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W7004912 - ESAB Fabricator 141i/181i Wire Spool Hub Assembly

Packaging: pack of 1
$63.47/EA $46.27/pack of 1 only $46.27/EASave 27%

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OVERVIEW

Restore Your Welder's Performance with the ESAB W7004912 Wire Hub Assembly

For professional fabricators and hobbyists alike, the reliability of your welding machine is paramount. When you are in the middle of a critical project, the last thing you need is a wire feeding issue caused by a worn-out or broken spool holder. The ESAB W7004912 Wire Hub Assembly is the genuine OEM replacement part designed specifically for the popular Fabricator 141i and 181i multi-process welders. Originally branded under Thermal Arc and now part of the ESAB family, these machines are workhorses in the industry, and keeping them maintained with authentic parts is the best way to ensure their longevity.

This assembly is not just a simple plastic rod; it is the heart of your wire delivery system's stability. It holds the wire spool securely in place inside the machine cabinet. Over time, the constant friction of changing spools, the weight of the wire, and the heat of the environment can cause the original hub to crack or the tension mechanism to fail. When this happens, you might experience erratic wire feeding, spool wobbling, or the frustrating "birdnesting" where the wire unspools uncontrollably when the trigger is released. Installing a fresh W7004912 assembly eliminates these headaches instantly.

The kit comes as a complete unit, meaning you don't have to hunt for individual springs, washers, or retention caps. It is ready to install right out of the box. By replacing your old hub with this genuine ESAB part, you ensure that your 4-inch or 8-inch wire spools sit perfectly centered and rotate with the correct amount of drag. This precise control is what allows your drive rolls to feed wire smoothly to the gun, resulting in a stable arc and a better weld bead. Don't let a small plastic part compromise your weld quality; keep your Fabricator running like new with this essential replacement component.

Whether you are performing maintenance on a fleet of shop machines or fixing up your personal welder in the garage, the W7004912 is the exact fit you need. It is designed to match the mounting points inside the Fabricator chassis perfectly, ensuring a hassle-free repair that gets you back to welding in minutes.

Additional Information
Packaging Description:1 Per Ea, pack of 1
Compatible Models:Fabricator 141i, Fabricator 181i
Part Type:Spool Holder, Wire Hub Assembly
Component Group:Wire Drive System
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Compatible Models:Fabricator 141i, Fabricator 181i
Part Type:Wire Hub Assembly, Spool Holder
Component Group:Wire Drive System
Brand:ESAB
Packaging Description:1 Per Ea

INCLUDED

  • 1 x Wire Hub Assembly (Spool Holder)
  • Retention Cap/Nut
  • Tension Spring Mechanism
  • Mounting Hardware

APPLICATIONS

  • Machine Repair: Replacement of broken or cracked wire spool holders in Fabricator 141i/181i welders.
  • Maintenance: Restoring proper spool braking tension to prevent wire tangling and birdnesting.
  • Restoration: Refurbishing older Thermal Arc units to factory specifications.
  • Fleet Management: Essential spare part for shops running multiple Fabricator series machines.

FAQ

This wire hub assembly is specifically designed for the Thermal Arc and ESAB Fabricator 141i and Fabricator 181i multi-process welders.

Yes, the W7004912 comes as a complete assembly, including the hub, the tensioning mechanism, and the retention cap/nut to secure the spool.

Spool wobble is often caused by a worn or damaged wire hub. Replacing the hub with this part (W7004912) should restore stability and smooth feeding.

Yes, this hub assembly features a tensioning mechanism that allows you to adjust the brake drag, preventing the spool from spinning too freely when you stop welding.

This is a genuine OEM part from ESAB (formerly Thermal Arc), ensuring perfect fitment and material quality for your machine.

It supports the standard spool sizes designed for the Fabricator 141i/181i, typically 4-inch (1-2 lb) and 8-inch (10-12 lb) spools.

Signs include visible cracks in the plastic, inability to tighten the spool brake, the spool falling off the mount, or severe wobbling during welding.

The assembly typically includes the necessary components to mount it to the chassis, but you should retain your original screws just in case.