Keep your fuel gauge reading the tank level with the Agility Auto Parts fuel tank sending unit, part number 4017181, which senses the fuel level in the tank and sends that signal to the dash gauge. It fits many vehicles, among them the 1973-1977 Chevrolet C10 Suburban 4.1L / 4.8L / 5.0L / 5.7L / 7.4L, 1973-1977 Chevrolet C20 Suburban 4.1L / 4.8L / 5.0L / 5.7L / 6.6L / 7.4L and 1973-1977 Chevrolet K10 Suburban 4.1L / 5.0L / 5.7L / 6.6L. Listed applications include L6-4.1L, L6-4.8L, V8-5.0L, V8-5.7L, V8-6.6L and V8-7.4L engines, depending on model and year. See the "Vehicles it fits" section for the full list.
- Built to OEM specifications: Agility engineers its sending units to match or surpass every OEM specification.
- Corrosion and leak resistant: Made of durable materials intended for long use.
- Drop-in replacement: Ready to install right out of the box. The fuel pump is not included.
- Line connections: 0.250 in inlet and 0.375 in outlet, both with butt flare attachments.
The listed applications use one sending unit. Signs a sending unit may need replacing include a fuel gauge that reads erratically, sticks at full or empty, or no longer matches the actual fuel level. The gauge, wiring or ground can cause the same symptoms, so diagnose the cause before replacing. If a failed sending unit is the cause, this unit replaces it. Country of origin: Taiwan.
Interchange: 6429390 · FG12D
Frequently Asked Questions
Does this sending unit fit the 1973-1977 Chevrolet C10 Suburban 4.1L / 4.8L / 5.0L / 5.7L / 7.4L?
Yes. It is listed for the 1973-1977 Chevrolet C10 Suburban 4.1L / 4.8L / 5.0L / 5.7L / 7.4L. Check the "Vehicles it fits" section to confirm your engine and see the other listed vehicles.
What does a fuel tank sending unit do?
It senses the fuel level inside the tank and sends that signal to the fuel gauge on the dash.
Is a fuel pump included with part 4017181?
No. The fuel pump is not included with this sending unit.
What are the fuel line connection sizes?
The inlet is 0.250 in and the outlet is 0.375 in. Both use butt flare attachments.
What are signs the sending unit may need replacing?
An erratic fuel gauge, or one that sticks at full or empty. The gauge or wiring can cause the same symptoms, so diagnose the cause before you replace the unit.
