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KP55 - Lincoln Electric Magnum Gas Diffuser for 1/16-5/64 Inch Wire

Packaging: 1 Per Ea
$27.48/EA $17.69/1 Per Ea only $17.69/EASave 36%

Usually ships within 3-5 business days

OVERVIEW

Genuine Lincoln Performance for Your Magnum Gun

Keep your Lincoln Electric Magnum MIG gun running at peak performance with the genuine KP55 Gas Diffuser. As any experienced welder knows, the quality of your consumables directly impacts the quality of your bead. The gas diffuser is the unsung hero of the MIG gun front end, responsible for distributing shielding gas evenly around the weld puddle. The KP55 is specifically designed to provide superior gas coverage for larger diameter wires, accommodating sizes from 1/16 inch to 5/64 inch. This makes it the go-to replacement part for welders tackling heavy plate and structural projects.

Why choose the genuine Lincoln KP55? It comes down to fit and longevity. Cheap aftermarket knock-offs often suffer from poor machining, which can lead to gas turbulence—a primary cause of weld porosity and spatter. The Lincoln KP55 features precise gas ports that create a smooth, laminar flow of shielding gas, effectively pushing away oxygen and nitrogen to leave you with a clean, sound weld. Furthermore, its solid brass construction offers excellent heat dissipation, helping to keep your contact tip cooler and extending the life of your front-end consumables.

This diffuser is compatible with the industry-standard Magnum 200, 300, and 400 amperage guns, which are staples in shops across the country. Installation is straightforward, threading securely onto the gooseneck and providing a solid seat for your contact tip. A tight electrical connection is crucial for a stable arc, and the KP55 delivers just that, minimizing voltage drop and micro-arcing inside the gun head.

Don't let a worn-out diffuser compromise your work. Over time, diffusers can become clogged with spatter or damaged by heat, leading to erratic gas flow and poor arc starts. Swapping in a fresh KP55 is a quick and affordable maintenance step that restores your gun's performance. Trust in Lincoln Electric's legacy of quality to keep your welds strong and your downtime low.

Additional Information
Brand:Lincoln Electric
Packaging Description:1 Per Ea
Product Type:Gas Diffuser
Compatible Wire Diameter:1/16 in (1.6 mm), 5/64 in (2.0 mm)
Compatible Gun Series:Magnum 200, Magnum 300, Magnum 400
Material:Brass

INCLUDED

  • 1 x Lincoln Electric KP55 Gas Diffuser

APPLICATIONS

  • Heavy Structural Steel Fabrication
  • Shipbuilding and Marine Repair
  • Heavy Equipment Manufacturing
  • Industrial MIG (GMAW) Welding
  • Flux-Cored Arc Welding (FCAW-G)
  • General Maintenance and Repair

FAQ

The KP55 is designed for Lincoln Electric Magnum 200, 300, and 400 series MIG guns.

This diffuser is optimized for wire diameters ranging from 1/16 inch (1.6 mm) to 5/64 inch (2.0 mm).

It is manufactured from high-quality brass to ensure durability and electrical conductivity.

Yes, the gas diffuser threads onto the gun tube and the contact tip threads into the diffuser.

This item is sold individually (1 per package).

Yes, this is a genuine Lincoln Electric replacement part.

While it physically fits the gun, it is bored specifically for 1/16-5/64 liners. For smaller wires, a different diffuser model matching that wire range is recommended for optimal gas flow.

It ensures laminar gas flow to protect the weld pool and maintains a solid electrical connection to the contact tip.