1、Applicable Model: The radiator coolant hose is a replacement for Civic EP3 Si SiR Type R K20A3 2002 to 2005, please check the model and year before ordering. 2、Main function: The silicone radiator hose is usually used to connect the coolant channel between the radiator and the engine to transfer coolant. 3、Heat Resistant Material: Made of high temperature resistant silicone material, three layer design, and can withstand working conditions in high temperature environments. 4、High Strength: The hose has excellent tensile and compressive strength, can withstand high pressure and severe extrusion, and is not easy to deform and break. 5、Good Sealing: Has excellent sealing performance, which can effectively prevent coolant leakage and gas leakage, and protect the safe and reliable operation of automobile engines.