Maintain optimal engine performance with the Genuine Yanmar 146673-48232 Thermostat. This original equipment manufacturer (OEM) part is engineered to precisely regulate your engine’s operating temperature by controlling coolant flow. It features a reliable copper wax element that expands to open a spring-loaded valve at a specified 76.5°C, preventing overheating and ensuring peak efficiency. Choosing a genuine Yanmar thermostat guarantees perfect fitment, superior quality, and the longevity your engine deserves. Ideal for marine and industrial applications, this part is critical for engine health and reliability.