Pressure Regulation: The overflow tube effectively regulates the pressure inside the radiator by discharging excess coolant, maintaining radiator operational. Material: These car radiator hoses are made from a particular material that is wear-resistant, non-slip, and practical, resisting wear and deformation, making them a suitable replacement part. Easy Installation: This radiator hose is flexible and adjustable, allowing it to be installed in any direction and angle, making it easy to use and suitable for your vehicle. Performance: The radiator overflow hose effectively maintains the engine cooling system, prevents air and oil leaks, and improves driving performance. Note: We are committed to providing after-sales service to all customers. If the product is not suitable for you or you have any dissatisfaction, please let us know, and our team will reply to you within 24 hours., Manufacturer: NNBINK