Chamberlain Belt Drive model B1381 parts
Chamberlain B1381 Replacement Parts
Genuine replacement parts and repair components for the Chamberlain B1381 and B1381C belt drive garage door opener with battery backup. Use the diagram above and the part-number tables below to identify the exact component you need. Click any part number to view or order that part.
Garage Door Opener Repair Parts
| Ref | Part Number | Description |
|---|---|---|
| 1 | 041C1751 | Belt Cap and Sprocket Kit |
| 2 | 041D9202 | End Panel, Driver Board |
| 3 | 041D2052 | LED Pod with Array |
| 4 | 041D0277-1 | Transformer, Wi-Fi Battery Backup |
| 5 | 041D8252 | Cover |
| 6 | 041-0236-000 | Motor with Travel Module |
| 7 | 041D9276 | End Panel |
| 8 | 050DCTBLKMC | Logic Board, Bluetooth Enabled, Lock |
| 9 | 041D8071-4 | Travel Module Kit, Universal DC |
| — | 4228 | Battery Backup, 12V |
| — | 041B4245-1 | AC Power Cord, 6' |
| — | 041A3150 | Terminal Block Kit |
| — | 041D9204 | Wire Harness, LED |
Rail Assembly Parts
| Ref | Part Number | Description |
|---|---|---|
| 1 | 041A5250 | Belt, 7' |
| 2 | K144C0054M | Belt Idler Pulley |
| 3 | 004A1008 | Chain, #48, Master Link |
| 4 | 041A5665 | Rail Kit, 7' |
| 5 | 041C5141-2 | Square Rail Trolley Kit |
| 6 | 041D0598-1 | U Bracket Adapter |
| 7 | 041A6689 | Threaded Shaft, D-Shape |
| 8 | 041B4103 | Belt Tensioner Kit |
| — | 041A7276 | Trolley Wear Pads |
| — | K083A0011-1 | Lithium Rail Grease |
Installation Parts
| Ref | Part Number | Description |
|---|---|---|
| 1 | 041B0035B | Curved Door Arm |
| 2 | 041A5047-1 | Door Bracket |
| 3 | 041A2828 | Emergency Manual Release Rope |
| 4 | 041A5047-2 | Header Bracket |
| 5 | K029B0137 | Remote Control Visor Clip |
| 6 | 041-0155-000 | Safety Sensor Bracket Kit |
| 7 | 041-0136 | Safety Sensor Kit |
| 8 | 4178B0034B | Straight Door Arm |
| 9 | 041B4494-1 | White/Red Bell Wire |
| 10 | K010A0020 | 3V CR2032 Lithium Battery |