Comprehensive Compatibility: This Replacement Drive and Worm Gear Kit suits a wide range of garage door openers including major brands, ensuring you find the exact match for your model. Extensive Model Coverage: Compatible with multiple models such as 13953614SR, 13953615SR, 41A2817, 41C4220, 41C4220A, and many more, 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 allows, 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, designed to restore the operational efficiency of your garage door and prolong the life and functionality of your system. Color: Photo Color Material: Plastic The actual product may have slight color differences, which will not affect its use. Package Contents: 1 x Replacement Drive Gear and Worm Gear Kit Only the above package content is included; other products are not. Note: Light reflection and different displays may cause slight color differences between the item in the picture and the actual item. A measurement error of +/- 1-3cm is allowed.