Part Number: 41C4220A



The Sears Craftsman Liftmaster 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 Replacement Gear and Sprocket assembly is for ALL 1984-current garage door chain operated openers.

Repair gear sets for openers made before 1984 are no longer available.

41C4220A may differ in appearance, but is a functional equivalent to prior parts including 41C4220.

If you just need the main gear and sprocket assembly, please see part 41A4220ACR. Or, if you just need to replace the main gear, please see part 1A2817-CR.

Compatible with ALL fail safe units from Liftmaster, Chamberlain, Craftsman, Sears, Master Mechanic and Wayne Dalton.

Includes: main gear, metal sprocket assembly, plastic worm wheel and Lubriplate grease.

Original manufacturer replacement part #41C4220A.

Compatible with LiftMaster garage door opener LM models: 1040, 1045,1050, 1055, 1060, 100WD, 200WD, 300 WD, 1140, 1145, 1150, 1155, 1160, 110WD, 210WD, 310WD, 1240, 1245, , 1250, 1255, 1256, 1260, 1260LK, 1245LK, 215WD, 220ED, 315WD, 320WD, 1240R, 1245R, 1255R, 1265, 985, 2265, 2565, 2245, 2255, 140, 150, 240, 350, 450, 550, 700WHC, 1000, 2000, 4000, 5000, 710WHC, 1100, 2100, 4100, 5100, 7200, 1200, 2200, 4200, 6200, 7220, CG40, PD210, PD610, PD612K and 7420. Not all models listed. NOT for opener models 2575, 2595, PD752 and PD758S.

Compatible with most all Sears Craftsman chain drive models: 139.18802, 139.18805, 139.18814, 139.18830, 139.18850, 139.18851, 139.53603, 139.53629SRT, 139.53629SRT1, 139.53962SRT, 139.53674SRT2 and 139.53962SRT1. 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 aftermarket 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.

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