Garmin GFS 10 Fuel-Flow Sensor -
Provides fuel flow and fuel level measurement data to your Garmin GMI 10 instrument display. The GFS 10 helps optimize performance while taking the worry out of fuel management. Works with most gasoline-powered inboard, I/O and outboard engines. Compatible with all 400, 500, 4000, 5000, 6000 and 7000 displays.