LiftMaster 8365 Chain Drive Replacement Parts
LiftMaster 8365 Replacement Parts
Genuine replacement parts for the LiftMaster 8365 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 | 31D380 | Sprocket cover with screws |
| 2 | 41C4220A | Gear and sprocket assembly (aka 41A2827). Aftermarket version also available: 41C4220A aftermarket |
| 3 | 41A2817 | Drive and worm gear kit — the most common chain drive failure |
| 4 | 41A5484-1 | Front end panel with all labels |
| 5 | 041C0279 | Light socket |
| 6 | 108D79 | Light lens |
| 7 | 30B532 | Capacitor |
| 8 | 12A373 | Capacitor bracket |
| 9 | 041D7440 | Universal motor |
| 10 | 041D7742-7 | Travel module |
| 11 | 041D8141 | Cover |
| 12 | 045ACT | Logic board (045ACTMC) |
| 13 | 041D0210 | Logic board end panel |
Rail Assembly Parts
The rail comes in three lengths. Match it to your door height — a 7 ft door takes the 7 ft rail.
| Ref | Part Number | Description |
|---|---|---|
| 1 | 4A1008 | Master link kit |
| 2 | 41A4813 | Chain pulley bracket |
| 3 | 41A3489 | Complete trolley assembly |
| 4 | 1707LM | One-piece rail — 7 ft (2.1 m) door |
| 4 | 1708LM | One-piece rail — 8 ft (2.4 m) door |
| 4 | 1710LM | One-piece rail — 10 ft (3 m) door |
| 5 | 41D3484 | Full chain assembly — 7 ft (2.1 m) door |
| 5 | 41D3483 | Full chain assembly — 8 ft (2.4 m) door |
| 5 | 41D3485 | Full chain assembly — 10 ft (3 m) door |
| — | 83A11-2 | Rail grease (not shown) |
Installation Parts
| Ref | Part Number | Description |
|---|---|---|
| 1 | 882LM | Multi-function door control panel (now supplied as the 882LMW). A motion-detecting version, the 886LMW, also fits |
| 2 | 893LM | 3-button remote control. The 893MAX is the universal 3-button replacement |
| 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 | Door bracket with clevis pin and fastener |
| 8 | 41A4353 | 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 | 178B35 | Curved door arm section |
| 12 | 041-0155-000 | Safety reversing sensor brackets, pair. Replaces the 41A5266-1 shown on the diagram |
| — | 41A2770-6 | Installation hardware bag (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 |
|---|---|---|
| Install 9 | 41A5034 | 041-0136 safety sensor kit |
| Install 12 | 41A5266-1 | 041-0155-000 sensor brackets |
8365 or 8165? Nearly identical chain drives on the same rail. The difference is the cover and the logic board end panel — the 8365 takes the 041D8141 cover and 041D0210 end panel, the 8165 takes 041D8140 and 041D0239-1. Check the model number on the front panel before ordering refs 11 or 13.