Kwiksen 2pcs Upstreasm and Downstream Oxygen Sensor 234-4205 234-4061 O2 Sensor 1 Sensor 2 Replacement for 1998 1999 2000 2001 2002 Toyota Corolla 1.8L PART NUMBER: 234-4061x1, 234-4205 x1 Upstream and Downstream O2 Sensor for 2001 2002 2001 Chevrolet Prizm 1.8L Front Rear O2 Sensor for 1998-2002 Toyota Corolla 1.8L Length 234-4061:400mm ( 15.75inch), 234-4205: 450 mm ( 17.72 inch) Please check the description or use the year/make/model drop down bar and interchangeable part numbers to confirm the compatibility before purchase.