Liftmaster 041B7611 - Filter Board W/Screws Replacement Parts Residential Openers
The LiftMaster 041B7611 is a noise filter board replacement kit used inside select residential garage door openers. Its job is to help reduce electrical noise and interference that can affect the opener control circuit, radio reception, and accessory communication on compatible units. It is not a main logic board, receiver board, motor control board, or wall control panel. It is a smaller internal filter component used with specific opener designs.
This part is most commonly associated with LiftMaster, Chamberlain, and Sears Craftsman residential chain drive and belt drive openers manufactured after 2011, especially DC motor models with Security+ 2.0 era electronics. Common searches tie it to LiftMaster 8360 and 8550 style openers, and Chamberlain model families such as HD920EV, WD1000WF, and WD1000WFC. Fitment should always be confirmed by the original board number and opener parts diagram because electronic parts from the same opener generation can look similar but serve different functions.
A failed or damaged filter board may be suspected when an opener has interference-related issues, erratic communication, visible board damage, or power/noise related symptoms after other causes have been ruled out. Because this part is inside the opener head, diagnosis should be handled carefully and power should be disconnected before service. If there is burn damage, repeated fuse failure, storm damage, or uncertain wiring, have the opener inspected by a qualified technician.
Compatible With
Common Compatible Models and Families
Use this part only when the opener parts diagram or original board confirms 041B7611, 41B7611, or 41A7611. Commonly associated applications include:
- Select LiftMaster residential DC chain drive garage door openers manufactured after 2011
- Select LiftMaster residential DC belt drive garage door openers manufactured after 2011
- LiftMaster 8360 style chain drive opener applications when confirmed by parts diagram
- LiftMaster 8550 style belt drive opener applications when confirmed by parts diagram
- Select Chamberlain HD920EV, WD1000WF, and WD1000WFC style opener applications
- Select Sears Craftsman openers from the same Chamberlain/LiftMaster DC motor family
Important Compatibility Notes
- This part is listed by some manufacturer references as discontinued with no direct current replacement.
- Do not confuse this noise filter board with receiver logic boards such as 045DCT, 047DCT, 050DCT, or Wi-Fi logic boards.
- Manufacturing date matters; confirm the opener was built in the correct Security+ 2.0 era and that the original board number matches.
Features & Specifications
| Feature / Specification | Details |
|---|
| Manufacturer | LiftMaster / Chamberlain |
| Product Type | Noise filter board replacement kit |
| Part Number | 041B7611 |
| Application | Electrical noise filtering and surge/noise reduction in select residential opener circuitry |
| Compatible Operator Type | Select residential DC chain drive and belt drive garage door openers |
| Security Technology | Commonly found in Security+ 2.0 era opener families |
| Included Components | Filter board with screws |
| Notes | Confirm by original board number, opener model, manufacturing date, and parts diagram |
Also Known As / Related Part Numbers
- 041B7611
- 41B7611
- 41A7611
- LiftMaster 041B7611
- Chamberlain 041B7611
- Noise filter board with screws
Technician Note
This board should be matched by part number and opener diagram, not by opener brand alone. Several LiftMaster/Chamberlain boards from the same era are not interchangeable even when the end panel and learn button color look similar.
Before Ordering Checklist
- Match the original board number to 041B7611, 41B7611, or 41A7611.
- Confirm the opener model and manufacturing date.
- Verify that the issue is not caused by the main logic board, wall control, safety sensors, travel module, or power supply.
- Inspect for water, surge, or burn damage before replacing the part.
- Disconnect power before service and use a qualified technician for internal electrical repair.
Professional Advisory
Internal opener electronics can involve line voltage and stored electrical energy. Do not live-test or bypass safety devices. If the opener has visible electrical damage or unknown wiring, use a qualified garage door technician.
Product Questions & Answers
What does the 041B7611 noise filter board do?
It helps reduce electrical noise and interference in select LiftMaster, Chamberlain, and Sears Craftsman residential opener circuits.
Is 041B7611 the same as the main logic board?
No. It is a noise filter board, not the main receiver logic board or motor control board.
Which openers commonly use 041B7611?
It is commonly associated with select post-2011 LiftMaster and Chamberlain DC chain and belt drive openers, including some 8360, 8550, HD920EV, WD1000WF, and WD1000WFC style applications when confirmed by parts diagram.
Is this part discontinued?
Some manufacturer references list 041B7611 as discontinued with no direct current replacement, so availability and fitment should be reviewed before upload or sale.
Can I replace this board if my opener has radio interference?
Possibly, but radio interference can come from several causes. Confirm the original board number and inspect the opener before replacing internal electronics.
