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37857 - ESAB HandyPlasma 125 Replacement Air Compressor Assembly

Packaging: pack of 1
$1,570.64/EA $941.03/pack of 1 only $941.03/EASave 40%

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OVERVIEW

Restore Your HandyPlasma's Cutting Power

Is your ESAB HandyPlasma 125 struggling to maintain an arc, or has the internal air compressor stopped running altogether? The ESAB 37857 Air Compressor HP-125 is the direct factory replacement you need to get back to work. Portable plasma cutters with built-in compressors are game-changers for mobile fabrication and HVAC work, but the internal pumps are hardworking components that may eventually require replacement after years of service. This OEM unit is the exact heart your machine needs to pump clean, compressed air to the torch once again.

Why Choose OEM?
When repairing a precision tool like a plasma cutter, "close enough" doesn't cut it. Generic air pumps may not fit the tight internal chassis of the HandyPlasma, or worse, they might not provide the specific CFM (Cubic Feet per Minute) and PSI (Pounds per Square Inch) required to cool the torch and eject molten metal. The ESAB 37857 is tuned perfectly for your machine, ensuring that you get the same cut capacity and duty cycle you had when the machine was new. It eliminates the guesswork of retrofitting and ensures your warranty and safety standards remain intact.

Performance and Durability
This compressor assembly is built to handle the rigors of a welding environment. It operates without oil, which is crucial for plasma cutting; oil in the air stream can ruin your electrodes and nozzles instantly. The motor is designed to handle the start-stop cycling typical of manual cutting operations. By replacing a worn-out compressor with this fresh unit, you will likely notice an immediate improvement in arc starting reliability and cut smoothness, as consistent air pressure is key to a stable plasma stream.

Get Back to Cutting Faster
Don't let a failed pump ground your operations. The ESAB 37857 is designed for a direct swap, minimizing downtime. Whether you are cutting thin gauge sheet metal for ductwork or doing light fabrication repairs, having a reliable internal air source is what makes the HandyPlasma series so versatile. Keep your equipment running at peak performance with this genuine ESAB replacement part.

Additional Information
Brand:ESAB
Product Type:Replacement Air Compressor
Packaging Description:1 Per Ea
Compatible Machine:HandyPlasma 125, HandyPlasma Series
Application:Plasma Cutting Air Supply
Part Type:Internal Compressor Assembly

INCLUDED

  • 1 x ESAB 37857 Replacement Air Compressor Assembly
  • Installation Mounts (if integrated)
  • Electrical Leads

APPLICATIONS

  • Replacement of failed internal air compressors in ESAB HandyPlasma 125 units.
  • Repair of portable plasma cutters with built-in air supply.
  • Restoration of plasma cutter air pressure and flow specifications.
  • Maintenance of mobile fabrication equipment.

FAQ

This compressor is primarily designed for the ESAB HandyPlasma 125 and potentially other specific models in the HandyPlasma series that feature internal air compressors. Please check your machine's parts manual to confirm compatibility.

Yes, this is a genuine ESAB Original Equipment Manufacturer part, ensuring it meets the exact specifications of your machine.

No, this is an oil-less compressor design, which is standard for plasma cutting applications to prevent contamination of the air supply and torch consumables.

This unit is a specialized component designed to fit inside specific welding/cutting power sources. It is not intended for use as a standalone general-purpose air compressor.

Symptoms include the machine failing to build pressure, the motor humming but not pumping, excessive noise/vibration, or the plasma arc sputtering due to inconsistent airflow.

Typically, the compressor assembly includes the motor and pump head. You may need to reuse existing rubber isolators or mounting screws from your machine depending on the specific revision.

The unit usually comes with the necessary leads to connect to the machine's internal power board, but always verify connections against your machine's schematic.

Installation requires opening the machine case and handling electrical connections. It is recommended for individuals comfortable with equipment repair or qualified technicians.