The LiftMaster CA200-76 Crown Sub-Assembly is an OEM replacement component engineered for the internal drive train of LiftMaster LM2800 and LM3600 operators. Serving as a critical gear interface, this crown sub-assembly helps transfer power within the operator to keep door movement consistent and dependable. It’s a direct-fit service part for repairs where the original crown gear assembly shows wear, noise, or operational issues, making it a go-to solution for restoring reliability and performance in compatible LiftMaster units.
Designed for professional service environments, the CA200-76 installs within the operator’s gear housing and should be fitted by a qualified technician following the LiftMaster service manual. Disconnect power before service, verify door balance, and perform post-repair limit/force checks or recalibration as required by the specific LM2800/LM3600 programming instructions. Using genuine LiftMaster parts ensures proper fit and compatibility, supporting long-term operation and maintaining the integrity of the LM2800 and LM3600 opener systems. Common search terms include LiftMaster crown gear, CA200-76 replacement, LM2800 parts, LM3600 parts, and operator gear assembly.


