Kwiksen 2pcs Upstream Downstream Oxygen Sensor 234-4092 234-4123 Sensor 1 Sensor 2 for 2001 2002 2003 2004 2005 Honda Civic 1.7L ONLY D17A7 Engine PART NUMBER: 234-4092 x1, 234-4123 x1 Only fit: D17A7 Engine, please note it Upstream & Downstream O2 Sensor for 2001-2005 Honda Civic 1.7L D17A7 Length 234-4123 :350 mm ( 13.77inch),234-4092 600mm (23.62 inch) Please check the description or use the year/make/model drop down bar and interchangeable part numbers to confirm the compatibility before purchase.