MAF Mass Air Flow Sensor Meter AF10141 for Nissan Altima Infiniti G37 22680-7S000 Fit for: 350Z, 370Z, GTR, Altima, Titan, Maxima, Xterra, Sentra, Pathfinder etc. Please see the detailed description to know the exact model and year this item fits. Function: Measure the amount of air entering the engine so that the engine control module can determine the amount of fuel to inject. Direct Replacement for the factory Mass Air Flow Sensor. OE#: 22680-7S000, 22680-7S00A. Notice: Please clean out the air box and replace the air filter before installation, or the Code and Check Engine Light may keep showing even if you replace a new MAF. Installation: The MAF is found right next to your air filter. You take off two hose clamps with a standard screwdriver, unplug the wiring harness, and remove. Just reverse the process to install the new one.