---
product_id: 53165679
title: "CHAMBERLAIN G8808CB-P 8808CB 8-Foot Garage Door Opener Kit, Compatible Whisper Drive Plus Models, Includes Rail Extension and Replacement Belt Ft, Black"
brand: "chamberlain"
price: "VT137722"
currency: VUV
in_stock: true
reviews_count: 5
category: "Chamberlain"
url: https://www.desertcart.vu/products/53165679-chamberlain-g8808cb-p-8808cb-8-foot-garage-door-opener-kit
store_origin: VU
region: Vanuatu
---

# 8-foot rail extension Sleek black alloy steel design Includes all hardware & replacement belt CHAMBERLAIN G8808CB-P 8808CB 8-Foot Garage Door Opener Kit, Compatible Whisper Drive Plus Models, Includes Rail Extension and Replacement Belt Ft, Black

**Brand:** chamberlain
**Price:** VT137722
**Availability:** ✅ In Stock

## Summary

> 🚪 Upgrade your garage game with seamless power and style!

## Quick Answers

- **What is this?** CHAMBERLAIN G8808CB-P 8808CB 8-Foot Garage Door Opener Kit, Compatible Whisper Drive Plus Models, Includes Rail Extension and Replacement Belt Ft, Black by chamberlain
- **How much does it cost?** VT137722 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/53165679-chamberlain-g8808cb-p-8808cb-8-foot-garage-door-opener-kit)

## Best For

- chamberlain enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Durable structural steel rail system boosts strength and stability
- • **Sleek & Subtle:** Modern black finish blends effortlessly with your garage aesthetic
- • **Complete Package:** Includes replacement belt and all necessary hardware for seamless installation
- • **Extend Your Reach:** Perfectly engineered 8-foot rail extension for taller garage doors
- • **Effortless Upgrade:** Quick-install kit compatible with Whisper Drive Plus models—DIY friendly

## Overview

The CHAMBERLAIN G8808CB-P 8-Foot Garage Door Opener Kit is a robust, easy-to-install rail extension designed for garage doors up to 8 feet high. Compatible with Whisper Drive and Whisper Drive Plus models, it features a new structural steel rail system for enhanced durability, includes a replacement belt and all necessary hardware, and sports a sleek black alloy steel design for a modern look.

## Description

For use with Chamberlain Whisper Drive and Whisper Drive Plus belt drive garage door openers featuring the quick install rail system.

Review: Lo compre para abrir mi portón crrediso que mide 2.80 más y alcanzo muy bien
Review: This worked perfect on a new install. I knew I had an 8ft door. The factory rail kit works for shorter doors. Simply replace the one end of the track with the one included in this kit. I was able to install everything by myself.

## Features

- The product is 8', new structural steel rail extension kit
- Easy and simple use kit
- The product is manufactured in China
- Works on garage doors up to 8 feet high
- Includes rail extension, replacement belt, and all necessary hardware
- New structural steel rail system
- Increases structural integrity

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000VL9TBY |
| Brand | CHAMBERLAIN |
| Colour | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,733) |
| Global Trade Identification Number | 00012381180028 |
| Included Components | Hardware, Manual, Rail Extension, Replacement Belt |
| Is Assembly Required? | Yes |
| Item Type Name | Garage Door Opener 8 Ft Rail Extension Kit |
| Item Weight | 1.18 kg |
| Manufacturer | Chamberlain |
| Material | Alloy Steel |
| Style | Modern |
| UPC | 012381180028 012381088089 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** CHAMBERLAIN
- **Colour:** Black
- **Item weight:** 1.18 kg
- **Material:** Alloy Steel
- **Style:** Modern

## Images

![CHAMBERLAIN G8808CB-P 8808CB 8-Foot Garage Door Opener Kit, Compatible Whisper Drive Plus Models, Includes Rail Extension and Replacement Belt Ft, Black - Image 1](https://m.media-amazon.com/images/I/51JhMr6LtyL.jpg)
![CHAMBERLAIN G8808CB-P 8808CB 8-Foot Garage Door Opener Kit, Compatible Whisper Drive Plus Models, Includes Rail Extension and Replacement Belt Ft, Black - Image 2](https://m.media-amazon.com/images/I/51IxEN4PslL.jpg)
![CHAMBERLAIN G8808CB-P 8808CB 8-Foot Garage Door Opener Kit, Compatible Whisper Drive Plus Models, Includes Rail Extension and Replacement Belt Ft, Black - Image 3](https://m.media-amazon.com/images/I/616ZTiqRRKL.jpg)
![CHAMBERLAIN G8808CB-P 8808CB 8-Foot Garage Door Opener Kit, Compatible Whisper Drive Plus Models, Includes Rail Extension and Replacement Belt Ft, Black - Image 4](https://m.media-amazon.com/images/I/71lcO9hiS0L.jpg)
![CHAMBERLAIN G8808CB-P 8808CB 8-Foot Garage Door Opener Kit, Compatible Whisper Drive Plus Models, Includes Rail Extension and Replacement Belt Ft, Black - Image 5](https://m.media-amazon.com/images/I/61IcjHs4fQL.jpg)

## Questions & Answers

**Q: does this work on the B750 model Chamberlain?**
A: Yes, this would be the appropriate rail extension kit for your Chamberlain B750 opener.

**Q: Will this fit the chamberlain whisperer model 248739 ?**
A: According to Chamberlain's web site, yes.  Search for "chamberlain "248739"", you should find a downloadable parts manual; "8808CB 8 Foot (2.4 m) Rail extension kit" is listed for Models WD822KD • WD832KD • 248739, page 37.

**Q: I have a 12 x 16 foot door. Do I need to purchase an extension kit? If so, which one?**
A: You will definitely need an extension kit.  The opener is designed for a standard 7ft. door and therefore the rail (and belt on it) is only long enough to raise a door 7ft.  I have an 8ft door and only bought the extension for the additional 1 ft.  You should probably contact Chamberlain to see if they offer an extension for a 12ft door.  It might require a different type of opener.

**Q: Do I need to purchase the extension kit for the garage door opener to work?**
A: You have to purchase extension if door is 8 foot tall or it will not work.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***A on 6 February 2023*

Lo compre para abrir mi portón crrediso que mide 2.80 más y alcanzo muy bien

### ⭐⭐⭐⭐⭐ Review
*by A***N on 12 January 2026*

This worked perfect on a new install. I knew I had an 8ft door. The factory rail kit works for shorter doors. Simply replace the one end of the track with the one included in this kit. I was able to install everything by myself.

### ⭐ Review
*by 瀧***次 on 8 June 2025*

届いた商品が 写真と 違いが ある！ ベルト と レ－ルが １本 だけでした。 取り付けが できません❗

## Frequently Bought Together

- Chamberlain Group G8808CB-P Chamberlain 8808CB 8-Foot, Compatible Whisper Drive Plus Models, Includes Replacement Belt Garage Door Opener 8 Ft Rail Extension Kit
- CHAMBERLAIN B2401 Smart Quiet Belt Drive Garage Door Opener, Gray
- Chamberlain B4603T MYQ Smart Garage Door Opener, Ultra Quiet Belt Drive, 3/4-HP Motor - Quantity 1

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-06*