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Bard 8552-051BX - Dual run capacitor 40/5 MFD 440V

The Bard 8552-051BX is an OEM dual run capacitor rated 40/5 MFD at 440VAC in a compact 2-1/2 inch round body, used to support reliable starting and steady operation of the compressor and condenser fan motor in many Bard wall-mount air conditioner and heat pump units. When a weak capacitor causes hard starts, fan issues, or nuisance shutdowns, replacing it with the correct Bard-specified capacitance and voltage helps restore proper motor torque, smoother operation, and normal cooling performance. Verify the MFD ratings printed on your existing capacitor and confirm model compatibility before ordering to ensure proper fit and safe operation.


  • Technical Specifications
  • Product number: 8552-051BX
  • Manufacturer description: Capacitor 40/5Mfd 440V 2-1/2"R Boxed
  • Weight: 0.800 lbs
  • HTS Code: "8532.25.00.20"

  • Previous Versions
  • 8552-051 (Obsolete, superseded by 8552-051BX)
  • 8552-016 (Obsolete, superseded by 8552-051)

$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.