Chamberlain Chain Drive models C450 C540C parts
Chamberlain C450 & C540C Replacement Parts
Genuine replacement parts and repair components for the Chamberlain C450, C450C and C540C chain drive garage door openers with built-in Wi-Fi. 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 | 041A5615 | Chain Spreader Kit |
| 2 | 041C4220A | Chain Drive Gear and Sprocket Kit |
| 3 | 041D8207 | End Panel |
| 4 | 041C0279 | Light Socket |
| 5 | 041-0144 | Light Lens |
| 6 | K030B0532-1 | Capacitor, 56µF, 220V |
| 7 | K012A0373 | Capacitor Bracket |
| 8 | 041D7742-7 | Travel Module, 1/2 HP |
| 9 | 041D8807 | Cover |
| 10 | 050ACTWFMC | Receiver Logic Board, AC, Wi-Fi |
| 11 | 041D8374 | End Panel |
| 12 | 041D7440 | Motor with Travel Module |
| 13 | 041B4245-1 | AC Power Cord, 6' |
| 14 | 041A3150 | Terminal Block |
| — | 041A7945 | Wire Harness |
Rail Assembly Parts
| 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 |
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 |
| 11 | K012B0776 | Hanging Bracket Kit |