Specifications: 1. TypeChip Oxygen Sensor 2. Length (Sensor to Lead)725mm 3. Wires: 4 4. Interchange Part Number: 234-4732 5. Fitment for: Please check fitment notes & description for accurate information. Saab 2006 9-2X Aero Turbocharged 2005 9-2X (submodel: Aero, Linear) Subaru 2004-2006 Baja Turbo Turbocharged 2005 Forester X Naturally Aspirated 2005 Forester XS Naturally Aspirated 2005 Forester XS L.L. Bean Edition Naturally Aspirated 2004-2005 Forester XT Turbocharged 2006-2008 Forester XT Limited Turbocharged 2005 Forester XT Premium Turbocharged 2008 Forester (submodel: 2.5 XT, Sports 2.5 XT) Turbocharged 2003-2005 Impreza WRX 2002 Impreza WRX Automatic Transaxle 2008-2012 Impreza WRX STI Engine Designation: EJ257, Turbocharged 2004-2007 Impreza WRX STI Turbocharged 2011-2012 Impreza WRX STI Limited Engine Designation: EJ257, Turbocharged 2007 Impreza WRX STI Limited Turbocharged 2010 Impreza WRX STI Special Edition Engine Designation: EJ257, Turbocharged 2005 Impreza (submodel: Outback Sport, RS) Naturally Aspirated 2006-2007 Impreza (submodel: WRX, WRX Limited, WRX TR) Turbocharged 2013-2014 Impreza (submodel: WRX STI, WRX STI Limited) Engine Designation: EJ257 2010-2012 Legacy 2.5GT Turbocharged 2005-2006 Legacy GT Turbocharged, Automatic Transaxle 2007-2009 Legacy GT Limited Engine Designation: EJ255, Turbocharged, Automatic Transaxle 2005 Legacy GT Limited Turbocharged, Automatic Transaxle 2007-2009 Legacy GT spec.B Engine Designation: EJ255, Turbocharged 2005 Legacy i Naturally Aspirated, With or Without California, Location After Secondary Catalyst 2005 Legacy Limited Naturally Aspirated, With or Without California, Location After Secondary Catalyst 2004 Legacy (submodel: GT, L, L 35th Anniversary) California, Location After Secondary Catalyst 2008 Outback 2.5 XT Turbocharged, Automatic Transaxle 2004 Outback Base California, Location After Secondary Catalyst 2002-2004 Outback H6 2004 Outback H6 35th Anniversary Edition 2004 Outback H6 VDC 2001-2004 Outback L.L. Bean 2004 Outback Limited California, Location After Secondary Catalyst 2001-2003 Outback VDC 2005-2006 Outback XT Turbocharged, Automatic Transaxle 2005-2009 Outback XT Limited Turbocharged, Automatic Transaxle 2005 Outback (submodel: i, Limited) Naturally Aspirated, With or Without California, Location After Secondary Catalyst 2013-2016 WRX STI Base 2015 WRX STI Launch Edition 2015-2016 WRX STI Limited 2016 WRX STI Series.HyperBlue 2013-2014 WRX STI Sport-tech 2014 WRX STI Tsurugi EditionPackage Includes: 1 x Oxygen Sensor Notes: Before buying, please check the note, color, position, year make model. Please make sure to match the exact part numbers between this part and the part that you are replacing. Contact your mechanics, or send us a message to make sure it matches exactly in case of doubt before purchasing. If one does not match, please do not buy it. Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.