LiftMaster K41-0073-000-MC Heavy-Duty Gate Main Control Board
LiftMaster K41-0073-000-MC Heavy-Duty Gate Main Control Board
The LiftMaster K41-0073-000-MC is a main control-board service item for the applicable heavy-duty gate-operator platform. The supplier identifies manufacturer reference K41-0073-000MC, while manufacturer parts drawings use the base reference K41-0073-000. Confirm the supplied revision against the exact operator before ordering. This is the main control board, not the separate HD power board or brushless motor-drive board. Replacing the correct component depends on identifying the original fault and matching the complete service reference.
Compatibility — Models, Versions and Exclusions
| Model or selection point | Compatibility requirement |
|---|---|
| HDSL24UL | Manufacturer repair diagram identifies K41-0073-000 as the main board; verify the supplied MC revision. |
| HDSW24UL | Manufacturer service-parts guide identifies the same base main-board reference; confirm the actual equipment revision. |
| INSL24UL / IHSL24UL | Manufacturer manual lists the base control-board reference, but motor-drive parts differ; confirm approved service selection. |
| Standard DC pad-mount or linear-actuator boards | Different service references; do not select this board merely because the operator uses 24V DC. |
Distinguish Main Control, Power and Motor-Drive Electronics
The heavy-duty operator contains several electronic assemblies with different jobs. A loss of movement does not prove that the main control board has failed. The technician should inspect the supply, batteries, diagnostic indications, connections and related drive components before choosing the replacement. Do not substitute the main board for a diagnosed power-board or motor-drive fault.
Provide photographs of the operator label, original board number and installed connections. The service drawings may use a base number while the current supplied kit carries an MC suffix, so confirm the approved replacement relationship. Document the existing settings and connected accessories, then follow the required commissioning procedure after service rather than assuming the replacement retains the old setup.
Specifications and Product Identification
| Specification | Details |
|---|---|
| Supplier SKU | K41-0073-000-MC |
| Manufacturer offer reference | K41-0073-000MC |
| Base service reference | K41-0073-000 |
| Component | Heavy-duty gate main control board |
| Documented base-reference models | HDSL24UL and HDSW24UL; additional industrial applications require revision matching |
| Separate power-board reference | K41-0071-000 in the documented HD assemblies |
Before Ordering
- Identify the full operator model, serial information and original main-board label.
- Confirm K41-0073-000MC is the approved supplied replacement for that equipment.
- Have the power supply, batteries, wiring and related boards evaluated.
- Plan the required travel setup, accessory configuration and monitored-device tests.
Package Contents and Separate Requirements
This listing identifies the main control-board service item. A power board, motor-drive board, transformer, enclosure, complete harness or motor is not promised as included. Confirm the supplied kit inventory before ordering. Components shown beside the board in an exploded diagram remain separate unless the current kit description expressly includes them.
Safety Warnings — Read Before Installation or Service
- WARNING: Gate-control service involves hazardous electrical energy and unexpected movement. Use a qualified gate-systems technician.
- Isolate utility and battery power and secure the gate before removing electronics or changing wiring.
- Do not bypass monitored protection or use improvised connections to make an unmatched board operate.
- Complete the prescribed setup and verify travel, reversal and every required protection device before returning the gate to normal service.
Related Products and Important Differences
- LMRRUL monitored photo eye — an external protection option where approved for the exact operator and board configuration.
- LMWEKITU monitored wireless edge kit — a separate monitored edge system; confirm compatibility and recommission its protective response after board service.
Frequently Asked Questions
Is this the HD power board?
No. The documented HD assemblies list K41-0071-000 separately as the power board. This item is the main control board.
Can it replace any 24V LiftMaster board?
No. Voltage alone does not establish compatibility. Match the exact operator and approved service reference.
Why does the manual omit MC from the part number?
The manual may identify the base service reference. Confirm the current supplied revision and approved replacement relationship rather than assuming every suffix is interchangeable.
Will replacing it fix every motor fault?
No. The motor, motor-drive board, power system, wiring and mechanical gate condition may require separate diagnosis or repair.
Need Help Confirming the Right Product?
Contact Garage-DoorParts.com before ordering. Send the full equipment model, readable part labels and photographs of the installed assembly. Include the dimensions, electrical configuration or accessory details relevant to your project so the listing can be checked against the actual installation.
Details
Need Help With Compatibility?
Not sure if this is the correct part for your garage door, operator, gate system, or application? Contact Us before ordering — we’re happy to help.
Garage-DoorParts.com carries a large selection of residential and commercial parts, and many components can look similar while having important differences in dimensions, model numbers, voltage, mounting, or compatibility.
For the best assistance, please provide as much information as possible, including the manufacturer, model number, part number, door or operator type, dimensions, and clear photos of the existing part or equipment.
Our goal is to help you identify the correct product before you order and reduce the possibility of ordering an incompatible part.
Contact Us with your product questions and compatibility information, and we’ll do our best to point you in the right direction.
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