York S1-8680-5391 Motor Mount

The York motor mount S1-8680-5391 is a precision-engineered replacement blower motor bracket designed for high-static residential and light commercial air handlers. This Johnson Controls OEM part features a heavy-duty motor mounting clamp configuration, specifically sized to secure 5.6-inch diameter (NEMA 48 frame) direct-drive blower motors. Unlike universal aftermarket brackets that may allow for excessive play, this HVAC blower housing mount ensures strict concentricity within the scroll, preventing premature bearing wear and catastrophic wheel failure. The steel construction is treated for corrosion resistance, maintaining structural integrity in high-humidity evaporator environments. Technicians should utilize this specific mount to maintain factory-spec vibration dampening and airflow clearance, ensuring the blower assembly operates within its designed decibel range and RPM thermal limits. This component is essential for restoring mechanical stability to York, Luxaire, and Coleman furnace or air handler units following a motor swap or bracket fatigue.

Technical Key Benefits

• Precision Fitment: Designed specifically for NEMA 48 frame motors to ensure a vibration-free seating within the blower housing.
• OEM Durability: Engineered by Johnson Controls to meet original equipment specifications for tensile strength and heat resistance.
• Simplified Installation: The clamp-on mechanism allows for rapid centering and securement of the motor without the need for specialized fabrication.
• Reduced Mechanical Noise: Dampens harmonic vibrations that lead to ductwork resonance and cabinet rattling.

Common Installation Questions

Is the York S1-8680-5391 compatible with all 5.6-inch motors?
It is designed for standard PSC and ECM motors with a 5.6-inch diameter shell, typically found in York, Coleman, and Luxaire HVAC equipment.

Does this mount require additional isolators?
While the clamp provides the primary structural support, it is recommended to inspect existing rubber grommets and replace them if they show signs of compression set or dry rot to ensure maximum isolation.

Can this bracket be used in high-heat furnace applications?
Yes, the metallurgical properties of this mount are rated for the high-temperature cycles associated with gas furnace blower compartments.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.