Nissan Pathfinder Infiniti QX4 Mass Air Flow Sensor Meter 3.5L V6 2001 2002 2003 Brand New Aftermarket Replacement Mass Air Flow Sensor ( MAF ) NISSAN Ref. # 22680-4W000,22680-4W001 Cardone Ref. # 7410072 This MAF has an inside diameter of 75 mm This MAF has a 4 pin connector