LiftMaster 8355W Rail Asssembly Parts
Replace a belt pulley bracket. We have one-piece 7-ft. rails, 8-ft. rails and 10-ft. rails. Save on a replacement master link kit. Order a trolley assembly or a trolley-threaded shaft. We have replacement tensioner assemblies in stock and ready for fast delivery. Because we're a long-time authorized LiftMaster retailer, we have the expertise to help you confirm parts compatibility or answer your parts installation questions.
| Key | Part # | Description |
|---|---|---|
| 1 | 41A5434-11 | Liftmaster 41A5434-11 Full Belt Assembly For 7' Garage Door Opener |
| 41A5434-13 | Liftmaster 41A5434-13 Full Belt Assembly For 8' Garage Door Opener | |
| 41A5434-14 | Liftmaster 41A5434-14 Full Belt Assembly For 10' Garage Door Opener | |
| 2 | 41B5424 | Liftmaster 41B5424 Belt Pulley Bracket |
| 3 | 4A1008 | Liftmaster 4A1008 Master Link Kit |
| 4 | 2777BD | LiftMaster 2777BD One Piece Rail 7 Feet |
| 2778BD | LiftMaster 2778BD One Piece Rail 8 Feet | |
| 2770BD | LiftMaster 2770BD One Piece Rail 10 Feet | |
| 5 | 41B3869-3A | LiftMaster 41B3869-3A Trolley Assembly |
| 6 | 41B4103 | Liftmaster 41B4103 Tensioner Assembly |
| 7 | 109B48 | Liftmaster 109B48 Trolley Threaded Shaft |
