The Lennox Y9377 – Mars 12927 Run Capacitor is a high-quality 3 MFD, 440 VAC oval motor run capacitor designed to deliver consistent performance in residential and light commercial HVAC systems. Engineered for condenser fan motors and blower motors, this OEM-compatible replacement helps maintain proper motor torque, improve efficiency, and ensure smooth system operation.

Whether you are servicing an air conditioner or heat pump, replacing a weak or failed run capacitor with the correct 3 microfarad 440V capacitor is critical for restoring reliable startup and continuous motor performance.

Reliable Motor Performance & System Efficiency

A properly functioning run capacitor stabilizes voltage and supports continuous motor operation. The Mars 12927 3 MFD 440V capacitor helps:

• Maintain consistent condenser fan motor operation
• Improve overall HVAC system efficiency
• Reduce motor overheating and premature wear
• Restore proper airflow and cooling performance

Its 440 VAC rating provides added durability and voltage tolerance compared to lower-rated capacitors, making it a dependable choice for long-term HVAC operation.

Built for HVAC Service Professionals

The Lennox Y9377 capacitor features a durable metal oval can design suitable for standard mounting configurations inside condenser units and air handlers. It is designed for quick installation and reliable fitment in compatible HVAC systems requiring a 3 MFD 440V run capacitor.

Specifications:

Brand: Mars
Lennox Catalog Number: Y9377
Model: 12927
Capacitance: 3 MFD (Microfarads)
Voltage Rating: 440 VAC
Shape: Oval
Type: Motor Run Capacitor
Application: Condenser Fan Motors and HVAC Blower Motors

Common Applications

• Air conditioner condenser fan motors
• Heat pump outdoor fan motors
• HVAC blower motor applications requiring 3 MFD 440V
• Residential and light commercial HVAC systems

Using the correct microfarad rating is essential. Installing the exact 3 MFD capacitor ensures proper motor phase shift, optimal torque, and extended equipment life.

At Beenimax, we supply OEM and professional-grade HVAC replacement parts trusted by contractors and technicians. Every capacitor is carefully sourced to meet industry performance standards, ensuring you receive dependable components for your HVAC repair or maintenance job.

If your system is experiencing hard starts, humming motors, or fan failure, replacing a weak or failed run capacitor like the Lennox Y9377 – Mars 12927 can quickly restore proper operation.

Order the Lennox Y9377 – Mars 12927 3 MFD 440 VAC Oval Run Capacitor today from Beenimax and keep your HVAC system running efficiently and reliably.