This premium water temperature sensor carries OEM number 811001744, and fits the SH200A3 excavator flawlessly. It tracks engine coolant temperature with great accuracy, then transmits real-time data to the control unit to prevent engine overheating. It is assembled with fine sensitive elements and a tough outer shell, so it can endure extreme heat, mechanical vibration and tough job-site surroundings. The item is produced to meet formal OEM requirements. It offers precise installation match and steady operation, ideal for regular excavator upkeep and aftermarket part swapping.