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LiftMaster/Chamberlain Replacement Model - 041A6104 Cable Tension Monitor Kit

SKU 700-LMC-041A6104
Original price $89.69 - Original price $89.69
Original price $89.69
$116.60
$116.60 - $116.60
Current price $116.60

GarageDoorProject® exclusively partners with US vendors, ensuring 100% OEM parts with all-new production dates. LiftMaster/Chamberlain 041A6104 Cable Tension Monitor Kit

ENHANCED DURABILITY: Engineered with high-quality materials to withstand daily wear and tear, ensuring long-lasting performance.

WIDE COMPATIBILITY: Designed for LiftMaster® and Chamberlain® Wall-Mounted Garage Door Openers, manufactured after 2015.

EASY INSTALLATION: Includes 33" wire for a straightforward replacement process, fitting seamlessly with existing setups.

RELIABLE FUNCTIONALITY: Helps monitor and maintain proper cable tension, enhancing the safety and operation of your garage door system.

Product Description

LiftMaster 041A6104 Cable Tension Monitor Kit Professional-Grade Wall Mounted Opener Sensor for RJO Series | GarageDoorProject | 100% OEM | US Vendor

The Cable Tension Monitor Kit is a vital component designed to maintain optimal cable tension for LiftMaster garage kits, ensuring smooth operation and enhanced garage door safety device performance. This professional-grade cable tension sensor is compatible with RJO series opener parts and wall mounted openers, preventing garage door failure by continuously monitoring cable tension. With precise compatibility for LiftMaster and Chamberlain models produced after 2015, this OEM garage door part guarantees durable garage hardware quality and reliable industrial door monitor functionality.


This kit includes a 33-inch wire for easy installation and features a bright yellow learn button for quick identification, making it an ideal replacement part for technicians and homeowners alike. Tested and backed by a 1-year limited warranty through GarageDoorProject®, it delivers peace of mind along with superior durability.


Key features of the Cable Tension Monitor Kit include:

- Compatible with LiftMaster 8500W, DDO8900W, RJO20C, and other discontinued models
- Monitors cable tension to prevent garage door failure and improve safety
- Includes 33" wire for hassle-free installation on wall mounted openers
- OEM garage door parts meeting strict manufacturer specifications
- Durable garage hardware built to withstand daily wear in industrial environments
- Supports both residential and light commercial applications

Technical specifications:

- Part Number: 041A6104
- Model/Series: RJO
- Wire Length: 33 inches (84 cm)
- Mounting Type: Wall-Mounted
- Manufacture Date: After January 1, 2015
- Warranty: 1-Year Limited Warranty

Compatible with various LiftMaster and Chamberlain systems, this Chamberlain cable monitor is an essential upgrade for anyone looking to maintain their wireless garage opener kit’s performance. The industrial door monitor design ensures long-lasting reliability while preventing costly downtime or repairs caused by improper cable tension.


Upgrade your garage door system today with this OEM Cable Tension Monitor Kit from GarageDoorProject®, the trusted US vendor specializing in durable garage hardware solutions. Designed specifically for RJO series opener parts, this kit provides professional-grade monitoring that helps extend the life of your wall mounted opener while enhancing overall safety.

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