Materials: The radiator coolant hoses are made of reliable, flexible, and odorless materials. They are not easily twisted or deformed, and are resistant to high temperatures, low pressure, and high pressure, allowing for long-term use. Function: They allow engine coolant to circulate between the heater cores, while simultaneously providing heat to the vehicle compartment. Regular inspection and replacement are recommended to maintain a stable condition and prevent leaks or ruptures that could compromise engine cooling. Usage: Automotive radiator hoses are easy to install and use, simple to maintain and clean. Regular maintenance keeps your engine running smoothly and efficiently. Function: Car radiator coolant hoses reduce engine warm-up time, provide stable performance, and are finely crafted, making them a reliable choice for repairing damaged car parts. Note: Before purchasing, please ensure our car radiator coolant hoses are suitable for your vehicle. If you have any questions, please contact us, and we will resolve them for you within 12 hours., Manufacturer: AcarKing