Replaces

2003-04 Mass Air Flow Sensor with Housing - 1AEAF00139

This new mass air flow sensor is just what you need to get your vehicle in good running order again!

Specifications:

  • Brand New Sensor
  • Direct replacement
  • Built to strict quality control standards
  • Includes Housing

Installation Notes:

1. Make sure the air filter is in good condition and replace if necessary.
2. Clean out and inspect the intake hose when replacing this part. Moving the intake hose during replacement can loosen dirt which can then damage the new sensor.

This item is an electrical part. These units are tested prior to shipment.

Our electrical and electronic parts are subject to strict quality control testing.  Once the item has been installed or plugged in, it is no longer eligible for a refund.  The item may be eligible for replacement, only if it is found to have a manufacturing defect. Before purchasing, please ensure proper diagnosis of the failed original part is performed

Note:  You may be required to reset the vehicle’s computer after installation of this part.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

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Vehicle Fit

  • 2003-2004 Ford Expedition Mass Air Flow Sensor with Housing
  • 2003-2004 Lincoln Navigator Mass Air Flow Sensor with Housing

This part replaces:

  • OE # 3L7Z12B579AA
  • OE # 3L7U12B579AA
  • Hollander 336-05240
  • Wells SU8755
Part #: 1AEAF00139

Ships Same Day for orders placed by 4 P.M. ET