Liftmaster 41c4220a Gear and Sprocket Kit
The 41C4220A Gear and Sprocket Assembly is the preferred way to "refurbish" your garage door opener as it quickly replaces all of the common wear parts in the opener drive system.
This kit includes all of the 41A2817 Drive / Worm Gear kit, and is easier to install because you do not have to disassemble the output shaft assembly - the spur gear is already mounted on the new output shaft. The 41C4220A assembly also includes the worm gear, and a new bushing under the sprocket which is another common wear item. Fits most chain drive openers manufactured since 1984 by: Liftmaster, Chamberlain, Sears Craftsman, Master Mechanic, and some units from Wayne Dalton. Replaces part 41A2827. Gears are not available for openers manufactured prior to 1984.
Fits these Liftmaster Models: 985, 1240, 1240R, 1245, 1245R, 1245LK, 1250, 1255, 1255R, 1260, 1260LK, 1265, 215WD, 220WD, 315WD, 320WD, 1345, 2245, 2255, 2265, 2565, 3245, 3255, 3265. Do not use for openers with dual sprockets on the output shaft.
Fits these Chamberlain Models: 1100, 1200, 2100, 2200, 4100, 4200, CG40, CG40D, CG42D, PD100, PD200, PD210, PD210D, PD212, PD212D, PD600, PD610, PD610D, PD612KLD, PD612K, 5100, 6200, 7200, 7220, 7320, 7420, 7520D, 4893OD, HD200D. Do not use for openers with dual sprockets on the output shaft.
Note: Also fits openers labeled under various names such as: Sears Craftsman, True Value, Master Mechanic, and some units from Wayne Dalton. Liftmaster also "private labeled" openers for regional suppliers and dealers - usually it is very easy to see that it is a Liftmaster opener with a different name on the cover. Compare your parts to the picture above. 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 (all sizes are approximate)
041C4220A is a complete gear and sprocket replacement kit. This gear and sprocket assembly is compatible with various chain drive garage door openers manufactured after 1993. This complete gear kit includes; helical gear and top hat assembly, worm gear, wear bushings, grease, and hardware needed to replace the chain drive gears. Check the manual for model number before ordering to ensure compatibility
- Compatible with chain drive Chamberlain sears craftsman manufactured operators 1984-current
- Compatible with Chamberlain, Sears, Craftsman and LiftMaster 1/3 and 1/2
HP chain drive model
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