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Bard 8552-050BX - Dual run capacitor 40/5 370V

The Bard 8552-050BX is an OEM dual run capacitor rated 40/5 MFD at 370 VAC, commonly used in Bard wall mounted HVAC equipment to provide the proper phase shift and stable capacitance needed for reliable compressor and condenser fan motor operation. A weak or failed capacitor can cause hard starting, overheating, nuisance trips, or a fan that will not come up to speed, so replacing with the correct 40/5 rating is critical for proper performance. This Bard factory part is sized as a 2-1/2 inch round capacitor and is supplied boxed, making it a dependable direct replacement for older Bard part 8552-050 when your unit requires the exact OEM specification and fit.


  • Technical Specifications
  • Product number: 8552-050BX
  • Manufacturer description: Capacitor 40/5Mfd 370V 2-1/2"R Boxed
  • Weight: 0.800 lbs
  • HTS Code: "8415.90.8085"

  • Previous Versions
  • 8552-050 (Obsolete, superseded by 8552-050BX)

$34.00 *

* Orders less than $50 may incure a minimum order fee.

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.