Left. Right. A component which prevents a leak at the Fuel Level Sending Unit. Device that Seals the tank around the Fuel Pump. Device that secures the Fuel Pump in position. Dual Fuel Tanks. For Primary Pump. Fuel Pump and Sender Assembly. Fuel Pump O-Ring. Fuel Tank Sending Unit Gasket. Part cannot be reused/reinstalled. Serviced w/Electric Fuel Pump. Single Fuel Tank. AND Level Unit. and Sender Assembly. Gauge Sending Unit. Tank Sending Unit Gasket. Auxiliary. Level indicator o -. Lock nut. Included with: Auxiliary Pump, Fuel Pump, Fuel Pump Part cannot be reused/reinstalled, Fuel Pump Assembly, Fuel Pump Assembly Part cannot be reused/reinstalled, Fuel Pump assy, Level sensor.