GLM Thermostat Assembly. This thermostat is designed for 143 operation. For use with Johnson/Evinrude equipment. Features of GLM 13170 Thermostat Assembly Thermostat: 143 Built from quality parts/materials For use with Johnson/Evinrude 3-Cyl. (1986-1991)V4 Loopcharged & V8 Refer to manufacturer recommendations for proper fit/installation information Package Contents: GLM 13170 Thermostat Assembly GLM 13170: Thermostat Assembly