41B7418 Product Details
The LiftMaster 41B7418 wire harness kit is an internal dual-light harness for select residential garage door openers. It provides the wiring connection path for compatible opener light assemblies and is typically replaced during service when the original harness is damaged or no longer reliable.
Common Applications
This harness is commonly associated with select LiftMaster and Chamberlain garage door openers manufactured from approximately 2005 to 2015 that use a dual light system. The current formatted part number is commonly shown as 041B7418.
Features & Specifications
| Feature / Specification | Details |
|---|
| Manufacturer | LiftMaster / Chamberlain |
| Product Type | Dual light wire harness kit |
| Part Number | 41B7418 / 041B7418 |
| Application | Internal light wiring harness replacement |
| Compatible Operator Type | Select residential garage door openers with dual light assemblies |
| Production Range | Commonly associated with 2005–2015 units |
| Notes | For compatible dual-light models only |
Also Known As / Related Part Numbers
- 041B7418
- 41B7418
- Wire harness kit, dual light
Technician Note
This harness should be routed the same way as the original so it does not rub the drive system, housing, or moving parts inside the opener head.
Before Ordering
- Confirm the opener production range and model number.
- Match the old harness to 41B7418 / 041B7418.
- Confirm the opener uses a dual-light system.
- Inspect the socket and board terminals before replacing the harness.
- Keep wiring clear of moving parts during reassembly.
Professional Advisory
Do not bypass light circuit wiring or modify connectors to make a harness fit. If the connector does not match, stop and identify the correct harness by model and parts diagram.
Product Questions & Answers
What is the current formatted number for 41B7418?
The current formatted number is commonly shown as 041B7418, with 41B7418 used as the older or shortened reference.
What production years are commonly associated with this harness?
LiftMaster references describe it for select LiftMaster and Chamberlain openers manufactured from about 2005 to 2015.
Is this harness only for dual-light openers?
Yes. It is intended for compatible opener heads that use a dual light system.
Can 41B7418 replace a 041A7790 harness?
Do not assume that. Similar harnesses can have different connectors and routing, so the model-specific parts diagram should decide the correct part.
What should be inspected before installing this harness?
Inspect the light sockets, board connector, wiring path, and original harness condition before installing the replacement.
