Liftmaster 85870 replacement parts

LiftMaster 85870 Replacement Parts

Genuine replacement parts and repair components for the LiftMaster 85870 3/4 HP heavy-duty chain drive garage door opener. Use the diagram above and the part-number tables below to identify the exact component you need. Click any part number to view or order that part.

Garage Door Opener Assembly Parts

Ref	Part Number	Description
1	041C5069	Chassis Support Bracket
2	041A4208-2	Chain spreader
3	041A5658-1	Gear and Sprocket
4	041A5532	Gear Case
5	041A7756-1	Front End Panel
6	041C0279	Light Socket
7	041A7562	Light Lens
8	030B0652	Capacitor
9	041A7767	Motor with Travel Module
10	041D7742-5	Travel Module
11	041D8856	Cover
12	050ACTBLKMC	Receiver Logic Board
13	041D0216-2	Logic Board End Panel
—	041A7814	Wire Harness
—	041A0308	Transformer

Rail Assembly Parts

Ref	Part Number	Description
1	041D3484	Chain - for 7 foot door
1	041D3483	Chain - for 8 foot door
1	041D3485	Chain - for 10 foot door
2	041A2780	Chain Pulley Bracket
3	004A1008	Master link
4	3707CH	One-Piece Rail 7 feet (2.1 m)
4	3708CH	One-Piece Rail 8 feet (2.4 m)
4	3710CH	One-Piece Rail 10 feet (3 m)
5	041A3489	Trolley Assembly
6	109B48	Trolley Threaded Shaft
—	83A11-2	Rail Grease

Installation Parts

Ref	Part Number	Description
1	178B35	Curved door arm
2	41A5047-1	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	29C151	Remote control visor clip
6	041-0399-000	Safety sensor bracket
7	041-0136	Safety sensor kit with receiving and sending sensors with 3 feet (.9 m) 2-conductor wire
8	178B34	Straight door arm
9	041B4494-1	White and red/white wire
10	10A20	3V CR2032 lithium battery
11	041A5281-1	Extension brackets
—	114-5802-000	User's Guide

Accessories

Ref	Part Number	Description
1	880LMW	Smart Control Panel
2	893LM	Remote control