Skip to Main Content

21657 - ESAB PT-25 Electrode Holder Assembly

Packaging: pack of 1
$202.19/EA

Usually ships within 3-5 business days

SKU: ESB21657 Categories: ,

OVERVIEW

Genuine ESAB 21657 Electrode Holder Assembly for PT-25

The ESAB 21657 is a critical replacement component designed exclusively for the PT-25 plasma cutting torch. As the Electrode Holder Assembly, this part functions as the primary mechanical and electrical interface for the plasma electrode within the torch head. Precision manufacturing ensures that the electrode is seated concentrically with the nozzle and swirl ring, a requirement for maintaining a focused, high-density plasma arc and achieving clean cuts.

Engineered to OEM specifications, this holder assembly is built from high-grade conductive materials capable of withstanding the intense thermal cycles and electrical currents inherent in plasma cutting. Over time, the internal threads or contact surfaces of a holder can degrade due to wear, arcing, or overtightening. This degradation can lead to increased electrical resistance, poor arc starting, and reduced consumable life. Replacing a compromised holder with the authentic ESAB 21657 restores the electrical integrity of the torch.

This assembly is a direct-fit replacement, ensuring seamless maintenance of your PT-25 equipment. By using genuine ESAB parts, operators ensure compliance with safety standards and protect the longevity of the torch body. It is an essential spare part for maintenance teams managing older ESAB or L-TEC plasma systems utilizing the PT-25 platform.

Additional Information
Packaging Description:pack of 1
Brand:Esab
Item:Electrode Holder
Torch Model:PT-25
Part Type:Electrode Holder Assembly

INCLUDED

  • 1 x Electrode Holder Assembly (P/N: 21657)

APPLICATIONS

  • Plasma cutting operations using the PT-25 torch
  • Industrial metal fabrication
  • Automotive repair and restoration
  • HVAC ductwork cutting
  • Maintenance and repair of plasma systems

FAQ

This holder assembly is specifically designed for the ESAB PT-25 plasma cutting torch.

Yes, this is the authentic ESAB OEM part number 21657.

It mechanically secures the electrode inside the torch and conducts the electrical current required to generate the plasma arc.

No, this is the holder assembly only. Electrodes are consumable items sold separately.

You should replace it if the threads become stripped, if there is visible pitting or arcing damage on the contact surfaces, or if the electrode no longer seats firmly.

No, this part is exclusive to the PT-25 model and will not fit other torches like the PT-31.

Installation is generally straightforward for those familiar with torch maintenance, involving unscrewing the old assembly and seating the new one.