0457357305 - ESAB Wire Feed Motor Assembly B501

Restore Your Wire Feeder's Performance

There is nothing more frustrating than a wire feeder that surges, stutters, or stops completely in the middle of a bead. Often, the culprit is a worn-out drive motor or a stripped gearbox. The ESAB Motor with Gearbox (Part Number 0457357305, Model B501) is the direct replacement you need to get your machine running like new again. Designed specifically for your ESAB equipment, this motor provides the steady, reliable torque needed to push solid, flux-cored, or aluminum wires smoothly.

Why Replace the Motor?
Over time, the brushes in a motor can wear down, or the gears inside the box can develop play, leading to inconsistent wire speeds. This inconsistency causes burn-backs, bird-nesting, and poor arc starts. By swapping in a fresh, genuine ESAB motor assembly, you eliminate these variables. The B501 unit comes fully assembled with the gearbox, meaning you don't have to fiddle with internal gears—just unbolt the old unit, disconnect the leads, and install the new one.

Built for the Shop
This isn't a generic aftermarket part; it's the same heavy-duty component installed at the factory. It is built to withstand the dust, heat, and long duty cycles of a professional welding shop. Whether you are repairing a breakdown or performing preventative maintenance on an aging feeder, this motor ensures your wire delivery remains precise, letting you focus on the puddle rather than fighting the machine.