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The Trane KEY0043 is a shaft key with dimensions three-eighths inches by three-eighths inches by three inches. It connects rotating shafts securely, preventing axial movement. Durable materials allow it to effectively transmit torque between components. This key is compact, making it suitable for tight spaces in different applications.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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