1997 Infiniti QX4 Mass Air Flow Sensor A1 Cardone Infiniti Mass Air Flow Sensor 86-9937
A1 Cardone Select Mass Air Flow Sensor, NewDirect fit OE replacement; Built to the same tough specifications as the original equipment models; Features a precisely track OE output curves and maintains specification tolerance to ensure accurate scan tool reading; Rated to handle environmental conditions that include broad ranges of temperature and altitude; With A1 Cardone's limited lifetime warranty.