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If you are pushing aluminum through a Cobra Max, Python, or Prince XL gun, you know that friction is the enemy. The moment your wire starts dragging in the barrel, you get erratic feeding, burn-backs, and frustration. That is where the MK Products 931-0137 Teflon Liner comes in. This isn't just a generic plastic tube; it's a dedicated 8-inch barrel liner designed to keep your aluminum wire moving freely right up to the contact tip.
Aluminum wire is soft. If it hits a steel liner or a dirty, worn-out guide, it shaves. Those shavings clog up your tip and liner, causing the wire to stick and the drive rolls to slip or grind. By using these fresh Teflon liners, you provide a slick, clean path for the wire. This specific liner fits the neck (barrel) of your gun, which is often the area subjected to the most heat and bending stress. Because it takes a beating, it needs to be changed more often than the main conduit liner.
This pack contains five liners, so you can keep a few in your toolbox or on your rig. Changing them out is a quick maintenance task that can save you hours of troubleshooting later. When you notice your arc starting to stutter or the wire hesitating, checking your barrel liner should be one of your first steps. A fresh 931-0137 liner restores that smooth, buttery feed that MK push-pull guns are famous for.
Don't let a cheap or worn-out liner ruin your aluminum welds. Stick with genuine MK parts to ensure your equipment runs exactly how it was designed to. These liners are pre-cut to 8 inches, making installation a breeze—just swap the old one out and get back to laying dimes.
| Additional Information |
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| Packaging Description:pack of 5 |
| Item:Liner |
