Mercury - Fuel Level Gauge E-F Fuel Monitoring White Face Brushed Bezel 79-8M6020065. OverviewThis E-F fuel gauge gives you a steady, honest look at how much fuel you've really got on board. The needle settles smoothly instead of bouncing around when the boat moves, so a quick glance is usually all you need. Out on the water, it feels natural-check the gauge, get your answer, and get back to the run. It's a simple piece of gear that takes some of the guesswork out of the day.. Key Features • E-F