LiftMaster 8075 Chain Drive Replacement Parts
LiftMaster 8075 Replacement Parts
Genuine replacement parts for the LiftMaster 8075 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 | 41A4208-2 | Chain spreader with screws |
| 2 | 41C4206 | Dual speed gear and sprocket assembly (also numbered 041A3261-1). This is the 8075's gear — it is not the 41C4220A used on the 8065 |
| 3 | 41A2817 | Drive and worm gear kit — the most common chain drive failure |
| 4 | 143D100 | Front end panel with all labels — not currently stocked |
| 5 | 041C0279 | Light socket |
| 6 | 108D36-2 | Light lens |
| 7 | 30B532 | Capacitor |
| 8 | 12A373 | Capacitor bracket |
| 9 | 041D7440 | Universal motor |
| 10 | 041D7742-7 | Travel module |
| 11 | 041D8145 | Cover |
| 12 | 045ACT | Logic board (045ACTMC) |
| 13 | 041D0240 | Logic board end panel |
| — | 041A3150 | Terminal block with screws (not shown) |
| — | 041B4245-1 | Line cord, 6 ft (not shown) |
| — | 041A7946 | Wire harness (not shown) |
Rail Assembly Parts
The rail and chain both come in three lengths. Match the length to your door height — a 7 ft door takes the 7 ft rail and the 7 ft chain.
| Ref | Part Number | Description |
|---|---|---|
| 1 | 004A1008 | Master link kit |
| 2 | 41A4813 | Chain pulley bracket |
| 3 | 041A3489 | 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 | 883LMW | Push button door control — current replacement for the 883LM shown on the diagram |
| 2 | 891LM | 1-button remote control. For a 3-button universal remote use the 893MAX |
| 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 sensors 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) |
| — | 877LM | Wireless entry keypad (not shown) |
Superseded Part Numbers
The diagrams print the original numbers. These three parts are now supplied under new numbers — order the current part.
| Ref | Number on diagram | Order this instead |
|---|---|---|
| Install 1 | 883LM | 883LMW door control button |
| Install 9 | 41A5034 | 041-0136 safety sensor kit |
| Install 12 | 41A5266-1 | 041-0155-000 sensor brackets |
8065 or 8075? They share a chassis, motor, board and rail, but the gear and sprocket is different. The 8075 takes the dual speed 41C4206; the 8065 takes the 41C4220A. Check the model number on the front panel before ordering ref 2.