coupe	5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); The warranty will be void if the fuel tank lock ring and seal are not replaced; Fuel tank must be inspected and cleaned before installation.
1972	Chevrolet	El Camino			7.4L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); The warranty will be void if the fuel tank lock ring and seal are not replaced; Fuel tank must be inspected and cleaned before installation.
1972	Chevrolet	El Camino			6.6L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); The warranty will be void if the fuel tank lock ring and seal are not replaced; Fuel tank must be inspected and cleaned before installation.
1972	Chevrolet	El Camino			5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); The warranty will be void if the fuel tank lock ring and seal are not replaced; Fuel tank must be inspected and cleaned before installation.
1972	Chevrolet	El Camino			5.0L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); The warranty will be void if the fuel tank lock ring and seal are not replaced; Fuel tank must be inspected and cleaned before installation.
1972	Chevrolet	El Camino			4.1L	L6	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); The warranty will be void if the fuel tank lock ring and seal are not replaced; Fuel tank must be inspected and cleaned before installation.
1972	Chevrolet	Monte Carlo			7.4L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); Sedan; Coupe; Fuel Tank Lock Ring and Seal must be replaced to maintain warranty; Tank inspection and cleaning required before installation.
1972	Chevrolet	Monte Carlo			6.6L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); Sedan; Coupe; Fuel Tank Lock Ring and Seal must be replaced to maintain warranty; Tank inspection and cleaning required before installation.
1972	Chevrolet	Monte Carlo			5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); Sedan; Coupe; Fuel Tank Lock Ring and Seal must be replaced to maintain warranty; Tank inspection and cleaning required before installation.
1972	Oldsmobile	Cutlass			7.5L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); Sedan; Coupe; Fuel Tank Lock Ring and Seal must be replaced to maintain warranty; Tank inspection and cleaning required before installation.
1972	Oldsmobile	Cutlass			5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); The warranty will be void if the fuel tank lock ring and seal are not replaced; Fuel tank must be inspected and cleaned before installation.
1972	Oldsmobile	Cutlass			5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); Sedan; Coupe; Fuel Tank Lock Ring and Seal must be replaced to maintain warranty; Tank inspection and cleaning required before installation.
1972	Oldsmobile	Cutlass Supreme			7.5L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); Sedan; Coupe; Fuel Tank Lock Ring and Seal must be replaced to maintain warranty; Tank inspection and cleaning required before installation.
1972	Oldsmobile	Cutlass Supreme			5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); Sedan; Coupe; Fuel Tank Lock Ring and Seal must be replaced to maintain warranty; Tank inspection and cleaning required before installation.
1972	Pontiac	LeMans			7.5L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); Sedan; Coupe; Fuel Tank Lock Ring and Seal must be replaced to maintain warranty; Tank inspection and cleaning required before installation.
1972	Pontiac	LeMans			6.6L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); Sedan; Coupe; Fuel Tank Lock Ring and Seal must be replaced to maintain warranty; Tank inspection and cleaning required before installation.
1972	Pontiac	LeMans			5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); Sedan; Coupe; Fuel Tank Lock Ring and Seal must be replaced to maintain warranty; Tank inspection and cleaning required before installation.
1972	Pontiac	LeMans			4.1L	L6	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); Sedan; Coupe; Fuel Tank Lock Ring and Seal must be replaced to maintain warranty; Tank inspection and cleaning required before installation.
1971	Buick	Skylark			7.5L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.)
1971	Buick	Skylark		Sedan	5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.)
1971	Buick	Skylark	Custom	Sedan	5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.)
1971	Buick	Skylark	Custom	Coupe	5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.)
1971	Buick	Skylark		Coupe	5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.)
1971	Buick	Skylark	Base	Sedan	5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.)
1971	Buick	Skylark	Base	Coupe	5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.)
1971	Buick	Skylark		Sedan	4.1L	L6	N/A	w/o Fuel Return; 1 Outlet (3/8 in.)
1971	Buick	Skylark		Coupe	4.1L	L6	N/A	w/o Fuel Return; 1 Outlet (3/8 in.)
1971	Buick	Skylark		Sedan	5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); The warranty will be void if the fuel tank lock ring and seal are not replaced; Fuel tank must be inspected and cleaned before installation.
