Upgrade or replace the failing drive motor on the Driver’s Door of your Peugeot 407 with a direct-fit Electric Window Motor (Part Numbers: 9663036680, 9221Z1). Designed for professional workshops and competent DIY mechanics, this motor restores reliable up-and-down movement, improves comfort features and ensures smooth operation of the left front window. Commonly searched by its product codes, this unit is an exact-match solution for vehicles fitted with the described window mechanism.

Technical Information

• Manufacturer: Stellantis / Citroën / Peugeot
• Model: Peugeot 407 — Left Front Door
• Product Codes: 9663036680, 9221Z1
• Other Numbers: 1137328125

Function

The Electric Window Motor Converts Electrical Input Into Rotational Torque To Drive The Window Regulator Mechanism, Allowing The Glass To Raise And Lower Smoothly. On Vehicles Equipped With A Fold-In Feature, The Motor Works In Conjunction With Door Electronics To Achieve The Required Movement And Positioning.

Common Failure Causes

• Water Ingress And Corrosion Of Electrical Connectors Or Motor Housing Leading To Intermittent Or Permanent Failure.
• Wear Of Internal Brushes Or Commutator In The Motor, Resulting In Reduced Torque Or Complete Stop.
• Seized Or Damaged Window Regulator Gears, Cables Or Tracks Increasing Load And Overstressing The Motor.
• Debris, Misalignment Or Heavy Friction In The Window Channel Causing Excessive Current Draw.
• Thermal Overload Or Short Circuit In The Door Wiring Harness.

Replacement Procedure

General Steps For Removal And Installation (For Experienced Mechanics/DIYers):

• Remove Interior Door Trim Carefully To Access Regulator And Motor. Keep Fasteners Organized.
• Disconnect The Electrical Connector From The Motor.
• Detach The Motor From The Regulator Assembly (Usually Secured By Bolts Or Clips) And Remove The Regulator If Required.
• Compare The Replacement Unit With The Old Motor To Confirm Matching Mounting Points And Connector Type.
• Install The New Motor On The Regulator, Reconnect Wiring And Manually Check Free Movement Before Reassembly.
• Test Window Operation Several Times Using The Vehicle Controls To Confirm Smooth Movement And Fold-In Function Where Applicable.
• Reassemble The Door Trim And Verify All Functions After Installation.

Installation Recommendations

• Disconnect The Battery Before Starting Any Electrical Work To Reduce Risk Of Short Circuits Or Airbag Deployment Accidents.
• Inspect The Regulator Tracks, Rollers And Seals; Clean And Lubricate Sliding Points With Suitable Grease To Reduce Wear On The New Motor.
• Check Electrical Contacts For Corrosion; Clean Or Replace Damaged Connectors To Ensure Reliable Power Supply.
• Do Not Force The Window If Resistance Is Felt—Find And Rectify The Mechanical Cause Before Continuing.
• After Installation, Verify The Fold-In/Comfort Features Function Correctly Where Equipped.

Why This Part Pays Off

Replacing A Faulty Window Motor Restores Convenience, Security And Weather Sealing Of The Driver’s Door. For Workshops, Supplying A Part Identified By OE Codes (9663036680, 9221Z1) Reduces Diagnosis Time And Ensures A Fast Repair Turnaround.

Order This Electric Window Motor For Peugeot 407 If You Need A Direct Replacement For The Left Front Door, Identifiable By The Above Product Codes.