LiftMaster K020C0014 Drive Belt
The LiftMaster K020C0014 is a replacement internal drive belt for select screw drive garage door openers. It is a compact 60-tooth belt used in the opener drive mechanism, not the long belt found on belt drive rail systems.
This belt helps transfer motion inside the screw drive operator assembly. A worn or stripped belt can cause motor noise, slipping, poor screw drive movement, or failure to move the door through the rail system.
Compatible With
This part is used with various LiftMaster and Chamberlain screw drive garage door openers. Compatibility depends on the internal belt specification and opener parts diagram.
- Select LiftMaster screw drive garage door openers
- Select Chamberlain screw drive garage door openers
- Applications calling for K020C0014, 020C0014, or 20C14
- Screw drive opener mechanisms requiring a 60-tooth, 5 mm pitch, 6 mm wide belt
- Compatible Chamberlain Group screw drive platforms with matching pulley layout
Features & Specifications
| Feature / Specification | Details |
|---|
| Manufacturer | LiftMaster / Chamberlain |
| Product Type | Internal Drive Belt |
| Part Number | K020C0014 |
| Related Numbers | 020C0014, 20C14 |
| Application | Select screw drive garage door opener drive mechanisms |
| Belt Specification | 60 teeth, 5 mm pitch, 6 mm width |
| Notes | Not a long rail belt for belt drive openers. |
Also Known As / Related Part Numbers
These numbers and terms are commonly associated with this item. Related part numbers should be matched to the opener parts diagram before ordering.
- K020C0014
- 020C0014
- 20C14
- LiftMaster 20C14
- Chamberlain screw drive belt
- 60T 5mm pitch 6mm wide belt
- Screw drive opener belt
Technician Note
Do not confuse this small internal belt with a full-length belt drive opener rail belt. If the belt stripped, inspect the pulley, screw drive mechanism, and door balance so the new belt is not damaged by excessive load.
Before Ordering, Confirm
- The opener is a compatible screw drive model
- The original belt is marked K020C0014, 020C0014, or 20C14
- The belt tooth count, pitch, and width match the original
- Pulleys and drive components are not worn or damaged
- The opener rail and screw drive system move freely without binding
Professional Advisory
Disconnect power before servicing the opener. Keep hands clear of pulleys, gears, and the drive mechanism during testing. If the opener is binding or the door is not balanced, correct the mechanical problem before replacing the belt.
Important Ordering Warnings
- Not for belt drive rail systems.
- Not for chain drive openers.
- A stripped belt may indicate worn pulleys, binding screw drive components, or a heavy door.
- Match tooth count, pitch, and belt width before ordering.
Questions & Answers
Is K020C0014 a belt drive opener rail belt?
No. K020C0014 is a small internal drive belt for select screw drive openers, not the long rail belt used on belt drive garage door openers.
What are the belt specifications?
This belt is commonly listed as 60 teeth, 5 mm pitch, and 6 mm wide.
What other numbers are related to K020C0014?
Common related numbers include 020C0014 and 20C14.
Why did my screw drive belt strip?
A stripped belt can be caused by worn pulleys, binding screw drive components, excessive door load, poor lubrication, or an out-of-balance garage door.
What should be inspected during replacement?
Inspect the pulleys, screw drive mechanism, rail, door balance, and original belt dimensions before installing the new belt.