After years of use, your fuel sending unit can wear out or stop working. When that happens, it can cause significant issues for the fuel gauge. Ensure that you always know how much fuel you actually have by replacing your worn out original sending unit with this quality reproduction. Designed to exact factory specifications, each fuel sending unit will replace the original in every detail. Each unit comes complete with fuel sender, seal, premium-grade filter and brass float. For use with 5/16" outlet. Dodge Applications 1970-1974 Dodge Challenger Plymouth Applications 1970-1974 Plymouth Barracuda 1970-1974 Plymouth Cuda Item will need to be shipped directly from the manufacturer, so please allow an extra 2 to 3 days handling. If there are any availability issues, you will be notified immediately.