Spectra FG05D Fuel Tank Sending Unit

The Spectra FG05D fuel tank sending unit is a direct-fit fuel level component for select Chevrolet and GMC trucks from 1975-1979. It is built to meet or exceed original equipment performance for accurate fuel level reporting and dependable fuel system operation.

• Fuel tank sending unit for air and fuel delivery applications
• Fits driver side mount configurations with 3 outlets
• OE-style replacement for select Chevrolet C10, C20, C30, K10, K20, and K30 models
• OE-style replacement for select GMC C1500, C2500, C3500, K1500, K2500, and K3500 models
• Part number FG05D for catalog and cross-reference lookup

Detailed Fitment and Function

Compatible with 1975-1979 Chevrolet C10, C20, C30, K10, K20, and 1977-1979 Chevrolet K30 applications, plus 1979 GMC C1500, C2500, C3500, K1500, K2500, and K3500 trucks. The FG05D is used to monitor fuel level inside the tank and send that reading to the gauge, helping restore normal fuel gauge operation on classic Chevrolet and GMC pickups. This part number FG05D is also a useful reference when matching replacement fuel tank sending units for these truck platforms.

This part cross-references 692079 and SU472 for the same application.

What It Helps Fix

• Inaccurate or erratic fuel gauge readings
• Fuel gauge that stays on empty or full
• Intermittent fuel level signal from a worn sender
• Restoration work on original fuel tank electrical components
• Replacement needs on classic Chevrolet and GMC truck fuel systems

Installation Notes

Driver side mount only. The tank must be inspected and cleaned before installation. Replace the fuel tank lock ring and seal during service; failure to do so voids the warranty. Verify the tank opening, outlet layout, and application details before installing FG05D.

Quality Assurance

Spectra Premium fuel tank sending units are engineered and manufactured with quality control processes intended to match original equipment performance for the listed Chevrolet and GMC applications.