Spectra FG103B Fuel Tank Sending Unit

The Spectra FG103B fuel tank sending unit is a direct-fit replacement for select GM vehicles that use a dual-line fuel tank setup. It is built to match original equipment performance standards for fuel level sensing and fuel delivery interface.

Compatible with 1975-1979 Buick Skylark, 1976-1981 Chevrolet Camaro, 1976-1979 Chevrolet Nova, 1977-1979 Oldsmobile Omega, and 1977-1979 Pontiac Phoenix.

Key Features

• Fuel tank sending unit for air and fuel delivery service
• Dual line design with 3/8 in. outlet and 1/4 in. inlet
• OE-style replacement for select Buick, Chevrolet, Oldsmobile, and Pontiac applications
• Built with engineering and manufacturing controls aimed at OE-level performance
• Part number FG103B for catalog and interchange lookup

Detailed Description

Spectra FG103B is a fuel tank sending unit for classic GM platforms that require a dual-line configuration. It serves as the interface between the fuel tank and the fuel system while also providing fuel level sending function. This part is commonly searched as a fuel tank sending unit for 1976-1981 Chevrolet Camaro, 1976-1979 Chevrolet Nova, and related Buick Skylark, Oldsmobile Omega, and Pontiac Phoenix applications. This part cross-references TNKFG103B for the same application.

What It Helps Address

• Inaccurate fuel level readings from a worn sender
• Fuel delivery issues related to a damaged tank sending unit
• Hard-to-diagnose drivability problems tied to tank pickup function
• Service needs on original dual-line fuel tank systems

Installation Notes

• Fuel tank must be inspected and cleaned before installation.
• Replace the fuel tank lock ring and seal; failure to do so voids the warranty.
• Verify the 3/8 in. outlet and 1/4 in. inlet configuration before installation.
• Confirm vehicle fitment by year, make, and model before ordering.

Quality Assurance

Spectra Premium states that its fuel tank sending units are engineered, manufactured, and quality-controlled to meet or exceed the performance of the original equipment they replace. Warranty coverage is contingent on replacing the fuel tank lock ring and seal and on installing the unit in a clean, inspected fuel tank.