Xtrweld 4435 Gas Diffuser 400-500A Bernard 7400 Tips 5 Pack

Product Description

The XTRWELD 4435 is a replacement gas diffuser rated for 400 to 500 amp MIG welding guns designed for use with Bernard Style 7400 Series tips. The gas diffuser sits between the contact tip and the liner inside the welding gun neck, distributing shielding gas evenly around the weld pool while securing the contact tip in place. Proper diffuser fit is critical to consistent arc stability and weld quality. This SKU ships as a 5-pack, making it a practical option for service trucks and shop inventory where consumable turnover is high.

This diffuser is suited for heavy-duty MIG welding applications running at 400 to 500 amps, including structural fabrication, heavy plate work, and industrial production welding. It is designed as a drop-in consumable for Bernard-style MIG guns equipped with 7400 Series contact tips. Welding supply technicians, fabricators, and maintenance welders routinely stock these in quantity to minimize downtime during high-production runs.

Key Features

• Rated for 400 to 500 amp MIG welding gun operation
• Compatible with Bernard Style 7400 Series contact tips
• Distributes shielding gas evenly around the weld zone for consistent coverage
• Sold as a 5-pack to support high-volume consumable needs
• Drop-in replacement fit reduces changeover time during production

Compatibility

Designed as a replacement gas diffuser for Bernard Style 7400 Series contact tips used in 400 to 500 amp MIG welding guns.

Installation Notes

Gas diffuser replacement is a routine consumable service performed by the welding operator or maintenance technician. Always power down the welding machine and allow the gun neck to cool fully before removing or installing diffuser components. Use the appropriate contact tip removal tool to avoid cross-threading or damage to the gun neck. Inspect the liner and nozzle seating surface during each diffuser change to identify wear before it affects weld quality.

Technical Specifications

• Amperage Rating: 400 to 500 amps
• Package Quantity: 5 per pack
• Package Weight: 0.71 pounds
• UPC: 840349221502

Standard Information

• Brand: XTRWELD
• Manufacturer Part Number: 4435