Gear Kit 41C4220 [041C4220A]

(50 reviews)
SKU:
41C4220
Availability:
In Stock

Product Price: $61.93
UPC:
12381009985
Condition:
New
Gear Kit 41C4220 [041C4220A]

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LiftMaster 41C4220A / 41C4220 Chain Drive Gear & Sprocket Kit (1993-Present)

The LiftMaster 41C4220A (also known as 41C4220) is the complete official replacement gear and sprocket kit for all LiftMaster, Chamberlain, and Sears-Craftsman chain drive garage door openers manufactured after 1993. Perfect for fixing common issues like grinding noises, stripped gears, slow operation, or complete failure.

This kit restores smooth, quiet performance and is the exact OEM-equivalent part used by professionals and DIYers alike.

What's Included in the 41C4220A Gear Kit

  • Helical gear and top hat assembly
  • Worm gear
  • Wear bushings
  • Metal drive sprocket
  • Grease packet and all necessary hardware

Compatible Models

Fits all post-1993 LiftMaster, Chamberlain, and Sears-Craftsman chain drive garage door openers (1/3 HP and 1/2 HP models). Also compatible with many Craftsman, Master Mechanic, and Garage Master chain-drive units from the same era.

Note: This kit is designed exclusively for chain-drive models manufactured after 1993. It will not fit belt-drive, screw-drive, or pre-1993 openers.

Easy DIY Installation

Replacing the gears is a straightforward job that most homeowners can complete in under an hour with basic tools. No special skills required!

Watch the Step-by-Step Instructional Video:
▶ How to Install the LiftMaster 41C4220 Gear Kit (Video)

Download Official 41C4220 Installation Instructions (PDF)

Why Replace Your Gears with the 41C4220A Kit?

  • Stops loud grinding or screeching noises
  • Restores full speed and power to your opener
  • Prevents further damage to the motor and chain
  • Far cheaper than buying a new garage door opener
  • Exact OEM-quality parts for long-lasting reliability
  • Includes everything you need – no extra trips to the store

Product Summary

LiftMaster 41C4220A / 41C4220 Gear & Sprocket Kit – the complete replacement solution for chain drive garage door openers (1993 to present). Compatible with LiftMaster, Chamberlain, Sears-Craftsman, and more. Comes with full instructions and an easy-to-follow installation video.

 

50 Reviews Hide Reviews Show Reviews

  • 5
    Garage door opener gear kit

    Posted by Art Bleyenburg on Jun 6th 2012

    Service was fast and excellent! I will certainly order from gatehouse supplies again if it becomes necessary.

  • 5
    Good Deal

    Posted by noel stanley on May 24th 2012

    Arrived the next day and installed easily. Would recommend!

  • 5
    Gear Kit 41C4220

    Posted by Jonathan Strausburg on May 16th 2012

    I sent along pictures of my nonfunctioning garage door opener. Gatehouse guided me to purchasing the "Gear Kit 41C4220". Shipping was fast, and the kit installed easily using the video provided on the Gatehouse website. Excellent parts and service! Thanks!

  • 5
    Exactly What I Ordered

    Posted by John Hanley on May 8th 2012

    I received the parts for my garage door opener today and wanted to tell you many thanks. Your instructional video was perfect and well thought out and things went together like a dream. My garage door opener is working better than new.

    Timely service and exactly as promised! Great service.

    Many thanks again!

  • 5
    Feedback

    Posted by Eric Kiely on Apr 28th 2012

    great service and fast delivery. Instructions were vary clear

  • 5
    Gear Kit 41C4220

    Posted by Martin Deye on Apr 6th 2012

    reasonable price, good service

  • 5
    Lift Master Garage Door Openner repair

    Posted by Tod Deysher on Apr 4th 2012

    The kit worked perfect and the online instructional video made the job go very easy.

  • 5
    Garage Door Opener Part

    Posted by daniel rittatore on Mar 31st 2012

    the part came in fast and the customer service was excellent making this a wonderful experience. thank you for your professionalism and knowledge.
    Daniel

  • 5
    Gear Kit 41C4220

    Posted by Godwin Zhang on Mar 13th 2012

    Fast shipment!

  • 5
    Easy to do

    Posted by Mark in St. Louis on Mar 10th 2012

    Repair went very smoothly. I did it with the motor still mounted. It helps to have a helper but not necessary.

  • 5
    Garage door opener part

    Posted by Kay Eavenson on Mar 9th 2012

    Couldn't have been better. Ordering was so easy and the rep was extremely helpful. Very quick delivery. Loved the video showing how to install the part. Couldn't have done it without watching the video. Installation was very easy and smooth. Thank you so much.

  • 5
    replacement parts

    Posted by The fix it Man! on Mar 7th 2012

    good job on the parts . got there in a timely manor , to get the job done.

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