---
product_id: 347051892
title: "Replacement for Liftmaster 41c4220a Gear and Sprocket Kit fits Chamberlain, Sears, Craftsman 1/3 and 1/2 HP Chain Drive Models"
brand: "tck tech"
price: "€ 75.35"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/347051892-replacement-for-liftmaster-41c4220a-gear-and-sprocket-kit-fits-chamberlain
store_origin: NL
region: Netherlands
---

# Precision-engineered gear & sprocket Complete installation tutorial included Proudly made in the USA Replacement for Liftmaster 41c4220a Gear and Sprocket Kit fits Chamberlain, Sears, Craftsman 1/3 and 1/2 HP Chain Drive Models

**Brand:** tck tech
**Price:** € 75.35
**Availability:** ✅ In Stock

## Summary

> ⚙️ Upgrade your garage game with precision and power!

## Quick Answers

- **What is this?** Replacement for Liftmaster 41c4220a Gear and Sprocket Kit fits Chamberlain, Sears, Craftsman 1/3 and 1/2 HP Chain Drive Models by tck tech
- **How much does it cost?** € 75.35 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/347051892-replacement-for-liftmaster-41c4220a-gear-and-sprocket-kit-fits-chamberlain)

## Best For

- tck tech enthusiasts

## Why This Product

- Trusted tck tech brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **DIY Friendly:** Step-by-step installation tutorial ensures you’re back in control fast
- • **All-in-One Kit:** Includes gear, sprocket, worm gear, grease, and bearings for a hassle-free replacement
- • **Made in the USA:** Crafted with precision and quality assurance for peace of mind
- • **Seamless Compatibility:** Fits Chamberlain, Sears, Craftsman & Liftmaster 1/3 & 1/2 HP chain drive models from 1984 to today
- • **Durability You Can Trust:** Heavy-duty components designed to withstand years of reliable garage door operation

## Overview

This TCK TECH replacement kit for Liftmaster 41c4220a includes all essential parts—gear, sprocket, worm gear, grease, and bearings—compatible with 1/3 and 1/2 HP chain drive garage door openers from Chamberlain, Sears, Craftsman, and Liftmaster (1984-current). Proudly made in the USA, it comes with a detailed installation tutorial for a smooth DIY upgrade.

## Description

Replacement for Liftmaster 41c4220a Gear and Sprocket Kit fits Chamberlain, Sears, Craftsman 1/3 and 1/2 HP Chain Drive Models

## Features

- Includes installation tutorial
- Kit Includes: Gear and sprocket, worm gear, grease, motor shaft bearings, sprocket bearings
- Compatible with chain drive chamberlain sears craftsman operators 1984-current
- Compatible with chamberlain, sears, craftsman and lift master 1/3 and 1/2 HP chain drive models, replacement parts

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | TCK TECH |
| Country of Origin | USA |
| Item model number | 54101-212542AT |
| Package Dimensions | 15.39 x 11.61 x 11.51 cm; 481 g |
| ASIN | B07H4XYNPS |

## Images

![Replacement for Liftmaster 41c4220a Gear and Sprocket Kit fits Chamberlain, Sears, Craftsman 1/3 and 1/2 HP Chain Drive Models - Image 1](https://m.media-amazon.com/images/I/71wSbXn2bQL.jpg)

## Questions & Answers

**Q: 41ac050-1 will this work?**
A: The part # you are giving is the main board. The sprocket does have a separate part#. You're better off getting the kit in case other parts are broken that you didn't know about. Anyway, the kit doesn't cost much more than just the sprocket. This is used in multiple door openers, very common.

**Q: Does this work for model 139.54985**
A: read on the website OR it fits Chamberlain, Sears, Craftsman 1/3 and 1/2 HP Chain Drive Models

**Q: Will this kit work with a linear ldo50 garrage door opener?**
A: No it won't Liftmaster/Chamberlain are different manufacturer than the LDO50 which is made by Linear

**Q: I have this craftsman motor, and my gear assy is the same, but..mine is belt, not chain. can i just swap the sprocket out ?**
A: I dont think you can the gear and sprocket is one assembly your top is for chain drive not belt it won't come apart from what I saw with my repair.

## Frequently Bought Together

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-28*