Mercury 92-877770K1 Extended Life Coolant / Anti-Freeze - 1 Gallon SCMECH3 R/MR/Alpha ONe - 1983 to

R/MR/Alpha ONe - 1983 to 1990

Designed with a solid cast brass body and spout

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

Basic model

Constructed of corrosion resistant investment cast 316 stainless steel

Mercury 92-877770K1 Extended Life Coolant / Anti-Freeze - 1 Gallon SCMECH3 R/MR/Alpha ONe - 1983 toMercury 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