Brass Inverted Thermostat for 1976-2006/2010 Mercury Mariner 2-cyl, 7.5-40 HP, 3-cyl, 70-90 HP, 4-cyl, 100-115 HP V6 and 135-300 HP outboards. Replaces - 75692, F660468, 66850, 75692, 75692B, 62981 and 18-3553 Aftermarket Mercury Mariner 75692 Brass...