Product Description
Miller® Neck Insulator – MDX™-250 (Part #4623RM)
Compatible with Standard & Heavy Duty Diffusers
Maintain the integrity and performance of your MIG welding setup with the Genuine Miller® Neck Insulator 4623RM, designed for the MDX™-250 MIG gun. This essential insulator ensures proper electrical isolation and thermal resistance when paired with either Standard Duty or Heavy Duty Diffusers—protecting both your equipment and your weld quality.
Key Features
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Genuine OEM Miller® Replacement – Guaranteed fit, finish, and performance
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Dual Compatibility – Works with both Standard Duty and Heavy Duty MDX™-250 Diffusers
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Heat-Resistant Design – Prevents overheating and prolongs component life
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Electrical Isolation – Prevents arcing and shorting between gun neck and diffuser
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Quick Install – Simple, tool-free replacement in under a minute
Specifications
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Part Number: 4623RM
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Fits: Miller MDX™-250 MIG Guns
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Compatible With:
• Standard Duty Diffuser
• Heavy Duty Diffuser