Lennox 19U19 Blower Pulley 1-3/16 Inch Bore Belt Drive HVAC Replacement

The Lennox 19U19 is an OEM replacement blower pulley designed for use in Lennox belt-drive HVAC systems including furnaces, commercial air handlers, and package units. With a 1-3/16 inch bore diameter, this driven pulley mounts directly onto the blower shaft and works in conjunction with the drive belt to transfer rotational force from the motor to the blower assembly.

Key Features:

• Bore Size: 1-3/16 inch finished bore for precise shaft fitment
• Designed as a driven (blower) pulley in belt-drive blower systems
• OEM Lennox replacement part ensures proper fit and function
• Engineered for consistent belt alignment and tension to support efficient airflow
• Compatible with Lennox belt-drive furnaces, air handlers, and rooftop package units
• Durable cast construction for long service life in continuous-duty HVAC applications

Using genuine OEM Lennox pulleys helps maintain proper belt alignment and system efficiency, reducing wear on the drive belt and blower motor bearings. This pulley is an essential replacement component for restoring proper airflow performance in belt-driven Lennox HVAC equipment.