Thermostat Replace for Mercury 4 Str 9.9 10 15 20 HP Outboard Motors 8M0139434
OEM Part Number: 8M0139434. We're pleasure to help you. Part: Thermostat. 1 X Thermostat 125℉. 15 HP EFI 2 Cylinder 0R833820 THRU 1R162636，Sea Pro 0R833820 & Up. 10 HP EFI 0R833820 & Up.