Genuine OEM Audi Rear Support Frame Bonded Rubber Bush, part number 4M0505145J. This component is engineered to dampen vibrations and provide flexible yet firm support for a structural support frame, typically found in the rear suspension or subframe assembly. It plays a vital role in isolating road noise and harshness from the cabin, contributing to ride comfort and handling stability. This bush is designed for the rear support frame. Constructed from high-quality rubber bonded to a metal casing, it weighs approximately 0.80 kg. Choosing a genuine OEM bonded rubber bush ensures the correct durometer rubber, precise dimensions, and durable construction for optimal vibration damping and a long service life.