Fuel Sending Unit | 25.5 gallon Main Tank, 3/8 Feed | 78-84 Ford Bronco SKU: 799711

Fuel Sending Unit | 25.5 Gallon Main Tank, 3/8" Supply | 78-84 Ford Bronco

Keep your fuel gauge accurate and your Bronco running right with this fuel sending unit, correct for 1978-84 Ford Bronco equipped with the 25.5-gallon main tank and a 3/8" supply line. Designed as a factory-style replacement, this sending unit mounts inside the fuel tank and provides a precise signal to the dash gauge, ensuring dependable fuel level readings.

Built from stainless steel for maximum service life, this unit resists corrosion and wear better than the original parts. It comes complete with a filter, float, gasket, and lock ring, making it a ready-to-install solution.

Pro Tip: Verify your fuel line size before ordering—a mismatched sending unit can cause installation issues or poor fuel delivery.

• Direct OE Replacement – Correct sending unit for 25.5-gallon main tank on 1978-84 Broncos with 3/8" supply line

• Restores Gauge Accuracy – Sends reliable signal to dash gauge for precise fuel level readings

• Stainless Steel Construction – Built tough for long-lasting durability and corrosion resistance

• Complete Kit – Includes filter, float, gasket, and lock ring for installation

• Factory Correct Spec – 3/8" supply line was standard on 351M and 400 (1978-79) and 351W (1980-84) applications

• Application: Mounts inside the fuel tank to measure and report fuel level

• Factory Note:

  • 1978-79 Broncos with 351M or 400 engines used the 3/8" supply from the factory.

  • 1980-84 Broncos equipped with the 351W also used the 3/8" supply.

  • Smaller engine options like the 302 in 1980-84 typically came with a 5/16" supply.

Keep your 78-84 Bronco fuel gauge reading true with our stainless fuel sending unit with a 3/8" supply feed for 25.5-gallon tank and 351W, 351M or 400 engine.

Detailed Vehicle Fitment: