Liftmaster K10-8021, CONTROL PANEL
The LiftMaster K10-8021 is a control panel replacement plate used in select LiftMaster BG series barrier gate operators. This type of part forms the physical mounting surface for components inside the operator control enclosure, helping keep the controls, wiring path, and related hardware positioned as originally designed. On older barrier operators, the panel can become damaged from corrosion, cabinet impact, previous repairs, or hardware that was removed and never properly reinstalled. Replacing the plate can clean up the electrical enclosure and give the technician a proper mounting base during a rebuild. It is important to understand that this is a physical panel/backplate, not a logic board or complete electrical control package. The existing operator model, cabinet layout, and parts diagram should be checked before ordering, especially on older BG770 and BG790 installations.
Compatible With
Confirmed / commonly listed applications
- LiftMaster BG770 barrier gate operators
- LiftMaster BG790 barrier gate operators
- Perimeter Access Solutions BG series barrier operator service applications
Related application notes
- Often described as a control panel replacement plate or electrical panel backplate
- Used as cabinet/control-area mounting hardware, not as a circuit board
- Verify the control-box layout before ordering for older or previously modified operators
Also Known As / Related Part Numbers
- K10-8021
- 10-8021
- LiftMaster K10-8021
- BG770 control panel
- BG790 control panel
- Electrical panel backplate
- Control panel replacement plate
Features & Specifications
| Manufacturer | LiftMaster / Chamberlain Group |
|---|
| Product Type | Control panel replacement plate / electrical panel backplate |
|---|
| Part Number | K10-8021 |
|---|
| Application | Barrier gate operator control enclosure service part |
|---|
| Compatible Operator Type | Select LiftMaster BG770 and BG790 barrier operators |
|---|
| Material / Finish | Metal panel; finish may vary |
|---|
| Included Components | Panel plate only unless supplier listing states otherwise |
|---|
| Notes | Not a complete control board or wiring harness |
|---|
Technician Note
If the existing panel is being replaced because of corrosion or water damage, inspect the cabinet seals, conduit entries, and any mounted electrical parts before reusing them.
Before Ordering Checklist
- Confirm the operator is BG770, BG790, or uses K10-8021 in the illustrated parts list.
- Compare the panel size, mounting points, and hole layout to the original plate.
- Check whether existing controls, relays, and wiring need additional hardware to remount properly.
- Label wiring before removing any electrical components from the old panel.
- Have damaged or unsafe wiring corrected by a qualified technician.
Important Ordering Warnings
- This is a physical control panel plate, not a logic board.
- Do not assume it includes switches, relays, wiring, or control electronics.
- Older BG cabinets may have been modified in the field, so compare the existing layout carefully.
Professional Advisory
Work inside a barrier gate control cabinet may involve hazardous voltage and moving equipment. A qualified gate technician should handle electrical disassembly, rewiring, and operational testing.
Product Questions and Answers
Is K10-8021 a circuit board?
No. K10-8021 is a control panel replacement plate or electrical backplate used to mount components inside the operator enclosure.
What LiftMaster models use K10-8021?
It is commonly listed for LiftMaster BG770 and BG790 barrier gate operators.
Does this panel include wiring or switches?
Not normally. It is generally the replacement plate only unless the seller specifically states that additional hardware is included.
Why would this panel need replacement?
It may be replaced when the original plate is rusted, bent, missing, drilled incorrectly, or no longer supports the controls securely.
Can I use K10-8021 on any LiftMaster barrier operator?
No. Use it only where the operator parts diagram or original part confirms the K10-8021 panel layout.
