36871 - ESAB MT-250SG Spool Gun Barrel Liner (White)

Restore Your Spool Gun Performance

If you are running an ESAB MT-250SG spool gun, you know that smooth wire feeding is the key to a perfect aluminum weld. When your wire starts to stutter, drag, or burn back to the tip, the culprit is often a worn-out liner. The ESAB 36871 Liner Barrel is the genuine replacement part you need to get your gun running like new again. This isn't just a generic plastic tube; it is the specific white barrel liner engineered to fit perfectly inside the neck of your MT-250SG, ensuring that your wire glides effortlessly from the spool to the puddle.

Welding aluminum is challenging enough without fighting your equipment. Soft aluminum wire is prone to kinking and shaving if it encounters any friction or rough spots in the feed path. This white liner is made from a slick, durable polymer that cradles the wire and minimizes drag. This is crucial for preventing those frustrating "bird nests" at the drive rolls that stop production cold. By replacing your old, dirty, or kinked liner with this fresh OEM part, you eliminate one of the biggest variables in your welding setup, allowing you to focus on your travel speed and bead appearance rather than troubleshooting feed problems.

Installation is straightforward and should be part of your regular gun maintenance routine. If you notice that your wire feed speed seems to fluctuate or if you feel excessive resistance when feeding wire through the barrel, it is time to swap it out. Keeping a spare 36871 liner in your toolbox is a smart move for any welder relying on the MT-250SG for critical work. Don't let a cheap consumable part ruin your expensive workpiece; stick with genuine ESAB parts to maintain the reliability and performance you expect from your tools.

Whether you are fabricating boat hulls, repairing trailers, or doing custom aluminum work, the consistency of your wire delivery defines the quality of your weld. This liner ensures that the wire is supported and protected right up to the contact tip. It is a small investment that pays off in smoother arcs, fewer stoppages, and less frustration at the bench. Get your MT-250SG back in top fighting shape with the correct liner designed specifically for the job.