This rubber buffer is an engine mounting component for various Audi models. It is compatible with vehicles up to VIN 8E-5-400 000 and specific engine codes including AVF, BDG, BCZ, AUK, BLB, BNG, BSG, and BNA. Applicable Audi models include A6 Avant (4F5, C6), A4 Avant (8ED, B7), A4 Avant (8E5, B6), A6 Avant (4B5, C5), A6 Limousine (4F2, C6), A4 Limousine (8E2, B6), A4 Cabrio (8H7, B6, 8HE, B7), A4 Limousine (8EC, B7), A6 Limousine (4B2, C5), A8 (4E2, 4E8), and Allroad (4BH, C5). The part number is 8E0199339.