Denso narrow-band Oxygen (O2) Sensor with 4 wire 8.27 inch long wiring harness Part Number: 234-4138 Application: Lexus: (2001-2007 GS430, 2003-2004 GX470, 2001-2006 LS430, 2003-2005 LX470, 2002-2010 SC430) / Toyota: (2003-2004 & 2010-2012 4Runner, 2010-2012 FJ Cruiser, 2003-2005 Land Cruiser) Parts Interchange: 8946560430, 8946550120, 8946560150 Corrosion-resistant stainless steel construction PTFE filter blocks efficiency-robbing contaminants Refined zirconia element improves sensor response Package Quantity: 1 Item Dimensions: 5.75 x 2.19 x 1.88 Inches Item Weight: 0.25 Pounds