Genuine OEM Audi Rear Suspension Crossmember Insulator, part number 1EA505145K. This component is designed to dampen vibrations and noise originating from the rear suspension crossmember, contributing to a quieter and smoother ride. It is installed as part of the rear suspension assembly. Weighing approximately 0.892 kg, this insulator is constructed from durable rubber and metal, engineered to precise factory specifications. Genuine OEM insulators provide the exact material composition and durometer for effective vibration isolation and long-term durability.