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Bard part number 5051-194BX is an OEM boxed service condenser coil used in Bard wall mount packaged air conditioners to reject heat from the refrigerant and maintain proper head pressure for stable cooling performance. When the original outdoor coil is leaking, restricted, or badly corroded, replacing it with the correct Bard factory coil helps restore capacity, improve efficiency, and protect the compressor from abnormal operating conditions. Because condenser coils are model and revision specific, confirm the unit model and serial data and match the part number exactly before ordering to ensure proper fit, tubing orientation, and refrigeration connections.
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.