The Excavator Water Tank Coolant Reservoir 17214676 for EC210B is a crucial component in the excavator's cooling system. Its primary function is to store and supply coolant to the engine, ensuring efficient heat dissipation and preventing overheating. Here's a brief introduction to the product: Product Name: Excavator Water Tank Coolant Reservoir 17214676 for EC210B Application: This coolant reservoir is specifically designed for the EC210B excavator. It's a direct replacement part that seamlessly integrates into the existing cooling system. Function: Storage: The reservoir has a sufficient capacity to store coolant, ensuring a continuous supply to the engine. Regulation: It helps regulate the coolant level, preventing both overflow and low-level situations that can lead to engine damage. Heat Dissipation: By maintaining an adequate coolant supply, the reservoir contributes to efficient heat dissipation, keeping the engine running at optimal temperatures.