This TOPRAN coolant level sensor, part number 305 855, is designed to provide reliable monitoring of the coolant reservoir. Proper coolant level is crucial for efficient engine operation and preventing costly damage caused by overheating. Installed in the washer fluid reservoir, this sensor detects when the fluid level drops below a safe threshold. It then sends a signal to your vehicle's dashboard, alerting you to refill the reservoir. This proactive warning system helps you avoid issues related to insufficient washer fluid, such as reduced visibility during adverse weather conditions. Crafted with quality materials, the 305 855 sensor offers durability and consistent performance. It is a direct fit for compatible vehicle models, ensuring a straightforward installation process. Trust TOPRAN for essential components that keep your vehicle running smoothly and safely.