A-Premium Fuel Tank Sending Unit for Chevrolet & GMC C/K Trucks 1973–1979 — Direct Replacement, Pre-Assembled

A-Premium Fuel Tank Sending Unit replaces the original sender for select Chevrolet and GMC C/K pickups from the 1970s to restore accurate fuel-level readings.

This replacement fuel tank sending unit is engineered to match the fit and electrical function of the factory part on many Chevrolet and GMC C10, C20, C30, K10, K20 and related models built between 1973 and 1979. It arrives boxed with the sender pre-assembled, ready to swap into the tank, and carries A-Premium's one-year unlimited-mileage guarantee. The unit is supplied with reference numbers FG05C, 692-078, 692078, and 25000611 for cross-reference convenience.

How do I know this sending unit fits my truck?

Compatibility is determined by year and model. This sender is intended for specified Chevrolet and GMC C/K series trucks listed below; verify your vehicle’s year and model before ordering to ensure correct fitment.

• Chevrolet: C10 (1975–1979), C10 Pickup (1973–1974), C20/C30 and corresponding pickups (1973–1979), K10/K20/K30 variants as shown.
• GMC: C15/C1500, C25/C2500, C35/C3500 and K15/K1500/K25/K2500/K35/K3500 in the years listed.
• Cross-reference part numbers: FG05C, 692-078, 692078, 25000611.

What does “direct replacement” mean for this fuel sender?

Direct replacement means the sender is made to match the original unit’s mounting pattern, float arm length and electrical connections so you can reinstall without modifying the tank or wiring. It aims to restore fuel-level accuracy using factory-style fit and operation.

• Factory-style mounting and electrical terminal layout for straightforward swap-in.
• Float arm and resistor pathway designed to replicate original fuel-level signal.
• Packaged in a box with one unit per package for simple installation preparation.

What should I expect during installation and use?

Installation typically requires draining or lowering the fuel level, removing the tank access plate or tank, disconnecting the electrical connector and replacing the sender. After installation, test gauge response at key float positions and check for secure sealing to avoid leaks.

• Basic hand tools and safety precautions (fuel handling, ventilation) recommended.
• Check tank sealing surface and replace any gaskets or O-rings if needed.
• Verify wiring continuity and gauge operation before final reassembly.

What warranty or support does A-Premium provide?

A-Premium backs this sending unit with a one-year unlimited-mileage guarantee to protect against manufacturing defects. Contact A-Premium support for warranty claims or questions about fitment and installation guidance.

• One-year unlimited-mileage guarantee from the manufacturer.
• Manufacturer support for part cross-references and fitment questions.
• Sold as a single boxed unit; keep packaging and proof of purchase for warranty service.

Who is this for: This A-Premium Fuel Tank Sending Unit is aimed at classic truck owners, restorers and mechanics working on Chevrolet and GMC C/K series pickup trucks from the mid-1970s to 1979 who need a factory-fit replacement sender. Choose this part if you want a direct-fit component with clear cross-reference numbers and a one-year guarantee to help restore reliable fuel-level readings during restoration or daily use.