Genuine OEM Audi radiator mounting bushing, part number 4E0121275. This rubber component is designed to isolate the radiator from chassis vibrations, preventing premature wear and damage to the cooling system. It is positioned at the lower mounting point of the radiator assembly as shown in the technical diagram. Manufactured from high-grade vibration-dampening rubber, this bushing provides the exact factory-specified durometer and fitment required for a secure, rattle-free installation. Choosing genuine OEM ensures the correct material composition to withstand engine bay temperatures and maintain long-term structural integrity.