Details

• Brand:

  

  

• SKU:

  MU5Z-1565500-C

• Positions: Left Rear, Left, Front Right Rear, Right Rear, Front Left Rear, Front Lower Rear, Front Left Lower Rear, Front Rear
• Other Names:

  Lumbar Support, Motor, Seat Lumbar Support Cushion, Adjuster

• Description:

  This is the genuine Ford MU5Z-1565500-C lumbar adjuster (also cataloged as the seat lumbar support cushion) used on 17-25 Ford vehicles equipped with the power lumbar support feature in the front seat backs. Per the Ford catalog and the Ford catalog dealer catalogs, the part provides the inflatable air bladder and frame assembly that mounts inside the seat back, behind the seat cushion foam and trim cover, and provides driver and passenger adjustable lower back support. The unit uses an electric air pump (separate service part) to inflate and deflate the lumbar bladder under switch control from the door panel or center console seat controls. The bladder is constructed from reinforced flexible material that withstands repeated pressurization cycles over the vehicle service life. Common failure modes include bladder leaks (loss of lumbar support pressure with no obvious external damage), torn seams from age and repeated flexing, and pump check valve failures that allow gradual deflation when the bladder is pressurized. The complete lumbar assembly is replaced as a single unit; the bladder is not serviced separately. Replacement requires partial seat back trim removal to access the lumbar assembly mounted to the seat back frame. This is the genuine Ford service part backed by the OEM warranty.

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