Thermostat (143 Degrees) 833072004

For the best performance, efficiency and reliability, keep your engine running at its optimal temperature with a new Quicksilver 833072004 Thermostat for Mercury 1.5L 3-cylinder 75-115hp Pro XS outboards. - Fits Mercury 1.5L 3-cylinder 75hp (serial number 0T980000-2B112577), 80hp (1B586067-2B111840), 90hp (0T801000-1B974258), 115hp (0T801000-2B018763), 125hp (1B736885-2B112787) and 115hp Pro XS (1B751825-2B123429) outboards - Provides proper engine cooling temperature to help assure peak performance and efficiency - Helps regulate the temperature of your engine to prevent damage that can occur from overheating - Thermostat opens at 143 degrees F - Thermostat only