Description

Sierra’s 18-3640 Thermostat is designed for use with Mercury/Mariner 40 HP to 60 HP (s/n 1C050252 & Up) outboard engines. Includes one thermostat per package. It is interchangeable with Mercury Marine 8M0117413. Each Sierra product meets or exceeds the original equipment part it replaces. Fit specific, check part numbers to ensure proper fit.
Designed for use with Mercury/Mariner 40 HP to 60 HP (s/n 1C050252 & Up) outboard engines
Includes one thermostat per package
Interchangeable with Mercury Marine 8M0117413
Each Sierra product meets or exceeds the original equipment part it replaces
Fit specific, check part numbers to ensure proper fit