39354R.S Drive Belt for 7FT Garage Door

Key Features

• Direct replacement drive belt for garage door openers.
• Designed for standard 7-foot high garage doors.
• Engineered for quiet and smooth operation.
• Constructed as a single-piece, continuous loop belt for durability.
• Intended for use with 5-piece tube style rail systems.

Replaces / Cross-Reference Part Numbers

• 39354R.S

Compatibility & Fitment

• Fits Genie garage door opener models: 550, 750, 1055, 1155, 2055, 3053, 3055, 3155D, 7055, 7155.
• Compatible with select Chamberlain, Craftsman, and LiftMaster models that specify the use of part number 39354R.S.
• Specifically for belt drive openers equipped with a 5-piece rail for a 7-foot high door.

When to Replace

• Visible signs of wear, such as fraying, cracking, or splitting.
• Belt has snapped or is broken.
• Garage door movement is jerky or slips during operation.
• Excessive noise, such as slapping sounds, coming from the rail assembly.

Installation Tips

• Disconnect the garage door opener from its power source before starting any repair.
• Release the tension from the old belt completely before attempting removal.
• Ensure the new belt is correctly routed and seated on the motor sprocket and idler pulley.
• Follow the opener manufacturer's instructions for setting the correct belt tension.
• Verify door travel limits and safety reversal systems are functioning correctly after installation.