Mass Air Flow Sensor/Meter FOR: 99-06 Kia Optima, Magentis, Hyundai Santa Fe, Sonata 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: HYUNDAI: BOSCH: 2816438200 28164-38200 2816438210 28164-38210 2816438080 28164-38080 0280218111 0 280 218 111 AIRTEX/WELLS: CARDONE: 5S2988 SU6930 8610103 86-10103 AUTO 7: 0350020 *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: HYUNDAI SANTA FE (2001 - 2006) HYUNDAI SONATA (1999 - 2005) KIA MAGENTIS (2001 - 2006) KIA OPTIMA (2001 - 2006) KIA SPECTRA (2001 - 2004)