LiftMaster 41A6102 Power Door Lock Kit
The LiftMaster 41A6102 is a replacement power door lock kit for select LiftMaster and Chamberlain RJO series wall-mounted garage door openers.
The lock automatically secures the garage door when the compatible opener closes, adding a physical locking point to the door system.
What This Part Does
The power door lock extends a locking bolt into the door track or lock position when the opener is closed and releases when the opener is activated.
A failed lock can cause lock error messages, failure to unlock, a door that will not move, or loss of the automatic locking function on compatible wall-mounted openers.
Compatible With
The 041A6102 is compatible with various LiftMaster and Chamberlain RJO series wall-mounted garage door openers when the parts diagram calls for this lock kit.
Common Compatible Applications
- Select LiftMaster 3800 wall-mounted garage door openers
- Select LiftMaster 8500 wall-mounted garage door openers
- Select Chamberlain RJO series wall-mounted openers
- Wall-mount jackshaft opener systems calling for 041A6102 or 41A6102
Important Compatibility Notes
- Connector style may vary by opener generation
- Confirm fitment on 8500W and newer RJO models by parts diagram
- Not for standard ceiling-mounted chain, belt, or screw drive openers
Features & Specifications
| Feature / Specification | Details |
|---|
| Manufacturer | LiftMaster / Chamberlain |
| Product Type | Power Door Lock Kit |
| Part Number | 041A6102 |
| Alternate Number | 41A6102 |
| Application | Automatic door lock for select wall-mounted RJO openers |
| Compatible Operator Type | Select LiftMaster and Chamberlain RJO wall-mounted garage door openers |
| Includes | Power door lock, installation screws, and mounting template |
| Notes | Verify opener generation, connector, and parts diagram before installation. |
Also Known As / Related Part Numbers
This lock kit may be referenced with or without the leading zero in the LiftMaster part number.
- 041A6102
- 41A6102
- LiftMaster power door lock
- LiftMaster RJO door lock
- LiftMaster 3800 lock
- LiftMaster 8500 lock
Technician Note
Check the lock connector and opener generation before ordering. Some wall-mount opener versions have different lock wiring or updated parts requirements.
A door lock fault can also be caused by misalignment, damaged wiring, or a door that is not closing fully into the proper lock position.
Before Ordering, Confirm
- Opener is a compatible RJO wall-mounted model
- Original lock or parts diagram calls for 041A6102 or 41A6102
- Connector style and wiring match the opener
- Door and track alignment allow the lock bolt to move freely
- Existing lock bracket and mounting area are not damaged
Professional Advisory
Do not bypass a door lock fault without correcting the cause. If the opener will not run because of a lock problem, inspect the lock, door position, wiring, and operator before returning the system to service.
Important Ordering Warnings
- Not for standard ceiling-mounted openers
- Lock must align correctly with the door or track
- Connector differences can prevent interchangeability
- A misaligned or binding door can damage the lock or opener
Questions & Answers
What does the LiftMaster 41A6102 power door lock do?
The 41A6102 power door lock automatically locks the garage door when used with compatible LiftMaster and Chamberlain RJO wall-mounted openers.
Which opener types use this lock?
It is used with select LiftMaster and Chamberlain RJO series wall-mounted garage door openers, including many 3800 and 8500-style applications when confirmed.
What comes with the 041A6102 kit?
The kit commonly includes the power door lock, installation screws, and a mounting template.
Why should the plug style be checked?
Some opener generations and replacement locks can have different connector layouts, so the plug and parts diagram should match the opener before ordering.
Can this lock fix a door that is hard to close?
No. A power lock should not be used to force or hold a misaligned door. The door, track, rollers, and operator should work properly before the lock is installed.
