Twenty New Aftermarket Replacement Garage Door Opener Drive Gear and Worm Sets for Craftsman, Chamberlain, LiftMaster and Sears

This listing is for a pack of 20 aftermarket replacement Drive Gear and Worm Sets (41A2817) for residential garage door openers. Each set includes one drive gear, one worm gear, two tension pins, and one grease packet -- everything needed to restore a slipping or stripped gear drive system. Compatible with chain drive and belt drive openers manufactured from 1984 to present for Craftsman (Sears), Chamberlain, LiftMaster, Raynor, Access Master, Garage Master, and Master Mechanic brands.

Kit Contents (per set)

• (1) Drive Gear -- OD: 2-3/4 in., Bore: 1/2 in., 32 Teeth
• (1) Worm Gear
• (2) Tension Pins
• (1) Grease Packet

Compatible Models

Chamberlain / LiftMaster Chain Drive: 140, 150, 240, 350, 450, 550, 985, 1000, 1040, 1045, 1046, 1050, 1055, 1056, 1060, 1100, 1200, 1240R, 1245LK, 1245R, 1246R, 1255R, 1256R, 1260LK, 2100, 2200, 2280, 2565, 2575, 2595, 4000, 4001, 4100, 4200, 5000, 5100, 6200, 7200, 7220, 7420, 100WD, 110WD, 200WD, 210WD, 215WD, 220ED, 300WD, 310WD, 315WD, 320WD, 700WHC, 701WHC, 710WHC, 711WHC, CG40, CG40D, CG42D, PD100, PD200, PD210, PD210D, PD212, PD212D, PD600, PD610, PD610D, PD612K, PD612KLD, PD752, PD758S

Chamberlain / LiftMaster Belt Drive: 1280, 1280R, 2580, 2585, 8100, 8100M, 8200, 9200, WD822KS, WD912KS, WD922K

Craftsman (Sears): 139.18847, 139.18857, 139.53603, 139.53629SRT, 139.53629SRT1, 139.53646, 139.53660, 139.53661SRT1, 139.53673SRT2, 139.53674SRT2, 139.53903DM, 139.53910, 139.53920, 139.53930, 139.53939, 139.53964, 139.53976SRT, 139.53985, 139.53990, 139.53992, 139.184050, 139.18803, 139.18805, 139.18814, 139.18830, 139.18850, 139.18851, 13918315SR, 13918415SR, 13918616SR, 13918847, 13918857, 13918869, 13918880, 13953100, 13953110, 13953200, 13953210, 13953225SRT, 13953300, 13953310, 13953315SR, 13953325, 13953325SRT, 13953400, 13953413, 13953415SR, 13953425, 13953500, 13953513, 13953515SR, 13953525, 13953600, 13953602 and others

Compatible with all 1/3 HP, 1/2 HP, and 3/4 HP chain and belt drive residential garage door openers from 1984 to present.

Replaces Part Number(s):

41A2817, 41A2817-CR, 41A4315, 41A5021, 41C4220, 41C4220A

Aftermarket Interchange Numbers

81B0045, 81B0045-A, 41A2817-A, 41C4220A-A

New aftermarket replacement part - not remanufactured, not used.