
Every welder knows that a smooth arc starts with smooth wire feeding. If you are running 3/64" wire and noticing erratic feeding, sputtering, or the dreaded bird-nest at your drive rolls, it might be time to check your guide tubes. The ESAB 21168 Guide Tube Liner is the genuine replacement part you need to restore the performance of your ESAB wire feeder. Designed specifically to handle the 3/64" wire diameter, this guide tube acts as the highway for your filler metal, ensuring it travels straight from the rolls into your gun without snagging or shaving.
Over time, welding wire cuts grooves into guide tubes just like a saw. Once that groove forms, your wire drags, causing friction that your drive motor has to fight against. This friction leads to inconsistent wire speeds, which you feel as a pulsing or unstable arc at the contact tip. By swapping out your old, worn guide tube with a fresh ESAB 21168, you eliminate that friction point. The result is a consistent wire feed speed that allows you to focus on your puddle manipulation rather than fighting your machine.
This guide tube is built tough to handle the rigors of a shop environment. Whether you are fabricating structural steel or doing heavy repairs, the 'S' series liner is optimized for steel wires, providing the hardness needed to resist rapid wear. It fits perfectly into the feeder assembly, meaning no modifications or struggling to get it seated correctly. It is a small part that makes a massive difference in your daily welding experience.
Don't let a five-dollar problem cause a five-hundred-dollar headache. Keep a spare ESAB 21168 in your toolbox. When you change your drive rolls or liners, take a second to inspect the guide tube. If it looks ovaled out or clogged with debris, replace it. Your feeder will run quieter, your wire will feed smoother, and your welds will look better. Trust genuine ESAB parts to keep your equipment running like the day you bought it.
| Additional Information |
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| Brand:ESAB |
| Packaging Description:1 Per Ea |
| Wire Diameter:3/64" |
| Component Type:Guide Tube Liner |
| Material Compatibility:Steel |
| Application:Wire Feeding System |