LiftMaster K001D8478 CAPXL/CAPXM Door Control Board and Cover Replacement Kit

Get gates back to dependable operation quickly with the LiftMaster K001D8478 CAPXL/CAPXM Door Control Board and Cover Replacement Kit. Designed specifically for gate operators, this kit replaces worn or damaged door control electronics and their protective cover to restore secure, predictable access control. The OEM manufacturer part number K001D8478 ensures compatibility with CAPXL and CAPXM models, helping maintenance teams complete repairs faster and avoid costly downtime.

Beyond simple replacement, the included cover protects sensitive circuitry from dust and environmental exposure—reducing future failures and extending the life of your gate operator. This solution supports security, surveillance, and monitoring goals by maintaining consistent gate response for access control systems and perimeter protection. Technicians will appreciate the plug-and-play nature of the board, which streamlines installation and lowers service labor time.

Ideal for property managers, security integrators, and facilities teams maintaining LiftMaster gate operators, this replacement kit keeps your site operational and secure. Order the LiftMaster K001D8478 kit today to restore functionality and improve uptime for your CAPXL/CAPXM gate operators.

• Restores reliable gate control and minimizes downtime by replacing a failing door control board
• OEM-compatible kit (K001D8478) designed for CAPXL/CAPXM operators for straightforward swap-outs
• Includes protective cover to safeguard electronics from dust and environmental exposure, extending service life
• Simplifies maintenance with a plug-and-play replacement that reduces labor time and service calls
• Enhances site security and monitoring by returning secure, predictable operation to access control systems