Tweco Model 350174MH Heavy Duty Connector Plug Assembly is a durable replacement part for MIG gun systems and welding support equipment. Designed for reliable performance in industrial welding applications, this plug fits Tweco Model 350174MH assemblies and is ideal for repair or maintenance of MIG guns and related components. The product features a heavy duty construction for long service life and stable electrical connection during high-current operation. Assembly follows the Tweco 350174MH instructions, which include step-by-step guidance for safe installation and proper mating with compatible gun parts.