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Search the complete model number, symptom, or error code for garage door openers. Exact-model part evidence and owner guidance are shown separately.

Exact-model parts searchGarage Door Openers

Exact model identity found: 8550WLB. The linked guide has direct manufacturer-source evidence for this model.

47 published part-compatibility guides checked for Garage Door Openers. This is current guide coverage, not a count of every OEM part.

Exact model · 8550WLB

LiftMaster 8550WLB lock-capable board and battery parts

Part type: Exact LiftMaster 8550WLB lock-capable board, end-panel, and battery lookup. Review the manufacturer evidence below and confirm the full appliance identifier before ordering.

LiftMaster Canada: 8550WLB Replacement Parts, Specifications, and Product Guide LinksExact 8550WLB heading and discontinued status; belt/DC/battery-backup/security-lock specs; model diagram lists 050DCTBFLKMC, 041D0216-2, G485LM, 041-0365-000, and 041-0136; links the 8550WLB Product Guide.Open source ↗LiftMaster: 050DCTBFLKMC Lock-Capable Bluetooth Logic BoardDirectly lists 8550WLB in the part compatibility table; describes this as a lock-capable DC-drive replacement board and restricts it to applicable models manufactured after 2021.Open source ↗