Ensure optimal engine performance with the genuine Wartsila 009470946 Thermostatic Valve Power Element. This original replacement part is a crucial component for the engine’s cooling system, designed to precisely regulate temperature by controlling the flow within thermostatic mixing valves. The high-quality orange wax element expands and contracts with temperature changes, providing reliable and accurate operation. Specifically engineered for compatibility with Wartsila engines, this 21mm power element guarantees a perfect fit and maintains the operational integrity and efficiency of your machinery.