The KNIPEX HZ4802-1 Commercial Vehicle Vacuum Radiator Filler is designed for efficient coolant filling in heavy-duty vehicles. This tool utilizes a vacuum system to eliminate air pockets, ensuring optimal coolant flow and preventing overheating. Constructed from robust materials, it withstands high pressure and temperature, making it suitable for various commercial applications. The filler is compatible with most radiator systems, featuring easy-to-use connections for quick setup. Ideal for automotive technicians, this tool enhances maintenance efficiency and prolongs vehicle lifespan.