Ford Mass Air Flow Sensor MAF Replacement For Ford Escape Expedition Explorer F150 F250 F350 Lincoln MKX MKZ Navigator Town Car Mercury Mariner Mountaineer Replaces 3L3Z 12B579 BA MAF0012
✔️ Replacement MAF sensor fits Ford, Lincoln, Mercury models listed
The mass air flow (MAF) sensor monitors how much air enters the engine, helping the ECU balance air and fuel for efficient combustion. This replacement unit is designed for a wide range of Ford, Lincoln and Mercury vehicles, and is built to endure typical engine heat and vibrations.
✅ Replacement MAF sensor part numbers: 3L3Z-12B579-BA, 3L3Z12B579BA, MAF0012, 245-1108, AF10140, MAS0140, AFLS131
✅ Compatible with Ford, Lincoln, Mercury models including 2004-2011 Crown Victoria, 2005-2012 Escape, 2007-2015 MKX, 2005-2011 Navigator & Town Car
✅ Located beside the air intake box for easy replacement in the engine bay
✅ 12-month warranty with free replacement or refund if sensor fails
✅ Clean air box and replace air filter before installation for best results
💡 What is a mass air flow sensor used for in modern engines? This handy device helps the engine control unit meter air for precise fuel delivery. - Measures air mass entering the intake to set injector pulses - Improves idle stability and fuel efficiency across temps - Supports accurate readings for a wide range of air flow - Helps prevent rich/lean conditions that hurt performance