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Technical
- After market heavy duty replacement main gear is for all Chamberlain Group chain and belt drive openers manufactured from 1984 to the present. This replacement part is compatible with the following garage door openers: Lift-Master, Sears Craftsman, Chamberlain, Master Mechanic, Garage Master and Wayne Dalton
- Technical:
- The Large Gear is 2 3/4" x 1/2" wide, with a 1/2" bore.
- Compatibility:
- Works with the following chain drive garage door openers manufactuered 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:
- Main drive gear and grease.
- Miscellaneous:
- If you need or wish to also replace the sprocket and shaft please part number 41C4220A or 41C4220A-CR.
- Shipping & Availability:
- Normally item will ship within 24-hours
Recommended Tool
If you are looking for a tool to easily remove the spring pin holding the gear in place be sure to check the option above to add the 5/32" roll pin tool. It is the best tool to easily remove the pin without damage. It also reduces the chance for injury when driving out the gear with improper tools. Reminder to always wear safety glasses when using
Overview video on how to change out gear
striking tools.
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