4Pcs Upstream + Downstream O2 Oxygen Sensor For Audi A4 A6 Volkswagen V6 2.8L

table.tableizer-table { font-size: 12px; border: 1px solid #CCC; font-family: Arial, Helvetica, sans-serif; } .tableizer-table td { padding: 4px; margin: 3px; border: 1px solid #CCC; } .tableizer-table th { background-color: #104E8B; color: #FFF; font-weight: bold; } Make Model Engine Year Notes AUDI A4 V6-2.8 1999-1997 AHA Engine ;2Pcs Upstream + 2Pcs Downstream AUDI A4 QUATTRO V6-2.8 1999-1998 2Pcs Upstream + 2Pcs Downstream AUDI A6 V6-2.8 1999 2Pcs Upstream + 2Pcs Downstream AUDI A6 QUATTRO V6-2.8 1999 2Pcs Upstream + 2Pcs Downstream AUDI A6 QUATTRO V6-2.8 1998 From Serial #4B-W-000 1 ;2Pcs Upstream + 2Pcs Downstream VOLKSWAGEN PASSAT V6-2.8 1999-1998 2Pcs Upstream + 2Pcs Downstream