To receive the most up-to-date product availability, pricing and delivery options, enter your zip code or log in to your account
Zip Code should not be blankEmail and Password should not be blank
Enter Delivery Zip Code
or
Log In
TELL US MORE
Are you currently located in California?
8 characters minimum
One number
One lowercase letter
One uppercase letter
One special character (!@#$%&*)
Password cannot contain space
Pursuant to CA SB 478, if you are located in California, Airgas cannot display your product pricing until all items have been added to your shopping cart so that we can calculate all applicable fees, including, but not limited to, shipping and handling fees.
The ITW Miller 231523 is a commercial-grade, air-cooled head tube assembly kit designed for push-pull and spool-style MIG guns. It serves as a rigid, conductive backbone for the welding gun, ensuring precise delivery of current and gas to the workpiece. This assembly is specifically engineered to replace the discontinued part number 231531 and is optimized for high-duty-cycle aluminum fabrication where smooth wire feeding is critical.
Features
OEM replacement for XR A/W wire feeder systems
Designed for push-pull and spool-style MIG guns
Rigid conductive backbone for precise current and gas delivery
Maintains correct gun angle and balance to reduce operator fatigue
Ensures correct liner seating for smooth wire transition from gun body to contact tip
Robust insulation to prevent voltage drops
High-quality conductive materials for arc stability
Minimizes wire feed friction to prevent birdnesting in soft aluminum wire
Built to withstand thermal cycles and physical shop floor use
