---
product_id: 18673071
title: "LIFTMASTER Garage Door Openers 41B3869-3 Belt Drive Trolley"
brand: "liftmaster"
price: "€ 99.86"
currency: EUR
in_stock: true
reviews_count: 8
category: "Lift Master"
url: https://www.desertcart.fi/products/18673071-liftmaster-garage-door-openers-41b3869-3-belt-drive-trolley
store_origin: FI
region: Finland
---

# Compact dimensions 0.39 in Compatible with multiple models Lightweight at 4.6 oz LIFTMASTER Garage Door Openers 41B3869-3 Belt Drive Trolley

**Brand:** liftmaster
**Price:** € 99.86
**Availability:** ✅ In Stock

## Summary

> 🚪 Unlock Convenience with Every Lift!

## Quick Answers

- **What is this?** LIFTMASTER Garage Door Openers 41B3869-3 Belt Drive Trolley by liftmaster
- **How much does it cost?** € 99.86 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/18673071-liftmaster-garage-door-openers-41b3869-3-belt-drive-trolley)

## Best For

- liftmaster enthusiasts

## Why This Product

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

## Key Features

- • **Light as a Feather:** Weighing only 4.6 ounces, it’s easy to handle and install.
- • **Durable Performance:** Built to last, ensuring your garage door operates smoothly for years.
- • **Space-Saving Design:** Compact dimensions ensure it fits in tight spaces without hassle.
- • **Effortless Installation:** Screw-in method makes setup a breeze, no special tools required.
- • **Universal Compatibility:** Seamlessly fits LiftMaster and Chamberlain models from 1984 to present.

## Overview

The LIFTMASTER Garage Door Openers 41B3869-3 Belt Drive Trolley is a lightweight, durable component designed for seamless compatibility with a wide range of LiftMaster and Chamberlain garage door opener models from 1984 to the present. Its compact design and easy screw-in installation make it a practical choice for any homeowner looking to enhance their garage door system.

## Description

041B3869-3A is a Belt Drive Trolley Replacement Kit. For use with various LiftMaster and Chamberlain Belt Drive Garage Door Openers and Residential Access Solutions. Check the owner's manual or replacement parts diagram for specific part information before ordering to ensure compatibility.

Review: Great replacement - Worked great and fit perfectly!
Review: Well made and easy to install - Item arrived well packaged with all the hardware needed for the installation. Fit was good and installation was easy. Hint, go to YouTube to find illustrative instructions will help your install if you are not the handy type. Simple tools needed to install and will save you money as you won't have to pay a professional to fix your door. As compare to tension spring, this is an easier repair. Use a clamp to hold the belt or chain in place throughout your repair so you don't have to reset upper/lower limits of the opener when you are done.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | LiftMaster |
| Color | Silver |
| Exterior Finish | Stainless Steel |
| Installation Type | Screw-In |
| Item Weight | 0.13 Kilograms |
| Material | Metal |

## Product Details

- **Brand:** LiftMaster
- **Color:** Silver
- **Exterior Finish:** Stainless Steel
- **Item Weight:** 0.13 Kilograms
- **Installation Type:** Screw-In

## Images

![LIFTMASTER Garage Door Openers 41B3869-3 Belt Drive Trolley - Image 1](https://m.media-amazon.com/images/I/51l88sT3nsL.jpg)

## Questions & Answers

**Q: what is the difference between the 41B3689-3 and the 41B3689-1?**
A: From a service bulletin:LiftMaster has recently released a new trolley kit for belt drive systems that are experiencing a twisting belt condition.  The kit includes a trolley with a "D" shaped hole and matching threaded rod that prevents the trolley threaded shaft and belt from twisting.  All new belt drive systems manufactured after 3/1/07 will include this new trolley kit.If you have a product currently in the field that is experiencing a twisting belt condition, please contact our Technical Support Center at (800) 528-6563 for replacement trolley kit part # 41B3869-3.

**Q: Is there a video anywhere showing how to replace the trolley on T rail belt drives?**
A: You tube has videos.

**Q: Does it include inside and outside trolley pieces, adjustment screw,chain connection, tensioner and all hardware? Thanks**
A: Hi,Yes.  All related parts. Kevin

**Q: is this a replace trolley for the Aviator 3280RGD model**
A: If your Aviator is a belt unit then this is the correct trolley.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great replacement
*by K***N on March 4, 2025*

Worked great and fit perfectly!

### ⭐⭐⭐⭐⭐ Well made and easy to install
*by Q***3 on April 30, 2019*

Item arrived well packaged with all the hardware needed for the installation. Fit was good and installation was easy. Hint, go to YouTube to find illustrative instructions will help your install if you are not the handy type. Simple tools needed to install and will save you money as you won't have to pay a professional to fix your door. As compare to tension spring, this is an easier repair. Use a clamp to hold the belt or chain in place throughout your repair so you don't have to reset upper/lower limits of the opener when you are done.

### ⭐⭐⭐⭐⭐ Worked Perfectly
*by M***S on August 19, 2023*

Easy to install. Same as original part. Excellent.

## Frequently Bought Together

- LIFTMASTER Garage Door Openers 41B3869-3 Belt Drive Trolley
- Lubriplate Multi-Purpose Grease for Gate or Garage Door Openers LBR-S
- 3-IN-ONE Garage Door Lubricant with SMART STRAW SPRAYS 2 WAYS, 11 OZ

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**Shop now:** [https://www.desertcart.fi/products/18673071-liftmaster-garage-door-openers-41b3869-3-belt-drive-trolley](https://www.desertcart.fi/products/18673071-liftmaster-garage-door-openers-41b3869-3-belt-drive-trolley)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-03*