Skip to Main Content
Canadian
Canadian owned and operated

G340-8 - Miller G340-8 MIG Gun Backend Nut Replacement

Packaging: 1 per ea
$52.00/ea $36.58/1 per ea only $36.58/eaSave 30%

Usually ships within 3-5 business days

OVERVIEW

Reliable Miller G340-8 Backend Nut for MIG Guns

Maintain the integrity of your welding equipment with the Miller G340-8 Nut, Backend. In the demanding world of industrial welding, even the smallest components play a critical role in overall performance. This backend nut is a genuine Miller replacement part, designed specifically to secure the connection between your MIG gun cable assembly and the wire feeder or power pin. Over time, threads can wear down or components can become damaged during routine maintenance; replacing them with authentic Miller parts ensures your setup remains safe and operational.

At Josef Gas, we understand that downtime is costly. That's why we stock essential repair parts like the G340-8 to help you get back to work quickly. This nut is manufactured to Miller's exact specifications, guaranteeing a perfect fit for compatible gun models. A loose or damaged backend nut can lead to gas leaks, poor electrical conductivity, or wire feeding issues, all of which compromise weld quality. By installing a fresh G340-8 nut, you ensure a tight, reliable seal and a mechanical connection that withstands the rigors of daily use.

Whether you are repairing a damaged gun or performing preventative maintenance, choosing genuine Miller components is the best way to protect your investment. This part is built from durable materials capable of resisting the heat and mechanical stress typical of welding environments. Trust Josef Gas for all your welding consumables and replacement parts needs.

Key Benefits

  • Perfect Fit: Engineered by Miller for seamless compatibility with specific MIG gun backends.
  • Durability: Made from high-quality materials to resist wear and cross-threading.
  • Performance: Helps maintain proper gas shielding and electrical continuity by securing the gun assembly.
Additional Information
Packaging Description:1 Per Ea
Product Type:Backend Nut
Compatible Brand:Miller
Application:MIG Gun Repair
----- new values below ----
Product Type:Backend Nut
Compatible Brand:Miller
Application:MIG Gun Repair
Brand:Miller
Packaging Description:1 Per Ea

INCLUDED

  • 1 x Miller G340-8 Nut, Backend

APPLICATIONS

  • Repairing Miller MIG gun backend assemblies
  • Securing welding guns to wire feeders
  • Routine maintenance of welding equipment
  • Replacing stripped or damaged retaining nuts

FAQ

The G340-8 nut is used to secure the backend of a Miller MIG gun to the wire feeder or power pin adapter, ensuring a tight mechanical and gas seal.

Yes, this is a genuine Miller Electric replacement part, manufactured to the same specifications as the original component.

You should consult the parts breakdown manual for your specific Miller MIG gun model. Look for part number G340-8 in the backend assembly diagram.

It is typically manufactured from a durable metal alloy, such as brass or steel, designed to withstand industrial use and maintain thread integrity.

Yes, a loose nut can cause gas leaks, poor electrical connection, and wire feeding issues, leading to porosity and unstable arcs.

Generally, standard wrenches are sufficient to remove the old nut and install the new one. Ensure you do not overtighten to avoid stripping threads.

Yes, the Miller G340-8 is typically sold as a single unit (1 per each).