LiftMaster 8587 Chain Drive Replacement Parts
LiftMaster 8587 Replacement Parts
Genuine replacement parts for the LiftMaster 8587 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.
Garage Door Opener Repair Parts
| Ref | Part Number | Description |
|---|---|---|
| 1 | 41C5069 | Chassis support bracket assembly kit |
| 2 | 41A4208-2 | Chain spreader |
| 3 | 041A5658-1 | Dual gear and sprocket kit |
| 4 | 41A2817 | Drive and worm gear kit — the most common chain drive failure |
| 5 | 41A5532 | Gear case |
| 6 | 041B4245-1 | Line cord, 6 ft |
| 7 | 041A7756 | Front end panel |
| 8 | 041C0279 | Light socket |
| 9 | 41A7562 | Light lens |
| 10 | 30B0652 | Capacitor |
| 11 | 041A3150 | Terminal block with screws |
| 12 | 041A7767 | Motor. A 3/4 HP motor, the 041D5563, is also stocked — match the HP on your motor label |
| 13 | 041D7742-5 | Travel module |
| 14 | 041A7619-4 | Cover |
| 15 | 045ACT | Logic board (045ACTMC). A Wi-Fi version, the 050ACTWF, and a lock-capable Wi-Fi version, the 050ACTWFLK, are also stocked |
| 16 | 041D0216 | Logic board end panel |
| — | 041A7814 | Dual wire harness kit (not shown) |
| — | 041D3452-2 | Limit switch kit (not shown) |
Rail Assembly Parts
The 8587 runs on an I-beam rail system, not the one-piece T-rail used on the 8065 and 8365. The rail and chain both come in matched lengths — a 7 ft door takes the 7 ft rail and the 7 ft chain.
| Ref | Part Number | Description |
|---|---|---|
| 1 | 41D3484 | Chain — 7 ft (2.1 m) door |
| 1 | 41D3483 | Chain — 8 ft (2.4 m) door |
| 1 | 41D3485 | Chain — 10 ft (3 m) door |
| 2 | 41A2780 | Chain pulley bracket |
| 3 | 4A1008 | Master link |
| 4 | 3707CH | One-piece I-beam rail — 7 ft (2.1 m) door |
| 4 | 3708CH | One-piece I-beam rail — 8 ft (2.4 m) door |
| 4 | 3710CH | One-piece I-beam rail — 10 ft (3 m) door |
| 4 | G3712RV | I-beam rail assembly — 12 ft (3.7 m) door |
| 5 | 41A3489 | Trolley assembly |
| 6 | 109B48 | Trolley threaded shaft — contact us for availability |
| — | 041B3243 | Inner trolley assembly (not shown) |
| — | 83A11-2 | Rail grease (not shown) |
Installation Parts
| Ref | Part Number | Description |
|---|---|---|
| 1 | 178B35 | Curved door arm |
| 2 | 41A5047 | Door bracket with clevis pin and fastener |
| 3 | 41A2828 | Emergency release rope and handle |
| 4 | 41A4353-1 | Header bracket with clevis pin and fastener |
| 5 | 29B137 | Remote control visor clip |
| 6 | 041-0155-000 | Safety sensor brackets, pair. Replaces the 041A5266-3 shown on the diagram, which is no longer available |
| 7 | 041-0136 | Safety sensor kit, sending and receiving sensors with 2-conductor wire. Replaces the 41A5034 shown on the diagram |
| 8 | 178B34 | Straight door arm |
| 9 | 41B4494-1 | White and red/white bell wire |
| 10 | 10A19 | 3V CR2016 lithium battery — note this is the CR2016, not the CR2032 used on other models |
| 11 | 041A5281-1 | Sensor extension brackets |
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 |
|---|---|---|
| Install 6 | 041A5266-3 | 041-0155-000 sensor brackets |
| Install 7 | 41A5034 | 041-0136 safety sensor kit |
I-beam rail, not T-rail. The 8587 uses the 3707CH/3708CH/3710CH I-beam rail system and the 41A2780 chain pulley bracket. The 1707LM/1708LM rails and 41A4813 bracket from the 8065 and 8365 pages will not fit this opener.