.This water temperature sensor comes with part numbers SW2489U268F1 and 2489U268F1, suitable for multiple SK series excavators. It accurately detects real-time engine coolant temperature and transmits stable signals to protect the engine from overheating. Adopting high-sensitivity sensing elements and sealed rugged housing, it adapts well to harsh construction site environments. It complies with original factory standards and is a perfect aftermarket spare part for excavator repair.