Product Details
The LiftMaster K081C0253 is a replacement limit switch drive gear for select 3/4 HP LiftMaster and Chamberlain chain drive garage door openers. It is commonly cross-referenced with 081C0253, 41A2818-1, and 81C253.
Common Application
This part is commonly used in select 3/4 HP chain drive opener limit assemblies. Some older parts lists describe it as a limit switch drive and retainer, so the opener parts diagram should be used to confirm the exact component.
When This Part Is Usually Ordered
- Door travel limits will not hold after proper adjustment
- Limit drive gear is stripped, cracked, or missing teeth
- Parts diagram lists K081C0253, 081C0253, 41A2818-1, or 81C253
- Service inspection confirms wear inside the limit drive assembly
Features & Specifications
| Feature / Specification | Details |
|---|
| Manufacturer | LiftMaster / Chamberlain |
| Product Type | Limit switch drive gear |
| Part Number | K081C0253 |
| Related / Older Part Numbers | 081C0253, 41A2818-1, 81C253 |
| Application | Select travel limit drive assemblies |
| Compatible Operator Type | Select 3/4 HP LiftMaster and Chamberlain chain drive garage door openers |
| Drive Type | Chain drive applications when confirmed |
| Notes | Often described as a limit switch drive gear or limit switch drive and retainer |
Also Known As / Related Part Numbers
- K081C0253
- 081C0253
- 41A2818-1
- 81C253
Technician Note
Do not assume every travel-limit issue is caused by this gear. Before replacing it, inspect the limit switch assembly, limit drive parts, wiring, and mechanical door movement.
Before Ordering
- Confirm the opener is a compatible 3/4 HP chain drive model
- Match the manual or parts diagram to K081C0253, 081C0253, 41A2818-1, or 81C253
- Inspect the limit switch assembly for additional damage
- Check that the door moves freely by hand before limit service
- Avoid adjusting limits to compensate for a binding door
Professional Advisory
Limit service affects opener travel and stopping position. If the door overtravels, reverses unexpectedly, or will not stop correctly after repair, stop using the opener and have it serviced by a qualified technician.
Product Questions & Answers
What is K081C0253 used for?
It is a replacement limit switch drive gear used in select 3/4 HP LiftMaster and Chamberlain chain drive opener applications.
Is 81C253 related to K081C0253?
Yes. 81C253 is commonly listed as an also-known-as or older reference for K081C0253.
Can this part fix a garage door that stops in the wrong place?
It may help if the limit drive gear is worn or stripped, but stopping-position problems can also come from adjustment, switch, wiring, or mechanical door issues.
Is this for belt drive openers?
This part is commonly listed for select 3/4 HP chain drive opener applications, so belt drive use should not be assumed unless the parts diagram calls for it.
Why does the row say drive and retainer while the current listing says gear?
Older parts references may describe this assembly differently. The safest match is by part number and the operator parts diagram.
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