Usage Tips:Comprehensive Compatibility: This Replacement Drive and Worm Gear Kit suits a wide range of garage door openers including major for , for , for , and for , ensuring you find the exact match for your model. Extensive Model Coverage: for Compatible with multiple models for 13953614SR, 139536151SR, and others, for 41A2817, 41C4220, and more, for 41A2817, 41C4220A among additional extensive model numbers providing a wide-reaching fit. Recommended Replacement Practice: For optimum performance and durability, it's highly recommended to replace both gear and worm gear at the same time which this kit enables, ensuring your garage door operates smoothly and efficiently. Garage Door Opener Enhancement: Upgrade or repair your garage door mechanisms with this high-quality gear kit that is designed to restore the operational efficiency of your garage door, prolonging the life and functionality of your valuable garage system. Color: Photo Color Material: Plastic The actual product may have slight color difference or difference, which will not affect the use Package Contents: 1*Replacement Drive Gear and Worm Gear Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.