• Close-up image of a brass nozzle from the Miller 1070116 M-25 MIG Gun Conversion Kit to MDX-250 by Bernard Welding, showcasing its compatibility with modern MDX style consumables.
  • Detailed view of the brass diffuser from the Miller 1070116 M-25 MIG Gun Conversion Kit to MDX-250 by Bernard Welding, designed for enhanced performance and easy installation.
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Bernard Welding

Miller 1070116 M-25 MIG Gun Conversion Kit to MDX-250, 2 Pack Diffuser for Enhanced Performance

Miller 1070116 M-25 MIG Gun Conversion Kit to MDX-250, 2 Pack Diffuser for Enhanced Performance

1070116 - PK OF 2

$42.32
Shipping: Free ground to lower 48 on qualifying orders.
Upgrade your old M-25 MIG gun with the Miller 1070116 M-25 MIG Gun Conversion Kit, a perfect solution for those seeking enhanced performance and compatibility. This high-quality...
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Automatic savings: 5% off $150+ · 7% off $300+ (applied at checkout — no code)
Typically ships within 1–2 business days. Shipping: Free ground to lower 48 on qualifying orders.
Ships from
Corydon, IN
Free ground
Lower 48 (qualifying)
Returns
Unused / original packaging

Fitment Help

Before ordering, confirm this part fits your equipment.

  • Check your equipment model number
  • Verify the specifications match your requirements
  • Review the product description for compatibility details

Not sure? Email us at sales@arcweldinc.com with the part number, your equipment model, and application—we'll confirm the correct part before you order.

Shipping & Returns

  • Ships from: Corydon, Indiana
  • Fulfillment: Lead time shown above (defaults to 1–2 business days unless noted)
  • Shipping: Free shipping on ground orders to lower 48 states (qualifying orders)
  • Pickup: Available at our Corydon location (usually ready in 2–4 days)
  • Returns: Accepted on unused items in original packaging

Discounts: 5% off $150+ and 7% off $300+ apply automatically at checkout (no code).

Ordered the wrong part? Contact us at sales@arcweldinc.com before opening—we'll help you exchange for the correct one.

Upgrade your old M-25 MIG gun with the Miller 1070116 M-25 MIG Gun Conversion Kit, a perfect solution for those seeking enhanced performance and compatibility. This high-quality conversion kit allows you to convert older M-series guns to utilize the modern MDX style consumables, ensuring your welding setup remains efficient and effective.

This diffusion kit includes two essential parts: the MDX-250 nozzle and the diffuser. The innovative design facilitates seamless operation, enabling you to work with the latest welding tips and nozzles. This means better weld quality, faster set-up times, and less downtime for consumable changes, making your welding projects more productive.

  • Compatibility with MDX Consumables: Transform your M-25 gun for compatibility with MDX-250 nozzles and various MDX tips, allowing for greater versatility and improved welding performance.
  • Easy Installation: The conversion kit is designed for straightforward installation. You'll be welding with enhanced efficiency in no time, with minimal adjustments required on your existing equipment.

Please note that this diffuser is designed exclusively for converting older M-series guns to MDX consumables. It is not suitable for current MDX guns due to differences in mounting thread specifications. Make sure your equipment matches these requirements before purchasing.

Upgrade to the Miller 1070116 M-25 MIG Gun Conversion Kit today to experience the benefits of modern welding technology. Maximize the performance of your welding projects with superior consumable compatibility, and enjoy the ease of handling and installation this kit offers. Boost your efficiency, quality, and professional results with the right tools!

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