LiftMaster 41A5668 Gear and Sprocket Kit for ATS Openers
The LiftMaster 41A5668 is a replacement gear and sprocket kit for select ATS chain drive garage door openers. It is used to restore drive engagement when compatible ATS opener gear components are worn or damaged.
Common Applications
- Gear repair for select ATS chain drive garage door openers
- Commonly associated with ATS211X and ATS2113X model families
- Replacement when the opener motor runs but the drive gear or sprocket assembly is worn
Features & Specifications
| Feature / Specification | Details |
|---|
| Manufacturer | LiftMaster |
| Product Type | ATS gear and sprocket kit |
| Part Number | 41A5668 |
| Application | Drive gear and sprocket replacement |
| Compatible Operator Type | Select ATS chain drive garage door openers |
| Notes | ATS-specific gear kit; not a universal chain drive gear assembly |
Compatible With
- Select LiftMaster ATS chain drive garage door openers
- ATS211X
- ATS2113X
- Applications where the parts diagram calls for 041A5668 or 41A5668
Also Known As / Related Part Numbers
- 041A5668
- 41A5668
- ATS gear and sprocket kit
Technician Note
This ATS kit should be matched by model and parts diagram. Do not substitute a standard chain drive gear kit unless the opener documentation specifically lists that part.
Before Ordering
- Confirm the opener model is in the ATS chain drive family.
- Compare the original gear kit number to 041A5668 or 41A5668.
- Inspect rail drag, chain tension, and door balance before repair.
- Do not use this part for belt drive or screw drive openers.
Professional Advisory
Drive gear repairs involve the opener motor head and moving mechanical parts. Disconnect power before service and correct any door balance or binding issue before installing a replacement gear kit.
Product Q&A
Is 41A5668 the same as 41C4220A?
No. 41A5668 is an ATS gear and sprocket kit. 41C4220A is a different chain drive gear kit used on other compatible opener families.
Which models are commonly associated with this part?
It is commonly associated with ATS211X and ATS2113X style ATS chain drive opener applications.
Can this kit fix a motor that hums but will not move?
It may help if the gear assembly is stripped or worn, but a humming motor can also point to other electrical or mechanical problems.
Does this part include the entire rail assembly?
No. This is a gear and sprocket kit for the opener head, not a complete rail, chain, or trolley assembly.
Why should I check the parts diagram?
ATS parts can look similar to other chain drive parts, but the gear shape, mounting points, and kit contents may differ.
