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Lincoln SP Series MIG Gun Replacement Review: Fit Guide

lincoln sp series review

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This is a third-party replacement MIG gun, listed as XLIAN-style and “Lincoln compatible”, for Lincoln SP series welders such as the SP-100T, SP-125 Plus, SP-130T, SP-135 Plus and SP-135T. It has a 10 ft cable according to the listing. It is worth considering if your original gun is damaged or you want a longer lead for an SP series machine. Skip it if you have a different Lincoln model or you need factory-original parts for warranty reasons.

Lincoln SP series MIG gun at a glance

Item Per the listing
Type Replacement MIG gun with cable and trigger
Listed compatibility Lincoln SP-100T, SP-125 Plus, SP-130T, SP-135 Plus, SP-135T
Cable length 10 ft
Listed weight and size 3.52 lb; 12.4 x 11.77 x 2.6 in (likely package size, so check the listing)
Brand Third-party; not made by Lincoln Electric

Specs come from the seller. Confirm them on the current listing.

Check current price on Amazon →

What it is and who it suits

A MIG gun carries wire, shielding gas and welding current from the machine to the joint. If the cable is kinked, the liner is clogged, or the trigger or neck is damaged, a replacement gun is often cheaper than a new welder.

This one targets owners of small Lincoln SP series wire-feed welders who want a drop-in spare. It is a hobby and light-fabrication choice rather than an industrial one.

How to check it fits your welder

  • Match the exact model on your machine’s data plate to the compatibility list. Lincoln has several similar names, so a close name is not enough.
  • Check the connector. The gun must plug into your machine’s wire-feed connection and trigger harness. Compare photos of the plug with your existing gun.
  • Check the contact tip and nozzle style, and keep a spare tip for your wire diameter.
  • Confirm the gun’s rated amperage covers what your machine delivers at its duty cycle.
  • Check the liner type and whether it suits your wire (steel liner for steel; aluminum needs different equipment).

Pros and limitations

Pros

  • A longer 10 ft cable gives more reach around a project.
  • Third-party replacements are usually cheaper than original guns.
  • Consumables like tips and nozzles can be swapped and kept as spares.

Limitations

  • Fit is limited to the listed models. Do not force a mismatched connector.
  • Wire-feed trouble can come from the liner, tip, drive roll or tension, and not only the gun. Buyers of replacement guns commonly report needing to adjust or replace the liner.
  • A longer cable can feed less smoothly, especially with soft wire, so keep it as straight as possible.
  • Not suited to aluminum without the right equipment and wire.

Setup and care tips

  1. Unplug the welder before connecting the gun.
  2. Route the cable without sharp bends and secure the connector firmly.
  3. Match the contact tip bore to your wire (0.030 or 0.035 in are common on small machines; check your manual).
  4. Set drive-roll tension just enough to feed without crushing flux-core wire.
  5. Clean spatter from the nozzle, and replace worn tips and liners promptly.
  6. Use the gas your wire needs: C25 argon and CO2 for solid wire, or none for self-shielded flux-core.

Weld in a ventilated area, wear a proper helmet and leather gloves, and keep flammables away.

View current listing on Amazon →

Frequently Asked Questions

Which Lincoln welders does this MIG gun fit?

The listing names the SP-100T, SP-125 Plus, SP-130T, SP-135 Plus and SP-135T. Confirm your model on the data plate and compare the connector with your current gun. Do not assume other Lincoln machines are compatible.

Is this gun made by Lincoln Electric?

No. It is a third-party replacement described as compatible. That can mean a lower price, but parts and warranty are not handled by Lincoln. Check the seller policies and return terms before buying.

Why does my wire feed badly with a new gun?

Common causes are the wrong tip size, drive-roll tension, a dirty or incorrect liner, or a kinked cable. Check each of these before blaming the gun. Replace the liner if the wire drags.

Can I weld aluminum with this gun?

Not with a standard setup. Aluminum wire is soft and needs the right liner, drive rolls, 100 percent argon and usually a spool gun. This gun is intended for steel wire on small Lincoln machines.

Conclusion

A compatible replacement gun can bring an SP series Lincoln back to work, but only if the model and connector match. Check your exact machine, then keep spare tips and a liner on hand.

See it on Amazon →

Alfred Chase
Alfred Chase
Writes about welding technique, safety and shop gear at GarageWelding.

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