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0455050001 - ESAB Mek 4C Wire Feeder Tension Spring

Packaging: 1 per ea
$72.47/ea $43.42/1 per ea only $43.42/eaSave 40%

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OVERVIEW

Keep Your ESAB Feeder Running Smoothly

Every welder knows the frustration of a wire feeder that just won't cooperate. You're in the middle of a bead, and suddenly the wire stutters, slips, or bird-nests because the drive rolls aren't gripping properly. Often, the culprit isn't the motor or the liner—it's a small, inexpensive part like a tension spring that has lost its strength. The ESAB Spring Euro Mek 4C (0455050001) is the genuine replacement part you need to get your ESAB Mek 4C wire feeder back to peak performance.

This spring is the heartbeat of your feeder's tension system. It provides the necessary force to clamp the wire between the drive rolls, ensuring a steady, uninterrupted flow of wire to your torch. When this spring gets old or weak, you have to crank down the tension knob harder to get the same grip, which can deform your wire and cause liner drag. Instead of fighting your machine, swap out the tired spring with this brand-new ESAB original. It’s a quick fix that can save you hours of troubleshooting and frustration.

Don't settle for generic hardware store springs that might not fit or hold tension correctly. This part is built specifically for your ESAB equipment, guaranteeing the right fit and the right pressure. Whether you are doing routine maintenance in the shop or fixing a breakdown in the field, keeping a spare 0455050001 spring in your kit is a smart move. It ensures that when you pull the trigger, you get the smooth, consistent wire feed you expect from a quality ESAB machine.

Additional Information
Brand:ESAB
Packaging Description:1 Per Ea
Product Type:Replacement Spring
Compatibility:ESAB Mek 4C Wire Feed Mechanisms, Euro Connector Assemblies
Material:Spring Steel

INCLUDED

  • 1 x ESAB Spring (0455050001)

APPLICATIONS

  • Repairing ESAB Mek 4C wire feed mechanisms
  • Restoring tension in Euro connector assemblies
  • General maintenance of ESAB MIG welding systems
  • Fixing wire slippage issues caused by worn springs

FAQ

The official ESAB part number is 0455050001.

Yes, this is a genuine ESAB Original Equipment Manufacturer part.

It is designed for ESAB wire feeders using the Mek 4C mechanism and related Euro connector assemblies.

Springs lose tension over time due to metal fatigue. A weak spring causes wire slippage and poor weld quality.

It is not recommended. OEM springs have specific tension rates required for proper wire feeding without damaging the wire.

It is typically used in the tensioning mechanism or the Euro connector block of the Mek 4C system.

If you have to overtighten your tensioner to stop the wire from slipping, or if the tension feels spongy, the spring is likely worn.

No, this is a bulk replacement part. Please refer to your machine's service manual for the exploded view and installation procedure.