This Gear and Sprocket Assembly Kit 41A4885-5 is an original equipment replacement part for Chamberlain and LiftmasterBelt Drive gear & sprocket assembly for models 2280 & 2580.  

Part no. 41A4885-5.

NEW STYLE BELT

• 41A4885-5 Gear and sprocket assembly (Gear and Pulley set)
• For use on Belt Drive openers made by Chamberlain, Liftmaster, Sears Craftsman 2001 and newer.
• 41A4885-5 kit includes drive gear and worm gear, helical gear with retainer, grease, roll pins, bearing plate, thrust washer, retaining ring, spring washer.
•  The belt sprocket (pulley) on this 41A4885-5 has a 14 cogs (ridges). If you have 9 cogs you need 41A4885-2

Compatible with the following models:

• 2280
• 2580
• 2585
• WD822K
• WD922K
• WD912KS
• WD822KS
• WD3280
• 3580
• 3585
• 8557