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Two white ceramic insulators for large-diameter gas lenses

Miller - Weldcraft

Miller - Weldcraft 54N63 Large-Dia Gas Lens Insulator PK2

SKU CH-VW3M-PK25E

Pack of two large-diameter gas lens insulators compatible with multiple 17, 18 and 26 series TIG torches

  • Product typeTools
  • Fits a wide range of TIG torch models including 17, 18 and 26 series
  • Large-diameter gas lens insulator improves shielding gas coverage for cleaner welds
  • Supplied as a pack of two for convenient replacement or spares
  • Designed for Miller Weldcraft torches ensuring reliable compatibility
  • Genuine Miller Electric part manufactured to original equipment specifications

Miller Weldcraft 54N63 Large-Diameter Gas Lens

The Miller Weldcraft 54N63 is a pack of two large-diameter gas lens insulators designed for TIG welding torches. These components fit inside compatible gas lens assemblies to help shield the weld zone with smooth, consistent gas coverage. They are sold new and ready for workshop or field use.

Suited for welders running compatible Miller

This insulator pack suits operators using WP-17, WP-18, WP-26, CS410A, HW-17, HW-26, PTA-17, PTA-26, PTW-18, WP-R17 or WP-R26 series torches, including flex, valve and high-capacity variants. It will not fit standard collet-body torches that do not accept a large-diameter gas lens, nor will it suit torches outside the listed compatibility range.

Large-diameter gas lens insulator compatibility

The critical specification is the large-diameter gas lens insulator design matched to the extensive model list including 17, 18, 26, 410, 301525 and 301526 series torches. Verifying your torch model against this list is the single step that confirms the part will seat and seal correctly.

How it compares

Measured against everything we stock in Welding Equipment & Positioners, at today’s prices. Recalculated every night.

Price $22.99
Cheaper than about 72% of the 1,978 comparable items (median $50.99).

Specifications

Product
Brand nameMILLER ELECTRIC
Product typeTools

Questions about this item

Which TIG torch models accept the 54N63 large-diameter gas lens insulator?

It fits Miller Weldcraft torches including the WP-17, WP-17F, WP-17V, WP-18, WP-18V, WP-26, WP-26F and WP-26V series, plus the matching HW and PTA variants.

Will this insulator work with my existing WP-17 series torch head?

Yes, the 54N63 is listed as compatible with WP-17, WP-17F, WP-17V, WP-17FV and the WP-R17FV flexible-head models.

How can I confirm the insulator is seated correctly after installation?

The insulator should sit flush inside the large-diameter gas lens body with no visible gap, and shielding gas must flow evenly through the lens screen when the torch is triggered.

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