1971	Buick	Skylark		Coupe	5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); The warranty will be void if the fuel tank lock ring and seal are not replaced; Fuel tank must be inspected and cleaned before installation.
1971	Buick	Skylark		Sedan	4.1L	L6	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); The warranty will be void if the fuel tank lock ring and seal are not replaced; Fuel tank must be inspected and cleaned before installation.
1971	Buick	Skylark		Coupe	4.1L	L6	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); The warranty will be void if the fuel tank lock ring and seal are not replaced; Fuel tank must be inspected and cleaned before installation.
1971	Chevrolet	El Camino			7.4L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); The warranty will be void if the fuel tank lock ring and seal are not replaced; Fuel tank must be inspected and cleaned before installation.
1971	Chevrolet	El Camino			6.6L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); The warranty will be void if the fuel tank lock ring and seal are not replaced; Fuel tank must be inspected and cleaned before installation.
1971	Chevrolet	El Camino			5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); The warranty will be void if the fuel tank lock ring and seal are not replaced; Fuel tank must be inspected and cleaned before installation.
1971	Chevrolet	El Camino			5.0L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); The warranty will be void if the fuel tank lock ring and seal are not replaced; Fuel tank must be inspected and cleaned before installation.
1971	Chevrolet	El Camino			4.1L	L6	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); The warranty will be void if the fuel tank lock ring and seal are not replaced; Fuel tank must be inspected and cleaned before installation.
1971	Chevrolet	Monte Carlo			7.4L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); Sedan; Coupe; Fuel Tank Lock Ring and Seal must be replaced to maintain warranty; Tank inspection and cleaning required before installation.
1971	Chevrolet	Monte Carlo			6.6L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); Sedan; Coupe; Fuel Tank Lock Ring and Seal must be replaced to maintain warranty; Tank inspection and cleaning required before installation.
1971	Chevrolet	Monte Carlo			5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); Sedan; Coupe; Fuel Tank Lock Ring and Seal must be replaced to maintain warranty; Tank inspection and cleaning required before installation.
1971	Oldsmobile	Cutlass			7.5L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); Sedan; Coupe; Fuel Tank Lock Ring and Seal must be replaced to maintain warranty; Tank inspection and cleaning required before installation.
1971	Oldsmobile	Cutlass			5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); The warranty will be void if the fuel tank lock ring and seal are not replaced; Fuel tank must be inspected and cleaned before installation.
1971	Oldsmobile	Cutlass			5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); Sedan; Coupe; Fuel Tank Lock Ring and Seal must be replaced to maintain warranty; Tank inspection and cleaning required before installation.
1971	Oldsmobile	Cutlass			4.1L	L6	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); Sedan; Coupe; Fuel Tank Lock Ring and Seal must be replaced to maintain warranty; Tank inspection and cleaning required before installation.
1971	Oldsmobile	Cutlass Supreme			7.5L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); Sedan; Coupe; Fuel Tank Lock Ring and Seal must be replaced to maintain warranty; Tank inspection and cleaning required before installation.
1971	Pontiac	GTO			7.5L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); The warranty will be void if the fuel tank lock ring and seal are not replaced; Fuel tank must be inspected and cleaned before installation.
1971	Pontiac	GTO			6.6L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); The warranty will be void if the fuel tank lock ring and seal are not replaced; Fuel tank must be inspected and cleaned before installation.
1971	Pontiac	LeMans			6.6L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); Sedan; Coupe; Fuel Tank Lock Ring and Seal must be replaced to maintain warranty; Tank inspection and cleaning required before installation.
1971	Pontiac	LeMans			5.7L	V8	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); Sedan; Coupe; Fuel Tank Lock Ring and Seal must be replaced to maintain warranty; Tank inspection and cleaning required before installation.
1971	Pontiac	LeMans			4.1L	L6	N/A	w/o Fuel Return; 1 Outlet (3/8 in.); Sedan; Coupe; Fuel Tank Lock Ring and Seal must be replaced to maintain warranty; Tank inspection and cleaning required 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:

6428838692243E2624ATNKFG91C

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