How To Install The Replacement Mass Air Flow Meter Sensor: 1. Position sensor in the vehicle. Make the direction indicated on the sensor is toward the engine. 2. Install sensor-to-air-duct seal(s), if so equipped, on the replacement sensor. 3. Connect the sensor to the throttle body air cleaner ducts. If the sensor mounts directly on the throttle body, install and tighten the mounting screws to 10 ft-lb. DO NOT OVERTIGHTEN! 4. Position over the air duct/ sensor connections and tighten; Replace the if necessary.NOTE: For the sensor to work properly, the sensor/air duct connections must be airtight. 5. CAREFULLY plug the harness connector lead into the sensor. Replaces Part Number:22680-5J000 Other Part Number: 226805J000 226805J000 Mass Air Flow Sensor Meter Compatible with: for 2001-2004 3.8L V6 mass air flow sensor for 1998-2000 QX4 3.3L V6 mass air flow sensor for 1999-2002 Mercury 3.3L V6 mass air flow sensor for 1999-2004 Frontier 3.3L V6 mass air flow sensor for 1998-2000 3.3L V6 mass air flow sensor for 1999-2002 Quest 3.3L V6 mass air flow sensor for 2000-2004 3.3L V6 mass air flow sensor Material:ABS colour:black Package Contents: 1 * Mass Air Flow Sensor Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.