IMPORTANT: Electrical items are covered by a 30 day EXCHANGE ONLY WARRANTY. There are no returns or refunds on such items.The 1969-1970 Mustang / Cougar Left Hand Quarter Vent Window Regulator is a high-quality replacement part engineered to restore smooth and accurate movement to the rear vent window on the driver side. Designed for 1969-1970 Ford Mustang and Mercury Cougar models, this regulator controls the operation of the quarter vent glass, ensuring proper alignment and secure adjustment. Constructed from durable stamped steel and built to factory specifications, it delivers reliable performance and a precise fit—perfect for replacing worn or seized original mechanisms in any restoration or repair project.
Installation:
Difficulty: 3/5 – Moderate installation requiring interior trim removal and glass alignment.
Start by removing the driver-side interior quarter panel to expose the window mechanism. Disconnect and remove the old regulator by unbolting it from the mounting points. Install the new regulator, ensuring proper alignment with the quarter vent glass. Reattach the glass, test the movement for smooth operation, then reinstall the trim panel to complete the job.
| Make | Model | Years |
| Ford | Mustang | 1969 - 1970 |
| Mercury | Cougar | 1969 - 1970 |
