

Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The VALUE COLLECTION 316040002 is a gas diffuser designed for MIG welding applications. It distributes shielding gas evenly around the wire feed path to maintain a stable arc and consistent weld quality. The diffuser accommodates wire outside diameters from 0.030 inches to 0.045 inches, making it suitable for a range of common MIG wire gauges. Welders and fabricators install this component as part of the consumable stack inside a MIG gun assembly. Weighing just 0.1 pounds, it is a lightweight replacement part that should be kept on hand for routine maintenance.
This gas diffuser is used in MIG welding setups that require consistent shielding gas flow to the weld zone. It is appropriate for light-gauge to mid-gauge wire applications within its specified diameter range. The part is sold individually and is suited for shop, field, and production welding environments where Tweco-style MIG gun consumables are standard equipment.
Designed for use with Tweco MIG welding gun assemblies as a direct-replacement gas diffuser consumable.
Gas diffusers are installed by welders and maintenance technicians as part of routine MIG gun consumable replacement. Always disconnect the welder from its power source and allow the gun to cool completely before handling consumables. Remove the contact tip and nozzle before accessing and replacing the diffuser. Follow the gun manufacturer's assembly sequence when reinstalling consumables to ensure proper gas flow and electrical continuity.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!