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Efficient Heat Transfer: By optimizing the internal structure design, upper radiator hose can significantly improve the efficiency of the coolant. When the engine is running at high temperature, the heat can be quickly taken away and transferred to the radiator for effective cooling Anti-leakage Interface Design: Interfaces at both ends of upper radiator coolant hose are precisely processed, and the connection between the radiator and the engine is tight and seamless, which improves the overall performance of the cooling system Precise Fit: Radiator coolant water hose fit for BMW E70 X5 2007-2013 X5 3.0si, replaces 17127537107 17127555290 High Temperature Resistant Structure: Made of special materials, it is designed to cope with the extreme temperature environment in the car engine compartment, even under long-term high temperature operation, upper coolant hose can maintain its shape and strength Easy Installation: No additional adjustments are required, users can directly replace old parts, which simplifies the installation process, beginners can also easily complete the installation process, saving time and energy Color Black Brand Name TIKSCIENCE Unit Count 1.0 Count Item Weight 1.1 Pounds Manufacturer TIKSCIENCE Material Type High Temperature Resistant Material