This new water temperature sensor with part numbers 385720500, 2848A121 and 10000-53879 perfectly fits 403C-15 and 404C-22 diesel engines. It precisely detects real-time coolant temperature and transmits stable signals to prevent engine overheating damage. Adopting premium sensing elements and fully sealed rugged housing, it performs steadily under severe working conditions. Manufactured to official OEM standards, it delivers perfect fitment and long service life for daily engine maintenance and aftermarket replacement.