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Features
- Compatible with ALL fail safe units from Liftmaster, Chamberlain, Sears Craftsman, Master Mechanic and Wayne Dalton. REPLACEMENT GEARS FOR LIFTMASTER CRAFTSMAN CHAMBERLAIN GARAGE DOOR OPENER MODELS MANUFACTURED PRIOR TO 1984 ARE NO LONGER AVAILABLE.
- Includes: main gear, plastic worm wheel, Lubriplate grease and all necessary washers and hardware. Original manufacturer's replacement part, model #41A2817 (View Instructions). 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). If you want to replace the main drive and worm gears along with the socket, you will need our part number 41C4220A (for chain drive openers only). If you have a belt drive unit, you will need to use either our part number 41A4885-2 or 41A4885-5.
- Compatible with Liftmaster garage door opener models: 1345, 1355, 3245, 3255, 3265, 2565, 3575, 3595, 2575, 2595, 1140, 1145, 1146, 1150, 1155, 1156, 1160, 1200 Series, 1240, 1245, 1245-266, 1246, 1250, 1250-266, 1255, 1255-166, 1255-266, 1256, 1260, 1260-166, 1260-266, 1265, 1265-267, 1270, 2245, 2255, 2265, 2265-267, 2280, 2280-267, 2280-976, 2580, PD210, PD212, PD610, PD612K, ATS211R, ATS211, WD822K, 140, 150, 240, 350, 450, 550, 1000, 1100, 1200, 2000, 2100, 2200, 4000, 4001, 4100, 4200, 5000, 5100, 6200, 700WHC, 701WHC, 710WHC, 711WHC, 7200, 7220, CG40, PD752, PD758S, PD752D, PD758D and 7420.
- Compatible with Raynor garage door opener models: 2245RGD, 2265RGD, 2280RGD, 2585RGD and 2595RGD.
- Compatible with Chamberlain garage door opener 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 and WD922K.
- Compatible with most all Sears Craftsman garage door openers (both chain and belt drives) manufactured from 1984 - present, that include models: 139.53990, 139.53914, 139.53985, 139.53930, 139.53635, 139.53964, 139.53660, 139.53920, 139.53939, 139.184051, 139.18803, 139.18805, 139.18814, 139.18830, 139.18850, 139.18851 and 139.53674SRT2. Not all models are listed listed here. If you don't see your Sears Craftsman garage door opener model listed here, please click here for our Sears Craftsman Garage Door Opener Gear Compatibility Chart. If you still don't see your model listed here, please email us and we will let you know which gear is compatible with your opener.
- If you only need the main (large) gear, we offer a high-quality, low-cost after-market replacement heavy duty gear that is compatible with all of the models listed here. Click here for part number 41A2817-CR Liftmaster Sears Craftsman Garage Door Opener Replacement White Main Gear.
Click here to read our How To Article on replacing your garage door gear.
Click here for a FREE download of the Installation Instructions for the Sears Craftsman Liftmaster 41A2817 Gear Replacement kit.
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How To Articles
