
Is your MIG gun sputtering, stuttering, or feeling like the wire is dragging? It might be time to replace your liner. The Thermal Arc 8-4011 Replaceable Liner is the fix you need to get back to laying down smooth beads. The liner is the backbone of your wire delivery system; it’s the highway your welding wire travels down to reach the puddle. When that highway gets clogged with dirt, rust, or metal shavings, your wire feed becomes inconsistent, leading to frustrating burn-backs and an unstable arc. Swapping out an old, kinked, or dirty liner for a fresh 8-4011 can make an old torch feel brand new again.
Designed for durability and performance, this steel liner is built to handle the twists and turns of daily welding work. Whether you are fabricating in the shop or doing repairs in the field, you need a liner that won't collapse or bind up when you manipulate the gun. The 8-4011 offers excellent support for the wire, preventing it from buckling inside the cable. This is especially important when using softer wires or working with longer gun cables where friction is the enemy. Regular replacement of your liner is one of the cheapest and most effective ways to prevent downtime and frustration.
Installation is straightforward for experienced welders. Simply remove the old liner, slide the new 8-4011 into the back of the gun, and trim it to the correct stick-out length for your specific setup. Don't let a $20 part ruin a day's worth of welding. Keep a spare Thermal Arc 8-4011 in your toolbox so you are always ready to tackle feed issues the moment they arise. This part is essential for anyone running Thermal Arc equipment who demands consistent, reliable performance from their MIG welder.
Why Welders Choose This Liner:
| Additional Information |
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| Brand:Thermal Arc |
| Product Type:MIG Gun Liner |
| Packaging Description:1 Per Ea |
| Part Number:8-4011 |
| Reference Number:47X1581 |
| Component Type:Conduit Liner |