---
product_id: 508008997
title: "Drive Gear 81B0045 for Liftmaster Chamberlain Craftsman Sears Garage Door Opener 41A2817 41C4220A"
brand: "kbz"
price: "A$40"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/508008997-drive-gear-81b0045-for-liftmaster-chamberlain-craftsman-sears-garage-door
store_origin: AU
region: Australia
---

# OD: 2 3/4" Teeth Count: 32 Drive Gear Bore: 1/2" Drive Gear 81B0045 for Liftmaster Chamberlain Craftsman Sears Garage Door Opener 41A2817 41C4220A

**Brand:** kbz
**Price:** A$40
**Availability:** ✅ In Stock

## Summary

> 🔧 Gear Up for Smooth Operations!

## Quick Answers

- **What is this?** Drive Gear 81B0045 for Liftmaster Chamberlain Craftsman Sears Garage Door Opener 41A2817 41C4220A by kbz
- **How much does it cost?** A$40 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/508008997-drive-gear-81b0045-for-liftmaster-chamberlain-craftsman-sears-garage-door)

## Best For

- kbz enthusiasts

## Why This Product

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

## Key Features

- • **🔒 Durable Design:** Engineered for longevity, ensuring reliable performance for years.
- • **📦 Complete Package:** Includes everything you need for a hassle-free replacement.
- • **⚡ Quick Installation:** Get your garage door back in action with minimal downtime.
- • **🌟 Lightweight Efficiency:** Weighing only 41g, it’s easy to handle and install.
- • **🔧 Universal Compatibility:** Seamlessly fits all major brands including LiftMaster, Chamberlain, and Craftsman.

## Overview

The Drive Gear 81B0045 is a high-quality replacement part designed for various garage door opener models, ensuring compatibility with brands like LiftMaster, Chamberlain, and Craftsman. With a bore size of 1/2", an outside diameter of 2 3/4", and 32 teeth, this durable gear promises quick installation and long-lasting performance, making it an essential component for maintaining your garage door's functionality.

## Description

Drive Gear 81B0045 for Liftmaster Chamberlain Craftsman Sears Garage Door Opener 41A2817 41C4220A

## Features

- (1pack)drive gear replace part number 81B0045, 41A2817, 41A5021, 41C4220A.
- Compatible With All Chamberlain, Sears ,Liftmaster , Craftsman and Raynor Residential Garage Door Openers.
- Drive Gear Bore Size: 1/2" , Drive Gear Outside Diameter: 2 3/4" , Drive Gear Number of Teeth: 32.
- Compatible LiftMaster, Chamberlain CHAIN DRIVE garage door opener models: 1040, 1045, 1046, 1050, 1055, 1056, 1060, 100WD, 200WD, 300WD, 110WD, 210WD, 310WD, 1260LK, 1245LK, 215WD, 220ED, 315WD, 320WD, 1240R, 1245R, 1246R, 1255R, 1256R, 985, 2565, 2575, 2595, 140, 150, 240, 350, 450, 550, 700WHC, 701WHC, 1000, 2000, 4000, 4001, 5000, 710WHC, 711WHC, 1100, 2100, 4100, 5100, 7200, 1200, 2200, 4200, 6200, 7220, CG40, 7420, PD752, PD758S.
- Fits For 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | KBZ |
| Part Number | 81B0045 |
| Product Dimensions | 3.81 x 3.81 x 1.27 cm; 41 g |
| Item model number | 81B0045 |
| Colour | White |
| Included Components | 1pack drive gear |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 41 g |

## Images

![Drive Gear 81B0045 for Liftmaster Chamberlain Craftsman Sears Garage Door Opener 41A2817 41C4220A - Image 1](https://m.media-amazon.com/images/I/51XaNLHhfWL.jpg)

## Frequently Bought Together

- Drive Gear 81B0045 for Liftmaster Chamberlain Craftsman Sears Garage Door Opener 41A2817 41C4220A
- Replacement for Liftmaster 41c4220a Gear and Sprocket Kit fits Chamberlain, Sears, Craftsman 1/3 and 1/2 HP Chain Drive Models
- HIMARKLIF Upgrade Aluminum Alloy Drive and Worm Gear Kit Compatible with LiftMaster Craftsman Chamberlain Master Mechanic Garage Master Door Opener Access System Replace# 41A2817 41C4220 41C4220A

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**Shop now:** [https://www.desertcart.com.au/products/508008997-drive-gear-81b0045-for-liftmaster-chamberlain-craftsman-sears-garage-door](https://www.desertcart.com.au/products/508008997-drive-gear-81b0045-for-liftmaster-chamberlain-craftsman-sears-garage-door)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-19*