Part Name: Water Temperature Sensor Part Number(s): 129A00-12721 Application/ Compatibility: Compatible with Yanmar diesel engines including 4TNV88, 3TNV88, and similar models used in compact excavators, skid steers, tractors, and industrial equipment — confirm with engine model or serial Function: Measures coolant temperature and sends data to the engine control module or dashboard gauge to maintain optimal engine operating conditions and prevent overheating Condition: Brand New / OEM Standard Replacement Machine Type: Compact Excavator / Tractor / Skid Steer (Yanmar) Technical Specifications: Type: Threaded coolant temperature sensor Material: Brass sensor body with heat-resistant plastic connector Thread Size: M14 x 1.5 Temperature Range: -40°C to 120°C Voltage: 12V system compatible Connector Type: 2-pin sealed terminal Weight: Approx. 0.08–0.1 kg Category: Cooling System Components Shipping: Global Shipping Available | Delivery in 3–5 Days