Home > Sears Craftsman >

Sears Craftsman 81B0045 Garage Door Opener Gear
Liftmaster Sears Craftsman Garage Door Opener Replacement White Main Gear 41A2817-WG
Sears Craftsman Garage Door Opener Replacement Main Gear 81B0045 - The low-cost way to "refurbish" your garage door opener
 
For a limited time only, we are offering FREE grease with the purchase of this gear! This is a savings of $2.49! You need to act quickly as this offer is only good for a limited time. No need to add the grease to the cart. We will ship it with your order.
List Price:$18.95
Our Price:$8.95



Free Shipping
Availability: In Stock & Ships in 1 Business Day
Product Code: 81B0045-WG


Options:


Qty:  
Description Technical Specs
 
Sears Craftsman Garage Door Opener Replacement White Main Gear 81B0045.
Features
Sears Craftsman Liftmaster heavy duty after market main drive gear replacement kit part 41A2817-WG is for all Chamberlain Group chain and belt drive openers manufactured from 1984 to present. If you don't need the sprocket assembly, this is the most economical way to "refurbish" your garage door opener as this is the most common wear part in the opener drive system.

This gear is the direct replacement part for the following garage door openers: Lift-Master, Sears Craftsman, Chamberlain, Master Mechanic and Garage Master. This is just one of many of our Sears Craftsman Liftmaster garage door parts that we have in stock and ready to ship. For a complete selection of Sears Craftsman Liftmaster garage door replacement parts, please select the Liftmaster or Sears Craftsman category at the left.


Technical: The Large Gear has 32 teeth and is 2 3/4" x 1/2" wide, with a 1/2" bore (sizes are approximate). You MUST apply a low temperature lithium grease (NOT included) to each tooth of the new gear or it will shred within days.

Compatibility
Works with ALL 1/3 HP, 1/2 HP and 3/4 HP chain and belt drive garage door openers manufactured from 1984 to the present for these manufacturers: LiftMaster, Sears Craftsman, Chamberlain, Garage Master, Master Mechanic and Wayne Dalton. REPLACEMENT GEARS FOR LIFTMASTER CRAFTSMAN CHAMBERLAIN GARAGE DOOR OPENER MODELS MANUFACTURED PRIOR TO 1984 ARE NO LONGER AVAILABLE.

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. Raynor Navigator 2245RGD, Ultra 2595RGD, Endeavor 2585RGD, Aviator 2280RGD, Pilot 2265RGD. Also used for Wayne Dalton opener models 100 to 320.

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 and ATS2113X.

Fits these Sears Craftsman models: 139.53990, 139.53992, 139.53914, 139.53985, 139.53930, 139.5365, 139.53964, 139.53646, 139.53660, 139.53920, 139.53939, 139.184050, 139.18803, 139.18805, 139.18814, 139.18830, 139.53603, 139.53629SRT, 139.53629SRT1, 139.53674SRT2, 139.18850 and 139.18851. Only the most common models are listed here are 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.

Includes: Replacement heavy duty main drive gear ONLY (grease/lubricant is NOT included) - you can add grease from the options drop down menu above.

Miscellaneous: If you need or wish to also replace the sprocket and shaft, please see part number 41C4220A. If you wish to also purchase the lubricant that you will need for this gear, please see part number 41A2817-CR.

Click here to read our How To Article on replacing your garage door opener gear

Tools: 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.

Customers who purchased this also purchased...
Multi-purpose Garage Door Opener Gear Grease Roll Pin Punch for Garage Door Opener Gear Replacement Lubriplate AERO 1.75 oz. Multi-purpose Low Temp Garage Door Grease Liftmaster 41A2780 Chain Pulley Bracket
Our Price:$7.36

Add
Our Price:$20.50

Add
Our Price:$20.67

Add
Our Price:$65.02

Add
Multi-purpose Garage Door Opener Gear Grease Roll Pin Punch for Garage Door Opener Gear Replacement Lubriplate Aero - 1.75 oz. tube grease for garage door opener Liftmaster 41A2780 Chain Pulley Bracket
LiftMaster 78LM Multi-Function Garage Wall Control Panel Garage Door Opener Main Gear Master Helper
Our Price:$49.95

Add
Our Price:$64.16

Add
LiftMaster 78LM garage door control panel Garage Door Opener Gear Change Helper

Average Customer Review: Average Customer Review: 5 of 5 5 of 5 Total Reviews: 83 Write a review.

  64 of 64 people found the following review helpful:
 
5 of 5 Garage door parts July 12, 2023
Reviewer: Anonymous Person from Oak Ridge, NJ United States  
Excellent service.Very fast shipping and the parts were exactly what I ordered and fit perfectly.. Would certainly buy again.  Thank you.

Was this review helpful to you?

  16 of 20 people found the following review helpful:
 
4 of 5 Sears Craftsman 81B0045 Garage Door Opener Gear April 2, 2023
Reviewer: Anonymous Person from Grosse Pointe Woods, MI United States  
Exact replacement part, works well.
The only problem is that it took a long time to receive the part, in fact it was three days late arriving from promised ship date.

Was this review helpful to you?

  46 of 46 people found the following review helpful:
 
5 of 5 Garage door working again April 2, 2023
Reviewer: Frankie from CA, United States  
Ordered this plastic gear after the old gear went out and my garage door opener stopped working. I went ahead and purchased the helper tool also which I'm glad I did. It made swapping the gears pretty easy. First time ordering from this place.  Overall good experience, no complaints.

Was this review helpful to you?

  16 of 16 people found the following review helpful:
 
5 of 5 2 words April 2, 2023
Reviewer: Christopher Geoffrey from Clarksburg, MA United States  
It's Perfect.

Was this review helpful to you?

  17 of 17 people found the following review helpful:
 
5 of 5 Great service! January 20, 2020
Reviewer: John Crosby from Peabody, MA United States  
Got my parts super quick at a great price and fixed my garage door! Very happy, Thanks Stardoor!

Was this review helpful to you?

View All Customer Reviews

Browse for more products in the same category as this item:

Sears Craftsman
Gears & Gear Kits
Sears Craftsman > Gears and Sprockets