Part Name: Water Temperature Sensor Part Number(s): 487-5859 4875859 Application/ Compatibility: Caterpillar (CAT) excavators and other compatible CAT equipment powered by C-series diesel engines (e.g., C4.4, C6.6) Function: Accurately monitors engine coolant temperature and transmits data to the ECU to maintain efficient engine operation and prevent overheating Condition: Brand New / OEM Standard Replacement Machine Type: Excavator / Loader / Heavy Equipment Technical Specifications: Type: Electrical coolant temperature sensor Material: Brass housing with sealed high-temperature connector Temperature Range: Calibrated to Caterpillar OEM temperature thresholds Connector Type: OEM blade-style terminal with locking tab Mounting: Threaded body for secure coolant system installation Weight: Approx. 0.25–0.3 kg Category: Engine Cooling System Components Shipping: Global Shipping Available | Delivery in 3–5 Days