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Garage Door Opener Gear


If your garage door opener runs when you press the button, but the door won’t open, this is likely the part that needs replacing.
* Drive Gear Bore Size: 1/2″
* Drive Gear Outside Diameter: 2 3/4″
* Drive Gear Number of Teeth: 32
Our garage door opener gear part of kit 41A2817 41C4220A is compatible with chain drive and belt drive operators since 1984 – Current including the following: Liftmaster, Craftsman, Chamberlain, Sears, Garage master, Access master, Master Mechanic, Security +, Estate series, Raynor, Formula I, Whisper drive, Power Drive, Billion Code and others garage door opener models.

Download Replace 41A2817

Instructions Manual


Replacement gears for Liftmaster, Craftsman, Chamberlain, garage door opener models manufactured prior to 1984 are no longer available.

Compatible With

Belt Drive Garage Door Opener

Compatible with these LiftMaster, Chamberlain BELT DRIVE models: 1280, 1280R, 2580, 2585, 8100, 8100M, 8200, 9200, WD922K, WD912KS, WD822KS

Teeth Of The Drive Gear

The teeth of the drive gear must be coated with a low temperature lithium-based grease prior to operating your door opener or the gear will quickly shred. The drive gear is designed as a sacrificial part and will shred when ever unusual stress or strain is placed on the door or opener.

Chain Drive Garage Door Opener

Compatible with LiftMaster, Chamberlain CHAIN DRIVE garage door opener models: 1040, 1045, 1046, 1050, 1055, 1056, 1060, 100WD, 200WD, 300WD, 110WD, 210WD, 310WD, 1260LK, 1245LK, 215WD, 220ED, 315WD, 320WD, 1240R, 1245R, 1246R, 1255R, 1256R, 985, 2565, 2575, 2595, 140, 150, 240, 350, 450, 550, 700WHC, 701WHC, 1000, 2000, 4000, 4001, 5000, 710WHC, 711WHC, 1100, 2100, 4100, 5100, 7200, 1200, 2200, 4200, 6200, 7220, CG40, 7420, PD752, PD758S.


How to Find Your Opener Model Number

Diagram that shows how to find your opener model number – Click Here

Chamberlain Manuals (with parts diagrams)

Download Chamberlain Manuals (with parts diagrams) – Click Here

Liftmaster Manuals (with parts diagrams)

Download Liftmaster Manuals (with parts diagrams) – Click Here

Replace 41A2817 Instructions Manual

Download Replace 41A2817 Instructions Manual – Click Here

Gear Replacement Instructions step by step with Pictures

Check our Gear Replacement Instructions step by step with Pictures – Click Here

Compatible With

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