Used in-tank, fuel sending unit without the low fuel option. Tested and cleaned units for all 1971 Mercury Cougar XR7 with 22 gallon fuel tanks. This is an original 1971 fuel sending unit that has a return fuel line, and with 3 prongs (2 electrical and 1 alignment prong). Ford casting number D1WF-9275-B, master parts catalog number D1WY-9275-B. This unit comes with a new 3/8 inch filter, brass float, and sending unit gasket.
*Note - Not compatible with Mercury Cougar Standard models without low fuel warning light.
**Low fuel warning portion will not be working on these used units, the Thermisters all failed years ago.