Features: Mass air flow sensor allows the vehicle to detect the mass of airflow entering the engine necessary for proper fuel mixture. Mass air flow sensor can easily be located beside the air intake box inside the engine bay. Made of durable material, good performance and longer lifespan. This is a non-OEM product, accessory only! Specification: Material: Plastic, Metal Color: Black Pin Number: 4 Size: 9.3x5.1x4.0cm / 3.66"x2.01"x1.57"(L*W*H) Hole Diameter: 5mm / 0.20" OE Number:F8LF-12B579-AAFitment: for Ford E-150 8 Cyl 5.4L 1998-1999 ( 4AT 4R100, 4AT 4R70W, 4AT E4OD ) for Ford E-250 8 Cyl 5.4L 1998-1999 ( 4AT 4R100, 4AT 4R70W, 4AT E4OD ) for Ford E-350/E-350 Super Duty 8 Cyl 5.4L 1998-1999 ( 4AT 4R100, 4AT 4R70W, 4AT E4OD ) for Ford Expedition 8 Cyl 5.4L 1997-1998 ( 4AT 4R100, 4AT 4R70W, 4AT E4OD ) for Lincoln Navigator 8 Cyl 5.4L 1998 ( 4AT 4R100, 4AT E4OD ) Note: After installation, if it can work, some models need to delete the error code manually, otherwise the error code still exists. Must to wait for the car engine to cool down, before installing. Package Includes:1 Pcs Mass Air Flow Sensor Meter