Technical:
Original manufacturer's replacement part, model #41A2817. The Large Gear is 2 3/4" x 1/2" wide, with a 1/2" bore. The worm gear is 1 1/8" OD, and the teeth are 1 1/4" wide (sizes are approximate).
Order part number PIN532 if you do not have a roll pin punch to remove the spring pins holding the gear in place, This tool helps remove the pins without damage and also reduces the risk of injury.
If you are in need of replacing the entire drive shaft and gear see our part number 41C4220ACR.
Order part number PIN532 if you do not have a roll pin punch to remove the spring pins holding the gear in place, This tool helps remove the pins without damage and also reduces the risk of injury. This tool can be found under tools of the trade.
Compatibility:
Works with the following chain drive garage door openers manufactured from 1984 to present day. Sears, Craftsman, Garage Master and Master Mechanic. Fits these Chamberlain Models: 1100, 1200, 2100, 2200, 4100, 4200, 4893OD, 5100, 6200, 710WHC, 711WHC, 7200, 7220, 7320, 7420, 7520D, 8100, 8100M, 8200, 9200, CG40, CG40D, CG42D, CSO, HD200D, HD600, PD100, PD200, PD210, PD210D, PD212, PD212D, PD600, PD610, PD610D, PD612K, PD612KLD, PD752, PD752D, PD758D, PD758S, WD822K, WD822KD, WD822KS, WD912K, WD912KS, WD922K. Fits these Liftmaster Models: 985, 1240, 1240R, 1245, 1245R, 1245LK, 1246, 1246R, 1250, 1255, 1255R, 1256, 1256R, 1260, 1260LK, 1265, 1270, 1280, 1280R, 1345, 1346, 1356, 215WD, 220WD, 2245, 2255, 2265, 2565, 2280, 2575, 2580, 2585, 2595, 315WD, 320WD, 3245, 3255, 3265, 3280, 3575, 3585, 3595, ATS211, ATS211R, ATS211X, ATS2113X
Includes:
Worm and Drive gears, replacement bushings, pins and lubricant. Installation instructions.
Miscellaneous:
If you need or wish to also replace the sprocket and shaft please part number 41C4220A.
For main gear only, look at part #41A2817-CR.
Shipping & Availability:
Normally item will ship within 24-hours
Part Manufacturer : Liftmaster
Pro Door Category : Gears and sprockets
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