Find In-Store
Find In-Store
Upgrade your garage door system with the Chamberlain 1.25 in. W X 49.47 in. L Steel Chain Drive Rail Extension Kit. Crafted from high-quality steel, this extension kit is designed to enhance the performance of your Chamberlain garage door opener, making it a perfect choice for both commercial and residential applications.
This durable extension rail measures 49.47 inches in length and 1.25 inches in width, providing the necessary extension to accommodate larger garage doors. Installation is straightforward, ensuring you can quickly and easily enhance your garage door functionality.
With its sleek black finish, the Chamberlain 1.25 in. W X 49.47 in. L Steel Chain Drive Rail Extension Kit seamlessly integrates with your current garage door system, providing both aesthetic appeal and functional reliability. Don’t let a short rail hold you back—maximize your garage door's potential today!
Order your Chamberlain 1.25 in. W X 49.47 in. L Steel Chain Drive Rail Extension Kit now and experience smooth, reliable garage door operation like never before!
| Brand | Chamberlain |
|---|---|
| SKU | 5018772 |
| UPC | 012381187065 |
| Unit | 0 |
| Case Pack Quantity | 1 per case |
| Retail Unit Quantity | 1 |
| Unit of Measure | 0 0 |
| Dimensions (L × W × H) | 2 × 3 × 51 |
| Weight | 10 lbs |
| Cubic Feet | 0.17535 ft³ |
| Country of Origin | MEXICO |
Trusted Brands Only
Authentic products from the manufacturers you know. No knockoffs, no marketplace risk.
Ships Nationwide
Fulfilled from the same distribution network that supplies thousands of independent hardware stores nationwide.
Real Hardware Experts
Questions? Reach real people, not a chatbot. Call (866) 469-8556.
Pro Accounts Available
Net 30, bulk pricing, gov compliance. Apply →
Whether you're a contractor, property manager, facility team, or government buyer — one application unlocks pricing, terms, and service built for the way you actually buy.
Apply for a Pro Account Or call (866) 469-8556Every product comes directly from the trusted manufacturers you know — sourced through the same distribution network that supplies thousands of independent hardware stores nationwide.
Every purchase supports independent hardware retailers in our network. We're not a marketplace, not a chain, not a faceless warehouse — we're the digital storefront for the local stores you want to keep on the corner.
Twenty years of working with independent hardware retailers means we actually know hardware. Questions about fit, compatibility, or job requirements? Reach a real person, not a chatbot or a contracted call center.
*Source: American Independent Business Alliance research on local economic multiplier effect.
National Hardware Group is an authorized seller of Chamberlain products, sourced directly through the manufacturer's official distribution network. Every Chamberlain item ships with full manufacturer warranty support, authentic packaging, and the quality assurance that comes with buying from a trusted channel.
{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}