Mercury Marine - Sensor Dual Port Temperature - 8M0122888Keeping a close eye on engine temperature is second nature for anyone who spends serious time on the water and thats where the Mercury Marine Sensor Dual Port Temperature 8M0122888 steps in. This sensor doesnt just give you a single snapshot; it tracks temperature readings from two ports at once, giving you a much clearer picture of how your engines running under load. Whether youre cruising at speed or idling near the dock, knowing both sides of the