LiftMaster 41B4245 Line Cord (041B4245-1)
Restoring safe and reliable power to your automated overhead system starts with a secure electrical connection. The LiftMaster 41B4245 Line Cord (frequently cataloged as 041B4245-1) is an essential OEM Gate Part and a critical replacement component engineered exclusively for Chamberlain Group garage door operators. Over time, original power cords can become pinched, frayed, or damaged due to environmental hazards or structural shifting, posing a severe electrical and fire risk. Whether a professional installer is rebuilding a commercial access control system or a homeowner is replacing a chewed cord, this heavy-duty, grounded line cord guarantees your operator receives a steady, continuous 120V power supply for dependable daily operation.
Key Features & Benefits
• Heavy-Duty Thermoplastic Insulation: Shields the internal copper wiring from environmental wear, chemical exposure, and temperature fluctuations, ensuring maximum electrical safety in uninsulated or damp garage environments.
• OEM Factory Specifications: Matches the precise voltage rating and wire gauge demanded by the Chamberlain Group, eliminating the risk of overheating, motor starvation, or logic board damage common with generic aftermarket cords.
• Integrated Grounding Plug: Features a standard 3-prong grounded connection (NEMA 5-15P) that safely channels electrical faults away from the operator, protecting sensitive internal electronics from sudden short circuits.
• Pre-Prepped Wiring Leads: Engineered with factory-stripped and tinned internal connections designed to integrate seamlessly with the motor's power terminal, drastically reducing on-site wire splicing and installation time for professional technicians.
• Integrated Strain Relief Compatibility: Perfectly sized to fit the operator chassis's molded strain relief slot, preventing the cord from being accidentally yanked or disconnected from the internal logic board.
Smart Compatibility Guide
This electrical component is a manufacturer-specific replacement part engineered strictly for the Chamberlain Group's residential and light-commercial operator architecture.
• Supported Brands: LiftMaster, Chamberlain, Sears Craftsman, Raynor, and Master Mechanic.
• Supported Systems: Standard 120V AC residential and light-duty commercial overhead garage door openers.
• Cross-Reference Part Numbers: This item acts as a direct, exact-fit mechanical and electrical replacement for alternate catalog numbers including 041B4245-1, 41B4245-1, and 41B4245.
Professional Specifications
Specification Detail
Primary Part Number 41B4245
Alternate Numbers 041B4245-1, 41B4245-1
Manufacturer LiftMaster / Chamberlain Group
Electrical Rating 120V AC / 60Hz
Plug Configuration 3-Prong Grounded (NEMA 5-15P)
Insulation Material Heavy-duty flexible thermoplastic
Component Type Main electrical power supply cord
Frequently Asked Questions (FAQs)
1. How do I know if I need to replace my operator's line cord?
You should immediately replace the line cord if you observe exposed copper wiring, severe kinks, cuts in the outer thermoplastic insulation, or if the grounding prong has been broken off. Additionally, if your unit randomly loses power and wiggling the cord restores it, the internal wires have likely fractured and require replacement.
2. Can I simply splice an extension cord to fix my broken power cord?
No. Splicing standard household extension cords to repair a garage door operator is highly dangerous, violates local building and fire codes, and immediately voids the manufacturer's warranty. You must use the 41B4245 OEM replacement cord to safely handle the motor's amperage draw.
3. Does installing this line cord require opening the motor housing?
Yes. The line cord routes through the external metal chassis and connects directly to the internal terminal block or wiring harness near the logic board. Ensure the unit is completely disconnected from any power source before removing the outer cover to perform this replacement.
4. Is this cord compatible with 220V/240V international operators?
No, the 41B4245 line cord is engineered strictly for standard 120V North American electrical outlets. It cannot be used safely or functionally with international 220V/240V operators or specialized commercial high-voltage systems.
5. What is the difference between the 41B4245 and the 041B4245-1?
There is absolutely no electrical or physical difference between these parts. The Chamberlain Group periodically updates its internal inventory and cataloging system; the prefix "0" and the suffix "-1" simply represent updated packaging codes for the exact same OEM line cord.
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