Oxygen Sensor 234-4015 Downstream O2 Sensor 2 for 2001-2005 Lexus IS300 V6 3.0L Cylinder 1 2 3 Interchange Part Number: 234-4015, 13732, 8946553200, 24565 Length (Sensor to Lead): 690mm ( 27.2inch). Wires: 4 Upstream o2 sensor 1 for 1998-2005 Lexus GS300 3.0L Cylinder 4 5 6 and 2000 Toyota Celica L4-1.8L Post-cat oxygen sensor downstream for 2001-2005 Lexus IS300 V6 3.0L Cylinder 4 5 6 Warranty: One year unlimited miles.