LiftMaster 4183B0110, END RAIL
The LiftMaster 4183B0110 end rail replacement kit is a structural rail section used with select residential garage door opener rail assemblies. This part is typically ordered when the end rail section is damaged, bent, missing, or no longer aligns properly with the rest of the rail system. The end rail affects how the opener rail supports the trolley, chain or belt path, and header-end hardware, so correct rail profile and length are important. LiftMaster and Chamberlain rail sections can look similar but may not interchange across screw drive, T-rail, square rail, belt drive, and chain drive systems. Always compare the existing rail profile, joining points, and parts diagram before ordering this replacement end rail.
Compatible With
Used with select Various Chamberlain and LiftMaster residential garage door opener rail assemblies. LiftMaster and Chamberlain rail components are often platform-specific, so match the rail profile, original part number, rail length, and opener parts diagram before ordering.
Features & Specifications
| Manufacturer | LiftMaster / Chamberlain Group |
|---|
| Product Type | end rail replacement kit |
|---|
| Part Number | 4183B0110 |
|---|
| Application | Various Chamberlain and LiftMaster residential garage door opener rail assemblies |
|---|
| Compatible Operator Type | Select residential garage door opener rail assemblies |
|---|
| Notes | Verify rail profile, drive type, door height, and parts diagram |
|---|
Also Known As / Related Part Numbers
- 183B110
- 012381001101
- 183B93
- 4183B110
- LM-4183B0110
Technician Note
Do not mix rail families. T-rail, square rail, screw drive, belt drive, and chain drive assemblies can use different sections and connection hardware even when the opener brand is the same.
Before Ordering
- Match the part number to the original rail diagram.
- Confirm rail profile and drive type.
- Verify door height and rail length.
- Inspect existing rail sections for bending, twisting, or cracked connection points.
- Confirm all splice, idler, bracket, and trolley hardware matches the rail family.
Professional Advisory
Rail repair should be performed with the opener unplugged and the door properly supported. If the door is heavy, out of balance, or binding in the tracks, correct the door issue before replacing rail components.
Important Ordering Warnings
- Do not force mismatched rail sections together.
- Do not reuse bent rail parts that can bind the trolley or carriage.
- Do not assume Chamberlain, LiftMaster, and Craftsman rails interchange without checking the parts diagram.
Product Questions & Answers
What rail assembly does this part fit?
This part is used with select Various Chamberlain and LiftMaster residential garage door opener rail assemblies. The rail profile and original parts diagram should be checked before ordering.
Can I order this by motor head model only?
No. Rail parts should be matched by rail style, rail length, drive type, and original part number, not only by motor-head model.
What happens if the wrong rail part is installed?
The trolley or carriage may bind, the chain, belt, or screw drive may track poorly, and the opener may become noisy or unreliable.
Is this part for chain, belt, or screw drive openers?
This item is listed as a end rail replacement kit. Use the original rail style to confirm whether it belongs on the installed opener.
Should damaged rail sections be reused?
Bent, cracked, or distorted rail sections should not be reused because they can cause travel problems and stress the opener drive system.
