Genuine OEM Audi Radiator Support Rubber Isolator, part number 4H0121268A. This small but crucial rubber component is designed to absorb vibrations and reduce noise emanating from the radiator support assembly. It acts as a buffer, preventing metal-on-metal contact and dampening oscillations. Made from high-quality, durable rubber, this isolator weighs approximately 0.04 kg. Using a genuine OEM rubber isolator ensures precise fitment and the correct durometer (hardness) for effective vibration dampening, contributing to a quieter and more comfortable driving experience.