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Is your welder sputtering or feeding wire inconsistently? It might be time to check your drive system. The Lincoln Electric KP3992-035 Idler Roll is the direct replacement part you need to get your machine running like new again. Designed specifically for .035" wire, this pressure roll sits on top of your wire and pushes it against the drive roll. Over time, these rolls can develop flat spots, grooves, or seized bearings, leading to frustrating wire slippage and erratic arcs that ruin your beads.
Swapping out a worn idler roll is one of the easiest and most effective maintenance tasks you can perform on your MIG welder. A fresh KP3992-035 ensures that the wire is gripped evenly, providing a steady feed rate that allows you to focus on your puddle rather than fighting the gun. This roll is built with Lincoln's quality standards, meaning it fits perfectly and lasts through spool after spool of wire.
Don't let a small part cause big headaches in your shop. If you are running .035 wire and notice feeding issues, inspect your idler arm and roller. If it looks worn or doesn't spin freely, this replacement part is the solution. It installs in seconds and restores the traction needed for smooth, consistent welding in automotive, repair, or hobbyist projects.
| Additional Information |
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| Brand:Lincoln Electric |
| Packaging Description:1 Per Ea |
| Wire Diameter:0.035" |
| Product Type:Idler Roll |
| Compatible Brand:Lincoln Electric |
