LMD2A-12 - Miller LMD2A-12 AccuLock MDX Liner .030-.035 12ft

Smooth Feeding for Your MDX-250

Every welder knows that a bad liner can ruin a good day. If you are fighting with bird-nesting, erratic arcs, or a wire that just won't feed smoothly, it is time to upgrade to the Miller LMD2A-12 AccuLock MDX Liner. Designed specifically for the MDX-250 MIG gun and .030"-.035" wire, this liner takes the headache out of gun maintenance. The days of pulling out a tape measure, guessing the length, and hoping you didn't cut it too short are over. Miller has completely redesigned the replacement process to be fast, easy, and 100% accurate.

No Measuring, No Guesswork
With the AccuLock system, you simply feed the liner in from the front of the gun and lock it in place. Then, you go to the back of the gun (the power pin end) and trim it flush. That’s it. The liner is automatically set to the exact length required for your 12-foot cable. This perfect fit prevents the gaps that cause wire shaving and feeding issues, ensuring your wire runs smooth from the feeder to the puddle.

Better Welds, Less Downtime
The LMD2A-12 isn't just easy to install; it actually helps you weld better. The liner is designed to align perfectly with the contact tip when you tighten the diffuser. This straight-shot path reduces drag and friction, which means your wire feeds consistently without the stuttering that leads to burnbacks. Whether you are running solid wire or flux-cored, the EZ-Feed technology keeps the wire moving freely, reducing gun chatter and letting you focus on laying down a perfect bead. Keep a spare in your toolbox so you are never stuck waiting on parts when you should be burning wire.