LiftMaster 041A3489 Garage Door Opener Carriage Trolley Assembly

The LiftMaster 041A3489 Carriage Trolley Assembly is a genuine replacement part designed for chain drive garage door openers. Built for durability and smooth operation, this complete trolley assembly restores proper function to your garage door system and ensures long-lasting reliability.

This LiftMaster trolley replacement is compatible with a wide range of chain drive operators from LiftMaster, Chamberlain, Sears Craftsman, and Wayne-Dalton. It fits several popular LiftMaster models and replaces multiple part numbers for added convenience.

Key Features

• Genuine LiftMaster chain drive trolley assembly

• Part number: 041A3489

• Complete carriage trolley replacement for chain drive operators

• Compatible with LiftMaster models: 1240R, 1245R, 1246R, 1255R, 1256R

• Works with Chamberlain, Sears Craftsman, and Wayne-Dalton chain drive openers

• Ensures smooth, reliable garage door operation

• Easy-to-install OEM replacement

Also Known As (Alternate Part Numbers)

1B1435, 41B3215, 41B2617, 65411, 1A955, 41A3489, 4A1020, 062245, 1B3869, 4A1051, 41B2771