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Pickup available at 75 Blue Mountain St #3
Usually ready in 24 hours
Not sure this fits your furnace? Call us — we're happy to help
This 1/4 inch x 1/4 inch square motor shaft key is a vital mechanical component used to lock pulleys, blower wheels, and drive gears securely onto a rotating motor shaft. By fitting precisely into the keyway of both the shaft and the attached component, it ensures a positive drive and prevents slippage during operation. Ideal for HVAC blowers, furnace fan motors, and industrial air handling units, this replacement key is essential for maintaining efficient torque transfer and system reliability. Whether you are repairing a belt-driven ventilation system or performing routine motor maintenance, this durable square key stock provides the necessary shear strength to handle high-rotational loads and prevent mechanical failure.
Our team is happy to help you verify compatibility before you order. We'll confirm it fits your specific furnace model.
1-778-759-9864Mon–Sat 8AM–9PM PST · Or email parts@bcfurnace.com
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