41C4220A Liftmaster Gear and Sprocket Assembly
41C4220A chain drive gear and sprocket assembly is for Liftmaster and
Raynor chain drive garage door openers manufactured after 1991. The gear
assembly includes drive gear assembly, worm gear, wear bushings,
grease, hardware and instructions for replacement.
You can view or download 41C4220A Instructions on our Support Manuals site
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