Medium Back Cap with O-Ring 57Y05 for 17/18/26 TIG Torches – 1 or 3 Pack

Medium 57Y05 back cap with O-ring for 17/18/26 TIG torches. Compatible with all 3-series torch bodies. Available as a single cap or a 3-pack. Durable and easy to install.

Medium Back Cap with O-Ring 57Y05 for 17/18/26 TIG Torches – 1 or 3 Pack

Medium Back Cap with O-Ring 57Y05 for 17/18/26 TIG Torches – 1 or 3 Pack

Medium Back Cap with O-Ring 57Y05 for 17/18/26 TIG Torches – 1 or 3 Pack

Medium Back Cap with O-Ring 57Y05 for 17/18/26 TIG Torches – 1 or 3 Pack

Medium Back Cap with O-Ring 57Y05 for 17/18/26 TIG Torches – 1 or 3 Pack

Medium Back Cap with O-Ring 57Y05 for 17/18/26 TIG Torches – 1 or 3 Pack

Medium Back Cap with O-Ring 57Y05 for 17/18/26 TIG Torches – 1 or 3 Pack

Medium Back Cap with O-Ring 57Y05 for 17/18/26 TIG Torches – 1 or 3 Pack

Medium Back Cap with O-Ring 57Y05 for 17/18/26 TIG Torches – 1 or 3 Pack

Medium 57Y05 back cap with O-ring for 17/18/26 TIG torches. Compatible with all 3-series torch bodies. Available as a single cap or a 3-pack. Durable and easy to install.

$7.99

  • Overview
  • Features
  • Specifications

Overview plus

This medium 57Y05 back cap is designed for 17/18/26 style TIG torches that use 3-series consumables. It includes an O-ring to ensure a secure, leak-free seal and proper tungsten clamping during welding.

Ideal as a replacement or spare part, this cap fits all major 17-, 18-, and 26-series torch bodies.

Available as a single piece or a 3-pack.

Warranty Information

3-Year Warranty

PrimeWeld offers a no-hassle 3-year warranty.* Click here to learn more.

Customer Support

Customer service, parts, technical support all located in the USA.

Click here to give us a call at (856) 500-2000.

Features plus

  • Medium-length back cap for 17/18/26 TIG torches

  • 57Y05 specification (3-series consumable)

  • Includes O-ring for proper sealing

  • Secures tungsten and closes the torch body

  • Heat-resistant, durable construction

  • Available in 1-pack or 3-pack

  • Compatible with CK17, CK18, CK26, WP-17, WP-18, WP-26, TL17, TL26, and most 3-series torches

Specifications plus

  • Part Number: 57Y05

  • Style: Medium back cap

  • Compatibility: 17/18/26 TIG torches (3-series)

  • Included: O-ring installed

  • Pack Options: 1-pack or 3-pack

  • Function: Secures tungsten; seals rear of torch body

  • Material: Heat-resistant plastic with rubber O-ring

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