We guarantee you'll find the right replacement part for your LiftMaster commercial garage door operator in our inventory at Garage Door Supply Company. If your part arrives and it doesn't fit or won't work, enjoy our 90-day returns policy. We also offer free shipping on many qualifying orders .All of our LiftMaster commercial door opener parts are new, because don't sell used or refurbished parts. We stock inexpensive replacement parts for LiftMaster light duty roller door openers and replacement remotes in one-button, two-button and three-button styles to operate a commercial door opener in 'open,' 'close' and 'stop' modes.
Search our collection to find compatible parts for your LiftMaster MH5011 medium-duty hoist operator, and shop our low prices on replacement transformers by LiftMaster for your commercial opener. We carry brake solenoids, pad-mount gooseneck keypad pedestals and replacement relays. Because LiftMaster, Craftsman and Chamberlain garage door openers and parts are made by the same company, we have compatible Craftsman and Chamberlain parts if you don't see the part by LiftMaster that you need for a replacement or repair.