Mass Air Flow Sensor Meter / MAF Fits 00-03 Nissan Pathfinder, 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: NISSAN: AIRTEX/WELLS: 226804W000 22680-4W000 226804W001 22680-4W001 5S2720 SU5353 CARDONE: BECK/ARNLEY: 7410072 74-10072 8610072 86-10072 1581070 WALKER: DORMAN: 2451132 917810 *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: INFINITI QX4 (2001 - 2003) NISSAN PATHFINDER (2001 - 2002)