Liftmaster 1280R


Find the replacement part fast for your LiftMaster 1280R residential garage door opener with our interactive online parts guide at Garage Door Supply Company. The interactive diagram illustrates what replacement parts look like and where they fit with each other on your LiftMaster 1280R belt drive garage door operator.
Hover with your computer mouse over the illustration of the part you want to see the part number. Then scroll down and click on the part number to learn the price, installation information and compatibility information. Find LiftMaster 1280R replacement belts, motors, circuit boards and more. We also sell replacement LiftMaster model 1280R remote controls.
LiftMaster Motor Assembly Parts:
Key | Part Number / Item Name |
11 | 12A373 Capacitor bracket |
12 | 41A3150 Terminal block w/screws |
13 | 41C4842 Replacement motor & bracket |
14 | 41a3583-7 Motor Cover (Not Available) |
15 | 41A2818 Limit drive gear & retainer |
16 | 41D3452 Limit switch assembly |
17 | 41C4398A RPM sensor assembly |
18 | 41A2826 Shaft bearing Kit (Not Available) |
19 | 41A2822A Interrupter cup assembly |
20 | 41A5014-3 End panel w/All Labels (Not Available) |

LiftMaster Belt Drive Rail Assembly Parts:
Key | Part Number / Item Name |
1 | 4A1008 Master Link Kit |
2 | 41A3588-1 Belt Pulley Bracket |
3 | 41B3869-3 Trolley Assembly |
4 | 109B33 Trolley Belt Clip |
5 | 183B99 One piece T-rail Assembly (Not Available) |
Key | Part Number / Item Name |
6 | 41A3589-3 Full Belt Assembly 7' Door |
41A3589-1 Full Belt Assembly 8' Door | |
41A3589-2 Full Belt Assembly 10' Door | |
7 | 41B4103 Belt Tensioner Assembly |
8 | 83A11-2 Rail Grease AeroLube |

Installation Parts
Key | Part Number / Item Name |
7 | 41A5047 Door Bracket |
8 | 41A4353 Header Bracket |
9 | 41A5034 Safety Sensor Kit |
10 | 178B34 Straight Door Arm |
11 | 178B35 Curved Door Arm |
12 | 41A5266-1 Safety Sensor Brackets |