Miller XR-A/XR-W Drive Housing Replacement Kit

Restore Your XR Gun's Feeding Performance

If you are running a Miller XR-A or XR-W push-pull gun and experiencing inconsistent wire feeding, slipping drive rolls, or a cracked body, the Miller 236317 Drive Housing Replacement Kit is the fix you need. Designed specifically for the pistol-grip models with the quick disconnect feature, this kit replaces the main body housing that holds your drive motor and rolls in place. We all know that with push-pull systems—especially when pushing soft 4043 or 5356 aluminum wire—alignment is everything. Even a hairline crack in the housing can cause the drive rolls to deflect under load, leading to the dreaded birdnest or burnback that stops production cold.

This isn't just a piece of plastic; it's the chassis of your welding gun. Over time, drops, heat, and general shop abuse can wear out the mounting points or crack the casing. When that happens, your drive roll pressure becomes uneven. Swapping in this genuine Miller replacement kit brings your gun back to tight, factory tolerances. It ensures that the motor sits square and the tension arm applies the correct pressure to the wire, giving you that smooth, humming feed you expect from a Miller XR system.

Installation is straightforward for those familiar with gun maintenance. It involves disassembling the handle to swap the internal components into the new housing. It’s a fraction of the cost of buying a new gun and extends the life of your trusty XR-A or XR-W for years. Don't fight with erratic arcs or wire chatter caused by a worn-out housing; rebuild it and get back to laying down perfect beads.

Why Choose OEM?

• Perfect Fit: No modification needed; screw holes and motor mounts line up perfectly.
• Durability: Made from Miller's tough, heat-resistant composite material.
• Performance: Restores the precise drive roll alignment needed for high-speed aluminum MIG welding.