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Bard 509-421BX - Upper back assembly
Bard 509-421BX is an OEM Upper Back Assembly used on Bard wall-mount air conditioner cabinets to restore the correct rear cabinet structure and panel fit where the unit mounts against the building. This replacement back section helps keep the cabinet properly sealed and supported so internal components stay protected and service panels align the way the factory intended, which is especially important on outdoor-exposed installations. Since this is a Bard factory part, it is built to match original mounting points and cabinet geometry for compatible Bard models, so confirm the unit model and serial before ordering to ensure the correct revision for your cabinet.
- Technical Specifications
- Product number: 509-421BX
- Manufacturer description: Upper Back Assy - SS - Boxed
- HTS Code: "8415.90.8085"
- Previous Versions
- S509-421 (Obsolete, superseded by 509-421BX)
$911.00
What does the "BX" suffix mean?
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.