Skip to Main Content
Canadian
Canadian owned and operated

246620 - Miller Left-Hand Wind Tunnel Housing Replacement

Packaging: 1 PER EA
$320.86/EA $197.69/1 PER EA only $197.69/EASave 38%

Usually ships within 3-5 business days

OVERVIEW

Restore Your Welder with the Miller 246620 Windtunnel, LH

Keep your Miller welder running cool and clean with the Miller 246620 Windtunnel, LH. This is an authentic replacement part for the left-hand side of the internal wind tunnel assembly found in select Miller welding machines. If your machine's internal housing has been damaged during transport, maintenance, or rough job site use, this part is the exact replacement you need to get it back to factory condition.

The "Wind Tunnel" inside your Miller welder isn't just a plastic cover; it is a functional component that manages airflow. It channels the cooling air from the fan directly over the parts that get hot—like the heatsinks and power modules—while blocking that dirty air from hitting the sensitive computer boards. If this part is broken, air might escape where it shouldn't, or dust might settle where it can cause damage. Replacing the 246620 ensures that the airflow goes exactly where the engineers intended.

Installation of this OEM part is straightforward for technicians familiar with Miller equipment repair. Because it is a genuine Miller part, the mounting points, dimensions, and material quality match the original exactly. There is no need for modification or "making it fit." It simply drops into place, restoring the structural integrity of the machine's internal chassis.

Don't risk the longevity of your welder by using damaged internal components or makeshift repairs. A proper cooling path is vital for hitting those high duty cycles and preventing thermal shutdowns. Trust in genuine Miller parts to keep your shop running smoothly and your equipment reliable for years to come.

Additional Information
Brand:Miller
Packaging Description:1 Per Ea
Part Type:Wind Tunnel Housing, Replacement Part
Orientation:Left Hand
Compatibility:Miller Welding Machines

INCLUDED

  • 1 x Miller 246620 Windtunnel, LH

APPLICATIONS

  • Replacement of damaged left-hand wind tunnel housing in compatible Miller welders.
  • Repair of internal airflow management systems in welding power sources.
  • Restoration of Miller Wind Tunnel Technology functionality.
  • Maintenance of industrial welding equipment requiring OEM chassis parts.

FAQ

It serves as the left-hand housing for the internal wind tunnel, directing cooling air over power components while shielding sensitive electronics from contaminants.

Yes, the Miller 246620 is a genuine OEM replacement part manufactured by Miller Electric.

This part is designed specifically for the Left Hand (LH) side of the wind tunnel assembly.

It prevents airborne dust and dirt from contacting sensitive circuit boards, significantly improving reliability and reducing maintenance needs.

You should check your welder's parts manual or verify fitment using your machine's serial number, as internal parts are specific to certain models.

Typically, housing parts like this are sold as the molded component only; you may need to reuse existing screws or order hardware separately.

Yes, cracks can disrupt airflow, leading to reduced cooling efficiency and potential overheating of power components.

Wind tunnel components are typically made of high-durability, heat-resistant molded materials designed to insulate and direct air.