The LiftMaster 041C5069 Chassis Support Bracket Assembly is a genuine OEM replacement designed to support and stabilize the opener chassis, helping maintain proper alignment between the motor head and rail/drive system. It replaces a worn, bent, or damaged factory bracket to restore smooth, reliable door travel and reduce unwanted vibration. This part is model-specific; always confirm compatibility by matching 041C5069 to the parts diagram for your exact LiftMaster garage door opener.
This assembly installs in place of the original bracket with standard hand tools and requires no programming. For safety, disconnect power to the opener, secure the rail to prevent movement, and follow the manufacturer’s service instructions during replacement. Use of the correct OEM bracket ensures the mounting geometry and fit remain as designed by LiftMaster, supporting dependable performance in residential applications.







