●COMPATIABLE VEHICLES - Throttle position sensor fit 1997 1998 1999 2000 for Infiniti QX4, 1999 2000 2001 2002 2003 2004 for Nissan Frontier, 1996 1997 1998 1999 2000 for Nissan Pathfinder, 2000 2001 2002 2003 2004 for Nissan Xterra ●TPS USAGE - Throttle position sensor mainly used in engine fuel injection systems and electronically controlled automatic transmission systems. It is used to monitor the air intake of a engine and input position signal into the electronic control unit and control different fuel injection quantities and ignition timing ●IMPROVED PERFORMANCE - The emphasis on accurate sensor reading ensures smooth adjustment of the engine throttle, resulting in a linear and smooth acceleration process. This will improve the vehicles acceleration and make the driving experience smoother and more comfortable. ●RELIABLE QUALITY - MATERIAL - Manufactured using high quality materials and through a rigorous quality control and testing process to ensure reliability and long product life. 100% brand new camshaft position sensor, not refurbished or re-manufactured parts.. ●NOTICES - Please check car for Make model trim engine,product appearance and part number to for Make sure this is the right part you need.Please check picture,OE part number and FITMENT information to verify this is the correct one you need before your purchase.