234-4695 Oxygen Sensor Upstream O2 Sensor 1 for 2002 2003 2004 Land Rover Freelander V6-2.5L, for 1999 2000 2001 Land Rover Range Rover V8-4.0L COMPATIBLE WITH OEM: 6542PR7A51, ES20209, 234-4695 Length (Sensor to Lead): 475mm ( 18.7inch). Wires: 4 Before-Cat Upstream for 2002-2004 Land Rover Freelander V6-2.5L OE Plug Upstream Heated Oxygen O2 Sensor for 1999-2000 Land Rover Range Rover V8-4.0L Please check the description or use the year/make/model drop down bar and interchangeable part numbers to confirm the compatibility before purchase. Warranty: 1 year unlimited miles.