LiftMaster 8165 Chain Drive Replacement Parts

LiftMaster 8165 Replacement Parts

Genuine replacement parts for the LiftMaster 8165 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

LiftMaster 8165 chain drive garage door opener motor unit parts diagram
Ref Part Number Description
1 31D380 Sprocket cover
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 041D8140 Cover
12 045ACT Logic board (045ACTMC)
13 041D0239-1 Logic board end panel — current version. The 041D0239 printed on the diagram is no longer available
041A3150 Terminal block with screws (not shown)
041B4245-1 Line cord, 6 ft (not shown)
041A7946 Wire harness (not shown)

Rail Assembly Parts

LiftMaster 8165 chain drive rail assembly parts diagram

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

LiftMaster 8165 installation parts diagram, wall control, remotes, brackets and door arms
Ref Part Number Description
1 882LMW Multi-function door control. A motion-detecting version, the 886LMW, also fits
2 891LM 1-button remote control — this is the 8165's remote
3 893LM 3-button remote control — shipped with the Model 8160, shown here because the two models share this drawing. The 893MAX is the universal 3-button replacement
4 10A20 3V CR2032 lithium battery
5 29B137 Remote control visor clip
6 41A2828 Emergency release rope and handle assembly
7 41B4494-1 2-conductor bell wire, white and white/red
8 41A5047 Door bracket with clevis pin and fastener
9 41A4353 Header bracket with clevis pin and fastener
10 041-0136 Safety sensor kit, sending and receiving sensors with 3 ft bell wire. Replaces the 41A5034 shown on the diagram
11 178B34 Straight door arm section
12 178B35 Curved door arm section
13 041-0155-000 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
Opener 13 041D0239 041D0239-1 logic board end panel
Install 10 41A5034 041-0136 safety sensor kit
Install 13 41A5266-1 041-0155-000 sensor brackets
8165 or 8065? Both are chain drives on the same rail, but the 8165 has a different cover, end panel and light lens. Check the model number on the front panel before ordering refs 4, 6, 11 or 13.