Spectra FG12Q Fuel Tank Sending Unit

The Spectra FG12Q fuel tank sending unit is a direct-fit replacement for select Chevrolet and GMC trucks and SUVs from 1973-1977. It is built to meet or exceed original equipment performance for accurate fuel level reporting in the tank.

• OE-style fuel tank sending unit for select Chevrolet and GMC applications
• Fits 25-gallon tanks without fuel return
• 3-outlet configuration
• Direct replacement for common fuel level sender service needs
• Cross-references Spectra Premium FG12Q for the same application

Fitment Details

• Fits 1973-1977 Chevrolet C10 Suburban, N/A 25 gallons tank; w/o fuel return; 3 outlets; failure to replace the fuel tank lock ring and seal will void warranty; fuel tank must be inspected and clean prior to installation.
• Fits 1973-1977 Chevrolet C20 Suburban, N/A 25 gallons tank; w/o fuel return; 3 outlets; failure to replace the fuel tank lock ring and seal will void warranty; fuel tank must be inspected and clean prior to installation.
• Fits 1973-1977 Chevrolet K10 Suburban, N/A 25 gallons tank; w/o fuel return; 3 outlets; failure to replace the fuel tank lock ring and seal will void warranty; fuel tank must be inspected and clean prior to installation.
• Fits 1973-1977 Chevrolet K20 Suburban, N/A 25 gallons tank; w/o fuel return; 3 outlets; failure to replace the fuel tank lock ring and seal will void warranty; fuel tank must be inspected and clean prior to installation.
• Fits 1975-1977 Chevrolet K5 Blazer, N/A 25 gallons tank; w/o fuel return; 3 outlets; failure to replace the fuel tank lock ring and seal will void warranty; fuel tank must be inspected and clean prior to installation.
• Fits 1973-1977 GMC Jimmy, N/A 25 gallons tank; w/o fuel return; 3 outlets; failure to replace the fuel tank lock ring and seal will void warranty; fuel tank must be inspected and clean prior to installation.
• Fits 1973-1974 Chevrolet Blazer, N/A 25 gallons tank; w/o fuel return; 3 outlets; failure to replace the fuel tank lock ring and seal will void warranty; fuel tank must be inspected and clean prior to installation.

What This Part Helps Resolve

• Inaccurate fuel gauge readings
• Intermittent or failed fuel level signal
• Sender wear from age and tank contamination
• Restoration service on classic Chevrolet C10 Suburban and GMC Jimmy fuel systems
• Replacement needs for a 25-gallon tank sender with 3 outlets

Installation Notes

Verify tank configuration before installation. This unit is specified for 25-gallon tanks without fuel return and with 3 outlets. The fuel tank must be inspected and cleaned before installation, and the fuel tank lock ring and seal must be replaced to maintain warranty coverage.

Quality Assurance

Spectra Premium fuel tank sending units are engineered and manufactured with quality control processes intended to match original equipment performance. The FG12Q is built as an OE-style replacement for select Chevrolet and GMC fuel systems.