LiftMaster 041B8861 Travel Module, Absolute Encoder & Wire Harness Kit for Wall-Mount Garage Door Openers
LiftMaster 041B8861 Travel Module, Absolute Encoder & Wire Harness Kit for Wall-Mount Garage Door Openers
LiftMaster
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Product Description
The LiftMaster 041B8861 Travel Module with Wire Harness Kit is a genuine replacement assembly for select LiftMaster and Chamberlain wall-mounted garage door openers.
The travel module and absolute encoder monitor the garage door’s position and movement, allowing the operator to determine the correct fully open and fully closed travel limits. This replacement kit may be required when an opener cannot properly learn its travel limits, stops in the wrong position, displays a travel-module-related error, or has a damaged encoder or wiring harness.
The complete kit includes the travel module, absolute encoder, and two connecting wire harnesses.
Features
- Genuine LiftMaster replacement part
- Manufacturer part number 041B8861
- Complete travel-module replacement kit
- Includes absolute position encoder
- Includes two wire harnesses
- Helps the opener monitor door position and travel
- Restores communication between the travel module and operator
- Designed for select wall-mount and jackshaft garage door openers
- Replaces several earlier LiftMaster part numbers
Package Contents
- Travel module
- Absolute encoder
- Two wire harnesses
- Installation instructions
Compatibility
Compatible with select LiftMaster wall-mounted garage door openers and commercial dock door operators, including:
- LiftMaster 8500
- LiftMaster 8500W
- LiftMaster 8500C
- LiftMaster 98022
- LiftMaster DDO8900W
Compatible with select Chamberlain wall-mounted garage door openers, including:
- Chamberlain RJO20
- Chamberlain RJO20C
- Chamberlain RJO70
- Chamberlain RJO101
Compatibility can vary by operator production date and internal component configuration. Verify the opener model number and existing part number before ordering.
Replacement Part Numbers
The LiftMaster 041B8861 may also replace or be identified by the following part numbers:
- 041D8861
- 41A6408
- 041A6408
- 41B8861
Use the complete manufacturer part number, 041B8861, when confirming compatibility.
Common Uses
- Replacing a damaged garage door opener travel module
- Replacing a defective absolute encoder
- Repairing damaged or disconnected travel-module wiring
- Correcting travel-limit programming problems
- Repairing a wall-mount opener that cannot detect the door position
- Restoring normal operation after a travel-module error
Important Matching Notes
This part is not universal.
Before ordering, confirm:
- Garage door opener manufacturer
- Exact opener model number
- Existing travel-module part number
- Wire-harness connections
- Operator production date
- Error code or diagnostic condition
Do not purchase this kit based only on its physical appearance. Similar LiftMaster travel modules may use different wiring, connectors, or internal programming.
Installation Notes
Disconnect electrical power and remove or disconnect the backup battery before servicing the garage door opener.
Installation requires opening the operator housing, disconnecting the existing wire harnesses, removing the travel module and encoder assembly, and installing the replacement components.
After installation, the operator’s travel limits and force settings may need to be programmed again according to the garage door opener’s instructions.
Professional installation is recommended if the cause of the problem has not been properly diagnosed.
Safety Warning
Garage doors and garage door opener systems can cause serious injury if serviced incorrectly.
Disconnect power before installation. Keep the garage door fully closed whenever possible and prevent the door from moving while the operator is being serviced.
Do not attempt to adjust garage door springs, cables, drums, or counterbalance components while replacing this part. Components under spring tension should only be serviced by a trained garage door professional.
After installation, test the travel limits, safety-reversing sensors, automatic reversal system, and emergency release before returning the opener to normal operation.
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Meta Description: Buy the LiftMaster 041B8861 travel module kit with absolute encoder and two wire harnesses for select 8500, 8500W, 98022, RJO and DDO8900W wall-mount openers.
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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