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41C4220A Sears Craftsman Liftmaster Gear & Sprocket Assembly Kit | 
 enlarge | Brand: Chamberlain
Category: Home Improvement
Buy New: $23.75
New (10) from $23.75
Rating:  127 reviews
Sales Rank: 99
Media: Misc.
Shipping Weight (lbs): 1.2
Dimensions (in): 6 x 5.8 x 3.7
MPN: 41C4220A
Model: 41C4220A
ASIN: B00023RTD6
Availability: Usually ships in 1-2 business days
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| Features:
| • | 41C4220A | | • | Sears Craftsman Liftmaster Gear & Sprocket Assembly Kit | | • | Chamberlain | | • | 41A2817 |
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| Editorial Reviews:
Product Description
Compatible with fail safe units from Liftmaster, Chamberlain, Craftsman, Sears, Master Mechanic and Wayne Dalton. Compatible with 2245, 2255, 2265, 2265-267, PD210, PD212, PD610, PD612K, 1200 Series, 1240, 1245, 1245-266, 1246, 1250, 1250-266, 1255, 1255-166, 1255-266, 1256, 1260, 1260-166, 1260-266, 1265, 1265-267 and more. Not all models listed.
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| Customer Reviews:
Showing reviews 1-5 of 127
 Like new again March 9, 2010
Steven W. Kellner (Sachse, TX)
I was a bit worried when my garage door opener only made the whirr from the motor spinning but no action from my door moving. I removed the cover to investigate and found a gear had been reduced to white nylon powder and a circle on a shaft. I could move the door freely by hand on the track and was worried of what the greater problem was that caused the gear to disintegrate, but went with a rebuild kit as a a try, well the kit worked great and had clear instructions. I would recommend this kit for anyone with a destroyed nylon gear.
A cheap alternative to replacing the whole GDO March 8, 2010
Scott Chapman
I decided to replace the gears in my opener rather than replace the whole opener under the theory that it could be done more quickly and easily than a wholesale replacement. (My assumption was that a new opener probably would have new mounting points that would require removing and replacing all the rails and brackets.) I'm not 100% sure that's true, but I think it was easier. Removal and replacement of the gears probably took about 90 minutes once the GDO was sitting on my workbench. The instructions in part seem to read like you could do this with the opener still hanging from the ceiling. Maybe, but I don't think that's worth the effort. Two points to watch out for: 1) once you assemble the opener, don't bench test it--if you do it will cycle all the way to the limit switch and when you go to re-install it it won't work until you take the cover off, remove a clip and small worm gear, and manually move the limit switch back to mid-range. Not overly difficult but unnecessary if you just resist the urge to plug the opener in to see if it works. 2) Watch the orientation of the main drive shaft upon re-assembly. It functionally doesn't matter, but there's a plastic guard attaches to 3 points in the top of that drive shaft flange. If it's not oriented correctly, the guard won't sit over the chain. Personally the guard looks unnecessary so I decided I wasn't going to completely disassemble and re-assemble the GDO to fix that!
Overall though, it's not too hard of a repair--there was only one piece that was a friction-fit bushing that was a little fussy to remove.
Saving Money is GREAT!! March 7, 2010
Karen Kowalski (Rixeyville, VA)
Received the parts in just over a week and only took my husband an hour or so to install. The hardest part was trying to get the chain back on then making adjusts to get the door to open and close properly. Highly recommend reading the other reviews as I did to avoid any possible issues.
 Craftsman Liftmaster Gear and Sprocket Assembly Kit March 7, 2010
Kellie Lockwood
Product as described, easy enough to install, I have my garage door working again. Shipped in a timely fashion, well packed, overall good transaction.
It is not an option it does need it if it fails when it does March 2, 2010
Rafael Adrian Quevedo (El Paso, Texas)
These replacement parts are a must so there is not much to say othe that installing it is simple since it only takes like 20 minutes.
I dont know why this part after a few months or a year or so you need to replace it. Depends on the use of the door/motor.
This kit came complete.
Showing reviews 1-5 of 127
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