For Audi A4 2005-2008 For A4 Quattro 2005-2009 Replaces Part Number: 8E0121101, For 24115,For CHR0034P Function: The main function of the radiator hose is to assist the radiator in dissipating heat from the engine, ensuring stable operation of the engine within the ideal temperature range, it connects the water circuit between the cylinder head or cylinder block and the radiator, allowing the cooling water to circulate smoothly and effectively remove the heat generated by the engine. Replace Radiator Hose: 1.The Engine Temperature is Overheating; 2.Radiator Hose is Broken or Leak; 3.Radiator Hose Clamp is Loose; 4.Low Coolant Level. Material: This radiator hose tube is made of Rubber materials, high temperature resistance and pressures, not easy to deform, preventing engine overheating and leaks, ensuring optimal engine performance. Package Contents: 1 Pc Radiator Hose, Please double-check the part number of your item, the matching information is for reference only., Manufacturer: ZPY AUTO PARTS