Description:Cat® Fuel Sender Assembly work with Cat indicators to give an audible or visual warning signal for a cat system. Output signal is variable resistance, based on a float moving in a column with the fuel level. A pull up circuit is typically used, and helps diagnose problems with wires and sensors. A stainless steel tube assembly is used for vibration stability and corrosion resistance. Inlet and return tubes integrated with ring mount.Application:Cat® Fuel Sender Assembly is used on Water, coolant, or fuel/oil tanks. Cat senders are application specific sensors. Consult your owner’s manual or contact your local Cat Dealer for more information.