Chamberlain B373 Garage Door Opener Parts Diagram and List - Chain Assemblies, Rail
The Chamberlain B373 garage door openers use a DC motor with a full belt rail assembly. This model has a single, wifi and battery back up. Use our parts diagram for reference with all available parts listed below.
The Chamberlain B373 garage door openers use a DC motor with a full belt rail assembly. This model has a single, wifi and battery back up. Use our parts diagram for reference with all available parts listed below.
Shop By
Shopping Options
LiftMaster 4A1008 Master Link KitSKU: 4A1008$11.64OEM LiftMaster 4A1008 Master Link Kit for chain‑drive…
