Genuine OEM Volkswagen Decoupling Element, part number 04L145633E. This element absorbs vibrations and isolates components to reduce noise and stress in the intake system. It is located on the charge air cooler assembly. Made from rubber for effective vibration damping. Genuine OEM decoupling elements are specifically formulated and designed to withstand engine temperatures and pressures, ensuring a quiet and smooth operation by minimizing vibration transfer.