Ensure optimal performance and precise monitoring of your marine or industrial engine with the genuine YANMAR EY-22 Digital Thermometer. Specifically engineered as a cylinder exhaust gas temperature sensor, this high-quality diagnostic instrument features a clear digital LCD display housed in a durable rectangular casing. It is equipped with an integrated, heavy-duty stainless steel probe-type sensor designed to withstand the extreme conditions of exhaust gas measurement. Installation is straightforward and secure, utilizing a hexagon mounting nut and a threaded process connection. As an authentic Yanmar OEM part (Part Number 150633-91338), it guarantees exact fitment, precise readings, and the rugged reliability required for professional engine maintenance.