About This Product
This 41B4103 tensioner and bolt assembly is the replacement part you need if your garage door opener trolley system is acting up.

It's designed to fit openers that use tensioner bolts – specifically models 41B3869-1, 41B3869-3, 41C5141-1, and 41C5141-2.

The assembly measures about 13 centimeters long (just over 5 inches) and is made from sturdy metal that holds up to the repeated tension of opening and closing your heavy garage door.

It's a direct replacement part, so you don't have to hack anything – just swap out the old one.

Installation is pretty straightforward for anyone with basic mechanical skills, and it's way cheaper than calling a pro.

Keeping this part in good shape helps your opener run smoothly and extends its life.

Simple, functional, and exactly what you need to get your door working right.


