Part Numbers: 7D0121049H, 7D0121049J, 7D0121049AS; Features: The radiator coolant hose has a smooth interior and provides stable fluid transfer, effectively delivering coolant from the radiator to the engine, maintaining normal engine temperature. Material: Providing reliability and performance, the automotive radiator hose is manufactured to standard specifications, is non-slip and practical, and uses specialized materials and adheres to strict quality control to ensure usability. Quality: The radiator coolant hose is made of particular materials, making it resistant to breakage and providing stable performance for long-term use. 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