replacement photo eye sensor ( part) designed for LiftMaster, Sears, and Craftsman garage door openers that use part number 41A5034. This listing is for the sensor photo eye only and includes a ebook. Why you need this sensor Restores the safety function of your garage door opener by replacing a damaged or nonfunctioning photo eye. Prevents the door from closing on people, vehicles, or objects by reestablishing the required safety beam. Avoids the cost and downtime of replacing the entire opener when only the sensor needs replacement. Key benefits Direct compatibility: Made for systems that use part number 41A5034 (LiftMaster, Sears, Craftsman). Simple replacement: Designed to match the original sensor connection and alignment so you can swap it in quickly. Safety compliance: Reestablishes the opener's builtin safety reversal system when properly installed. Includes a ebook to support installation and basic troubleshooting. Main features and attributes Product type: Photo eye sensor (replacement part only). Compatibility: OEM part 41A5034 — fits LiftMaster, Sears, and Craftsman garage door openers that require this part. Condition: part. Contents: One sensor photo eye; no additional hardware or motor assembly included. ebook included. Functionality: Restores the safety beam that communicates with the garage door opener to prevent closing on obstructions. Form factor: Matches the original sensor's footprint and mounting orientation for direct replacement (photo eye only). What's included One photo eye sensor (41A5034 compatible). ebook (digital resource included with ). Typical applications / use cases a cracked or waterdamaged photo eye after an accident or storm to restore safe garage door operation. Perform a quick during a home or movein to ensure the garage door meets safety expectations. Keep a spare sensor on hand for property managers or contractors who maintain multiple garage doors and need fast, reliable part swaps. Installation notes Sold as the photo eye sensor only. Verify your opener uses part number 41A5034 before . Basic alignment and wiring knowledge is helpful; professional installation is recommended if you are unfamiliar with garage door safety systems. Use the ebook for guidance on replacement steps and common troubleshooting tips. Compatibility reminder Confirm compatibility by checking the part number on your existing sensor or the opener's manual. This part is intended specifically for systems that require 41A5034. with confidence , direct replacement part to get your safety sensor functioning again without replacing the entire opener assembly. Includes a ebook to assist with installation and initial checks.