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The Bard 8602-049 Crank Arm Assembly is an OEM mechanical linkage part used in Bard wall-mount HVAC equipment to translate actuator movement into smooth, repeatable motion for damper or linkage operation. When a crank arm is worn, bent, or loose, you can see poor damper travel, inconsistent ventilation control, or binding that overworks the actuator. Replacing 8602-049 restores proper geometry and reliable movement so the connected damper or mechanism can open and close as designed. Confirm your unit model and parts list before ordering to ensure correct fit with your specific Bard linkage setup.
* Orders less than $50 may incure a minimum order fee.