LiftMaster 41D3058 Motor and Bracket Kit
The LiftMaster 41D3058 is a motor and bracket replacement kit used with select LiftMaster and Chamberlain chain drive and belt drive residential garage door openers.
This kit helps restore motor drive operation when the opener runs weakly, stalls, hums, or fails to move the trolley because of a worn or failed motor assembly. Depending on packaging, the service kit may include the motor and bracket assembly, sprocket, RPM sensor, grease tube, and replacement bearings.
Compatible With
The 41D3058 is commonly used with select LiftMaster and Chamberlain chain and belt drive opener models. Some references include model families such as 3265, 1345, and 1346, but the exact operator parts diagram should be used for final confirmation.
- Select LiftMaster chain drive garage door openers
- Select LiftMaster belt drive garage door openers
- Select Chamberlain chain drive and belt drive openers
- Commonly associated with 3265, 1345, and 1346 style applications when confirmed
- Not for DC motor, screw drive, or wall mount jackshaft systems
Features & Specifications
| Feature / Specification | Details |
|---|
| Manufacturer | LiftMaster / Chamberlain |
| Product Type | Motor and Bracket Kit |
| Part Number | 41D3058 |
| Current Format | 041D3058 |
| Application | Motor replacement for select chain and belt drive openers |
| Compatible Operator Type | Select AC chain drive and belt drive garage door openers |
| Includes | Motor/bracket assembly and related service components depending on kit |
| Notes | Verify motor style, RPM sensor, drive type, and parts diagram |
Also Known As / Related Part Numbers
- 41D3058
- 041D3058
- 41A3058
- 41A2821
- 41A2820
- LiftMaster motor and bracket kit
Technician Note
Check the drive type before ordering. This motor and bracket kit is for select traditional chain and belt drive openers and should not be used for DC motor systems, screw drive openers, or wall mount operators unless the manufacturer diagram specifically calls for it.
Before Ordering, Confirm
- The original motor/bracket assembly matches 41D3058 or a confirmed related number
- The opener is a compatible chain or belt drive model
- The RPM sensor and bracket style match the original assembly
- The door is balanced and not overloading the opener
- The failure is not caused by a gear kit, logic board, capacitor, or wiring issue
Professional Advisory
This is an internal motor service part. Disconnect power before servicing and use a qualified garage door technician if high-voltage wiring, burned components, or unsafe door movement is present.
Important Ordering Warnings
- Not for screw drive openers
- Not for DC motor openers
- Not for wall mount jackshaft openers
- Similar motor assemblies may use different brackets or sensors
Questions & Answers
What does the 41D3058 kit replace?
It replaces the motor and bracket assembly on select LiftMaster and Chamberlain chain drive and belt drive garage door openers.
What parts are related to 41D3058?
Common related numbers include 041D3058, 41A3058, 41A2821, and 41A2820.
Can this fix a humming opener?
It can if the motor assembly is the failed part, but humming may also come from a capacitor, gear problem, jammed rail, wiring issue, or a stuck door.
Does this fit screw drive openers?
No. This kit is for select chain drive and belt drive opener applications, not screw drive systems.
Why should I check the RPM sensor?
Some motor assemblies use specific RPM sensor arrangements, and an incorrect sensor or bracket layout can prevent the opener from operating properly.
