LiftMaster 86502 Replacement Parts
Genuine replacement parts for the LiftMaster 86502 belt drive garage door opener — a DC unit with battery backup and LED lighting. This page also covers the 86502-267, which is the same opener supplied with an extra remote and keypad. 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.
Garage Door Opener Repair Parts
| Ref |
Part Number |
Description |
| 1 |
041C0589-2 |
Sprocket and sprocket cover with screws — no longer available |
| 2 |
041D9202 |
Front end panel with LED light connector / driver board — no longer available |
| 3 |
041D2052 |
LED light pod — no longer available |
| 4 |
041D0277-1 |
Transformer |
| 5 |
041-0132-000 |
Cover — not currently stocked |
| 6 |
041D8006-1 |
Motor with travel module. Now supplied as the 041-0236-000 |
| 7 |
041D9276 |
End panel for receiver logic board with LED light connector |
| 8 |
050DCTB |
Receiver logic board. Also stocked as the 050DCTBFMC |
| 9 |
041D8071-4 |
Travel module |
| 10 |
485LM |
Backup battery, 12V |
| — |
041B4245-1 |
Line cord (not shown) |
| — |
041A3150 |
Terminal block (not shown) |
| — |
041D9204 |
Wire harness (not shown) |
Rail Assembly Parts
The rail and belt 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 belt.
| Ref |
Part Number |
Description |
| 1 |
041A5434-11A |
Belt — 7 ft (2.1 m) door |
| 1 |
041A5434-13A |
Belt — 8 ft (2.4 m) door |
| 1 |
041A5434-14A |
Belt — 10 ft (3 m) door |
| 2 |
041B5424 |
Belt pulley bracket |
| 3 |
004A1008 |
Master link |
| 4 |
G2777 |
One-piece rail — 7 ft (2.1 m) door |
| 4 |
G2778 |
One-piece rail — 8 ft (2.4 m) door |
| 4 |
G2770 |
One-piece rail — 10 ft (3 m) door |
| 5 |
041B3869-3A |
Trolley assembly. Includes master link (2), clevis pin, ring, belt clip, threaded shaft and tensioner assembly |
| 6 |
041B4103 |
Tensioner assembly |
| 7 |
041A6689 |
Trolley threaded shaft |
Installation Parts
| Ref |
Part Number |
Description |
| 1 |
041B0035B |
Curved door arm |
| 2 |
041A5047-1 |
Door bracket with clevis pin and fastener |
| 3 |
041A2828 |
Emergency release rope and handle |
| 4 |
041A4353-1 |
Header bracket with clevis pin and fastener |
| 5 |
K029B0137 |
Remote control visor clip |
| 6 |
041-0155-000 |
Safety sensor bracket. Replaces the 041A5266-3 shown on the diagram, which is no longer available |
| 7 |
041-0136 |
Safety sensor kit, receiving and sending sensors with 3 ft 2-conductor wire. Replaces the 041A5034 shown on the diagram |
| 8 |
4178B0034B |
Straight door arm |
| 9 |
041B4494-1 |
White and red/white wire |
| 10 |
K010A0020 |
3V CR2032 lithium battery |
| 11 |
041A5281-1 |
Extension bracket (optional) |
| — |
041A2770-6 |
Installation hardware bag (not shown) |
Accessories
These two are what the 86502-267 package added over the base 86502.
| Ref |
Part Number |
Description |
| 1 |
880LMW |
Smart Control Panel |
| 2 |
893LM |
3-button remote control. The 893MAX is the universal replacement |
Superseded Part Numbers
| Ref |
Number on diagram |
Order this instead |
| Opener 6 |
041D8006-1 |
041-0236-000 DC motor and travel module |
| Install 6 |
041A5266-3 |
041-0155-000 sensor brackets |
| Install 7 |
041A5034 |
041-0136 safety sensor kit |
LED lighting, not a bulb. The 86502 uses an LED light pod and a driver board built into the front end panel, so there is no light socket or light lens to replace. If the light has failed, the parts involved are refs 2 and 3 — both currently unavailable from LiftMaster.
