Mass Air Flow Sensor 1998-2004 Nissan Pathfinder, Quest, Infiniti QX4 In order to avoid return hassle and save yours and our time, you must cross-check indicated reference part numbers against those found on your old unit. Do not rely on vehicles compatibility list, which is presented for the reference purpose and shouldn't be your guide to determine compatibility. If you are unsure, you may call local dealership (auto parts dept.) to obtain correct part numbers or ask your mechanic. If you would like us to help you, please contact us and provide your vehicle's detailed info such as: Make/Model/Year/Engine/Full VIN# and we will do our best to find compatibility. PART REFERENCE NUMBERS: OEM: HITACHI: 22680-5J000 226805J000 226807B000 226807B001 AFH70-16 AFH7016 BECK/ARNLEY: AIRTEX/WELLS: 1570354 5S2718 SU5066 CARDONE: FORD: 7450014 74-50014 8650014 86-50014 XF5Z12B579AA YF5Z12B579AA XF5Z12B579AA YF5Z12B579AARM DORMAN: 917818 *Please cross-check indicated OEM reference codes against those found on your current unit. You may call local dealership (auto parts dept.) to obtain correct numbers. COMPATIBLE VEHICLES: * Models presented for reference purpose only! Make: Model: Year: Ford Mustang 2001-2001 Application Data: 3.8 Liters Infiniti Trucks QX4 2000-1998 Mercury Trucks Villager 2002-1999 Nissan Trucks Frontier 2004-1999 Application Data: 3.3 Liters Nissan Trucks Pathfinder 2000-1998 Nissan Trucks Quest 2002-1999 Nissan Trucks Urvan (Mexico) 2006-2000 Application Data: 2.4 Liters Nissan Trucks Xterra 2004-2000 Application Data: 3.3 Liters