Spectra FG118A Fuel Tank Sending Unit

The Spectra FG118A fuel tank sending unit is a direct-fit replacement for select Chevrolet Blazer and GMC Jimmy applications. It is built to match or exceed original equipment performance for accurate fuel level reporting and dependable fuel system operation.

Key Features

• Fuel tank sending unit for air and fuel delivery service
• OE-style replacement for select 1969-1972 Chevrolet Blazer and 1970-1972 GMC Jimmy models
• Engineered with manufacturing controls to support consistent performance
• Cross-references Spectra Premium FG118A and 6428271 for the same application
• Part number FG118A for catalog and fitment lookup

Product Details

Use the Spectra FG118A when replacing a worn or inaccurate fuel level sender in a classic Chevrolet Blazer or GMC Jimmy. This unit is built for the fuel tank application used on 1969-1972 Chevrolet Blazer and 1970-1972 GMC Jimmy models, helping restore proper gauge response and fuel level signal output. The FG118A is a practical choice for owners servicing vintage truck-based SUVs that need a replacement fuel tank sending unit with OE-level fitment.

Common Issues It Can Help Solve

• Fuel gauge reads empty, full, or fluctuates incorrectly
• Intermittent or inaccurate fuel level signal from the tank
• Sender wear from age, corrosion, or contamination inside the tank
• Restoration needs for classic Chevrolet Blazer and GMC Jimmy fuel systems

Installation Notes and Tips

Fits 1969-1972 Chevrolet Blazer, N/A. Fits 1970-1972 GMC Jimmy, N/A. Before installation, inspect and clean the fuel tank. Replace the tank lock ring and seal during service; failure to do so voids the warranty.

Quality Assurance

Spectra Premium states that its fuel tank sending units are engineered and manufactured with quality control processes to meet or exceed the performance of the original equipment they replace. Warranty coverage applies only when the tank lock ring and seal are replaced and the tank is inspected and cleaned before installation.