Chamberlain PD752D Replacement Parts
Genuine replacement parts for the Chamberlain PD752D chain drive garage door opener. Each section below has its own diagram and its own numbering starting at 1, so match the section name as well as the reference number. Click any part number to order.
Motor Unit Assembly Parts
| Ref |
Part Number |
Description |
| 1 |
041A5615 |
Chain spreader |
| 2 |
041A5585 |
Gear and sprocket assembly. Includes spring washer, thrust washer, retaining ring, bearing plate, roll pins, drive gear, worm gear, helical gear with retainer and grease |
| 3 |
041A2817 |
Drive and worm gear kit with grease and roll pins |
| 4 |
041B4245-1 |
Line cord, 6 ft |
| 5 |
41A5484-1 |
End panel with all labels |
| 6 |
4A1344 |
Light socket |
| 7 |
108D79 |
Light lens |
| 8C |
41A5637 |
Resistor |
| 9 |
41A3150 |
Terminal block with screws |
| 10 |
41D5563-1 |
Universal replacement motor and bracket assembly. Includes motor, worm, bracket, bearing assembly and RPM sensor |
| 13 |
041D3452-2 |
Limit switch assembly |
| 14 |
041A2822-1 |
Interrupter cup |
| 16 |
041AC075-2S |
Receiver logic board assembly. Includes logic board, end panel with all labels and light socket |
| 17 |
41C5588 |
High voltage wire harness |
| 17 |
041C4398A |
RPM sensor assembly |
| 18 |
41D180-1 |
End panel with all labels |
| — |
41A2825 |
Opener assembly hardware kit (not shown) |
Rail Assembly Parts
Installation Parts
| Ref |
Part Number |
Description |
| 3 |
10A20 |
3V CR2032 lithium battery |
| 4 |
29B137 |
Remote control visor clip |
| 5 |
41A2828 |
Emergency release rope and handle assembly |
| 6 |
41B4494-1 |
2-conductor bell wire, white and white/red |
| 7 |
41A5047-1 |
Door bracket with clevis pin and fastener |
| 8 |
41A5047-2 |
Header bracket with clevis pin and fastener |
| 9 |
041-0136 |
Safety sensor kit, sending and receiving eyes with 3 ft bell wire. Replaces the 41A5034 shown on the diagram |
| 10 |
178B34 |
Straight door arm section |
| 11 |
12B776 |
Hanging bracket |
| 12 |
178B35 |
Curved door arm section |
| 13 |
041-0155-000 |
Safety sensor brackets, pair. Replaces the 41A5266-1 shown on the diagram |
| — |
41A5258-9 |
Installation hardware bag (not shown) |
| — |
041-0365-000 |
Sensor eyes and brackets together, 1997 to current (not shown) |
Superseded Part Numbers
The diagrams print the original numbers. These parts are now supplied under new numbers — order the current part.
| Ref |
Number on diagram |
Order this instead |
| Motor 16 |
41AC075-2 |
041AC075-2S receiver logic board |
| Motor 10 |
41D5563 |
41D5563-1 universal motor and bracket assembly |
| Install 9 |
41A5034 |
041-0136 safety sensor kit |
| Install 13 |
41A5266-1 |
041-0155-000 sensor brackets |
Chamberlain and LiftMaster share parts. Both brands are made by the same manufacturer and most PD752D components carry LiftMaster part numbers. A LiftMaster-branded part with the correct number is the right part.