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Bard part number 921-0123BX is an OEM fan shroud assembly supplied boxed, used in Bard wall-mounted HVAC equipment to properly position and surround the condenser fan so airflow is directed through the coil the way the unit was engineered. A damaged or missing shroud can lead to poor heat rejection, higher head pressure, added noise, and reduced capacity, so replacing it with the correct Bard factory shroud is a practical fix when servicing units with bent sheet metal or fan-related vibration issues. As a genuine Bard replacement, 921-0123BX is intended to match original fit and mounting points to help restore correct airflow management and protect the fan area for normal 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.