Genuine replacement parts and repair components for the Chamberlain C273 and C273C chain 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.
| Ref | Part Number | Description |
|---|---|---|
| 1 | 041B5348-2 | Sprocket and Hub Kit |
| 2 | 041A7618 | End Panel |
| 3 | 041D0145-1 | Light Lens |
| 4 | 041C0279 | Light Socket Kit |
| 5 | 041D0646-2 | Cover, C273 |
| 6 | 041-0236-000 | Motor with Travel Module |
| 7 | 041D8071-4 | Travel Module Kit, Universal DC |
| 8 | 041D0233-3 | End Panel |
| 9 | 050DCTBMC | Receiver Logic Board |
| 10 | 4228 | Battery, 12V |
| — | 041D9069 | Wire Harness |
| — | 041D0277-1 | Transformer, Wi-Fi Battery Backup |
| — | 041B4245-1 | AC Power Cord, 6' |
| — | 041A3150 | Terminal Block |
| Ref | Part Number | Description |
|---|---|---|
| 1 | 041A5807 | Chain and Cable Kit, 7' |
| 2 | K144C0056 | Square Rail Idler Pulley |
| 3 | 004A1008 | Chain, #48, with Master Link |
| 4 | 041A5665 | Rail Kit, 7' |
| 5 | 041C5141-1 | Square Rail Trolley Kit |
| 6 | 041D0598-1 | U Bracket Adapter |
| — | 041A7276 | Trolley Wear Pad Kit |
| — | 041A7920-1 | Hardware Kit |
| — | K083A0011-1 | Lithium Rail Grease |
| Ref | Part Number | Description |
|---|---|---|
| 1 | 041B0035B | Curved Door Arm |
| 2 | 041A5047 | 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 |
| 11 | K012B0776 | Hanging Bracket Kit |