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Bard part number 5151-004BX is an OEM condenser fan blade used on Bard wall mount air conditioners to move outdoor air across the condenser coil for proper heat rejection and stable system pressures. This 20 inch, 3 blade, counterclockwise (CCW) rotation blade is the correct match when your original fan is bent, cracked, out of balance, or causing vibration and noise. Using the proper OEM blade helps protect the condenser fan motor and restores designed airflow, which supports reliable cooling and overall unit efficiency. Verify rotation direction, diameter, and hub fit to your existing blade before ordering to ensure proper performance and safe operation.
Bard uses suffixes like "BX" to manage parts internally. These do not change the physical form or function of the part.
A part number ending in "BX" simply means it is packaged in a box for shipping, rather than for internal assembly use.
Example: 8406-142BX is physically identical to 8406-142.