2Pcs Upstream & Downstream O2 Oxygen Sensor For Audi A4 Quattro 2.0L BWT Engine

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 L4-2.0 2009 BWT Engine ;1 Upstream & 1 Downstream AUDI A4 L4-2.0 2008-2005 1 Upstream & 1 Downstream AUDI A4 QUATTRO L4-2.0 2009 BWT Engine ;1 Upstream & 1 Downstream AUDI A4 QUATTRO L4-2.0 2008-2005 1 Upstream & 1 Downstream