4G0823721 4G0823722 Left Right 1 pair Hood Foam Engine Compartment Foam Vane Sponge Buffer Block For A6 C7 2012-2018 This foam vane sponge buffer block set is designed for the left and right sides of the hood in engine compartment applications.It fits models compatible with part numbers 4G0823721 and 4G0823722.The foam pieces help reduce vibration and provide a secure fit within the hood assembly.Installation is straightforward, aligning with mounting points.This pack includes one pair of foam buffer blocks intended for use on both sides of the hood. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.