Mercury 92-877770K1 Extended Life Coolant / Anti-Freeze - 1 Gallon SCMECH3 What’s under the water looks

What’s under the water looks even better with high-contrast vivid color palettes

Designed with a solid cast brass body and spout

105 C dry and 75 C wet

Constructed of corrosion resistant investment cast 316 stainless steel

R/MR/Alpha ONe - 1983 to 1990

Mercury 92-877770K1 Extended Life Coolant / Anti-Freeze - 1 Gallon SCMECH3 What’s under the water looksMercury Extended Life Coolant Anti Freeze 877770K1 is for use in all MerCruiser closed cooling systems in sterndrive and inboard gasoline engine applications. The extended life formula provides 5 year 1,000 hour protection, including freeze protection down to 34 degrees Fahrenheit ( 36 C) and boiling protection up to 265 degrees Fahrenheit (129 C). Coolant comes pre diluted at a 50 50 ratio with de ionized water. Will not cause gelling. Meets ASTM D