Overview

Upgrade your garage door system with this heavy-duty steel trolley replacement kit designed specifically for Chamberlain LiftMaster models 1040, 1140, 1250, and 1255. This comprehensive kit includes all necessary hardware for a complete installation, featuring a robust belt drive system that ensures smooth and reliable operation. The black-finished components are precision-engineered for durability and seamless integration with your existing setup. The kit comes with mounting brackets, springs, and connecting hardware, making it a complete solution for your garage door opener maintenance needs. With package dimensions of 24.0 x 6.0 x 4.0 inches, this trolley replacement kit provides everything needed for a proper installation. Each component is manufactured to exact specifications to ensure proper fit and function, helping restore your garage door opener to optimal performance. Perfect for both DIY enthusiasts and professional installers, this replacement kit offers a straightforward solution to common garage door trolley wear and tear.

Features

• Replacement Support : Trolley assembly supports replacement part numbers 041B3869-3A, 41B3869-1, 41B3869-3, 41B3869, 41B3869-3A
• Heavy-Duty & Rust-Resistant Construction : Made of high-grade steel , the trolley and hardware are built to withstand daily use and resist corrosion (ideal for garage environments)
• All Parts You Need in One Kit : Includes trolley body, bolt, chain, pin, nuts, and master links—no extra tools or parts required for installation (saves time & money)
• Easy Installation : No professional skills needed: disconnect power → remove old trolley → install new kit → test (safe & straightforward)

Compatibility

• Fits Most Popular Models : Compatible with Chamberlain & LiftMaster garage door openers 1270, 1280, 1280R, 2280, 2580, 2500, 2500B, 2500D, 2585, 8100, 8100M, 8200, 9200, WD822K, WD822KS, WD922K, WD912K, WD912KS, (check model list in description for full compatibility)
• Perfect Replacement for Worn Trolleys : Fix sticky, noisy, or stuck garage doors instantly—this 41B3869 kit replaces the trolley on Chamberlain/LiftMaster openers, restoring smooth door operation

Specifications

• Package dimensions: 2.36 x 4.21 x 5.94 in
• Weight: 1.21 lb

Condition

New: This item is brand new, unused, unopened, and in its original packaging. It has never been worn or used and is in perfect condition, just as received from the manufacturer.