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Liftmaster replacement main gear kit part number 41A2817
Liftmaster Sears Craftsman replacement gear kit
Sears Craftsman door opener parts

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Our Low Price: $23.99

Availability:: Usually Ships in 24 Hours
Product Code: 41A2817

Roll Pin Punch

5/32" Roll Pin Punch [Add $4.99]This tool is recommended to remove the pins holding the gear in place.

Liftmaster replacement main gear kit part number 41A2817
Liftmaster Drive gear replacement kit 41A2817 is for all Chamberlain Group chain and belt drive openers manufactured from 1984 to the present. This is the manufacturer original equipment replacement part for the following garage door openers: Lift-Master, Sears Craftsman, Chamberlain, Master Mechanic, Garage Master. Works with the following chain drive garage door openers manufactuered from 1984 to present day. Sears, Craftsman, Garage Master and Master Mechanic. Fits these Chamberlain 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, WD922K. Fits these Liftmaster Models: 985, 1240, 1240R, 1245, 1245R, 1245LK, 1246, 1246R, 1250, 1255, 1255R, 1256, 1256R, 1260, 1260LK, 1265, 1270, 1280, 1280R, 1345, 1346, 1356, 215WD, 220WD, 2245, 2255, 2265, 2565, 2280, 2575, 2580, 2585, 2595, 315WD, 320WD, 3245, 3255, 3265, 3280, 3575, 3585, 3595, ATS211, ATS211R, ATS211X, ATS2113X Original manufactuer's replacement part, model #41A2817. 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).

Compatible with these European Models: Motorlift 1000/2000/4000 / Sezam 100/200, LIFTMASTER/GAROG : 3750e, 4210e, 4410e, Pro8000, MOTORLIFT : 1000/2000/4000 / Sezam 100/200 SIMINOR : PRO 400
If you are looking for a low price alternative and only need the main gear see our part number 41A2817-CR after market heavy duty gear.

Recommended Tool
If you are looking for the tool to easily remove the spring pin holding the gear in place be sure to check the option above to add the 5/32" roll pin tool. It is the best tool to easily remove the pin without damage. It also reduces the chance for injury when driving out the gear with improper tools. Reminder to always wear safety glasses when using striking tools.

How to change out gear video

Average Customer Review: Average Customer Review: 5 of 5 5 of 5 Total Reviews: 15 Write a review.

  0 of 0 people found the following review helpful:
4 of 5 Door opener gear May 10, 2016
Reviewer: John Harrell from Chesterfeild, VA United States  
Except for my own clumsyness, worked well and the parts very reasonable.  I would suggest a good diagram of where each part goes as I had to replace the top bushing also.  After putting in in realized I had put the bushing wrong and had to take it part again.  Also how tight to have the chain or belt.  Happy now

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  0 of 0 people found the following review helpful:
5 of 5 Garage door opener gear replacement July 14, 2014
Reviewer: Jeff Price from Germantown, MD United States  
Website was easy to use. parts worked as indicated. Part arrived when expected.

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  0 of 0 people found the following review helpful:
5 of 5 I'm a mechanic/retiree/renter/d.i.y. May 21, 2014
Reviewer: Mark M. from N.M.  
The parts were affordable: came quickly: included everything necessary: instructions were vague only because they didn't specify use of included grease i.e.., how much and where.
I'm real pleased and would order from this company again!

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  0 of 0 people found the following review helpful:
5 of 5 Item April 21, 2014
Reviewer: carlos martinez from caguas, caguas Puerto Rico  
Good item and very good support

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  0 of 0 people found the following review helpful:
5 of 5 Craftsman gear March 13, 2014
Reviewer: Paul B. from Enfield, CT United States  
Door-Parts.com was a great site to order from.  I found the part I needed within 30 seconds on the web-site, placed my order at 11:00 on a Saturday night, and Tuesday when I got home from work the parts were in my mailbox.  And that was with the cheapest shipping option.

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