LiftMaster 041A3589-1 8 ft Belt Assembly Kit
The 041A3589-1 is an 8 ft replacement belt assembly for select LiftMaster and Chamberlain residential belt drive garage door openers. It is used to restore proper trolley movement on compatible 8 ft rail systems.
Compatibility and Application
This belt assembly is commonly used with select LiftMaster and Chamberlain belt drive openers configured for an 8 ft residential door. It should be matched by opener parts diagram, rail length, and original belt part number. Do not substitute it for 7 ft or 10 ft belt rail setups.
Features & Specifications
| Feature / Specification | Details |
|---|
| Manufacturer | LiftMaster |
| Product Type | Garage door opener belt assembly |
| Part Number | 041A3589-1 |
| Application | 8 ft residential door belt rail applications |
| Compatible Operator Type | Select LiftMaster and Chamberlain belt drive garage door openers |
| Rail Length | 8 ft door application |
| Drive Type | Belt drive |
| Notes | One-piece belt assembly; verify length by parts diagram |
Also Known As / Related Part Numbers
Technician Note
A belt replacement should move smoothly by hand through the rail path before the opener is placed back into service. Binding or a damaged trolley can mimic a bad belt.
Before Ordering
- Confirm the opener calls for 041A3589-1.
- Confirm the rail setup is for an 8 ft residential door.
- Compare the old belt and rail setup before discarding parts.
- Inspect the belt pulley bracket and trolley for wear.
- Do not use this belt on 10 ft or 7 ft rail applications.
Professional Advisory
Do not use the opener to compensate for a heavy, unbalanced, or binding garage door. Have a qualified garage door technician correct door balance or spring problems before replacing drive components.
Product Questions & Answers
What door height is the 041A3589-1 belt kit for?
This belt kit is for select 8 ft residential door rail applications on compatible LiftMaster and Chamberlain belt drive openers.
Is this belt kit universal?
No. It must match the opener rail setup and parts diagram. Similar LiftMaster belt kits can have different lengths.
Can a noisy opener need this belt?
Possibly. A worn or damaged belt can create noise, but the trolley, pulley bracket, and door balance should also be checked.
Does this kit fit a chain drive opener?
No. This is a belt assembly for compatible belt drive garage door openers only.
Why should the rail length be checked?
The belt length is tied to the rail and door height. Installing the wrong length can prevent proper trolley travel and opener adjustment.
