MIG Gas Diffusers

This gas-shielded head assembly is made for use with a 400 elliptical series gun. It has an amperage range of 200 to 600 amps.

This gas-shielded head assembly is made for use with a 400 elliptical series gun. It has an amperage range of 200 to 600 amps.

Small DS1 diffuser. Use with 4323R insulator cap. CENTERFIRE consumables bring superior performance and reduced down time to all Q-Guns. Have them attached to your MIG gun.

Small DS1 diffuser. Use with 4323R insulator cap. CENTERFIRE consumables bring superior performance and reduced down time to all Q-Guns. Have them attached to your MIG gun.

Large D1 gas diffuser. Use with 10012 insulator. CENTERFIRE consumables bring superior performance and reduced down time to all Q-Guns. Have them attached to your MIG gun.

Large D1 gas diffuser. Use with 10012 insulator. CENTERFIRE consumables bring superior performance and reduced down time to all Q-Guns. Have them attached to your MIG gun.

Made for use with Tweco number 3 and 4 MIG guns, this gas diffuser has a brass construction and a threaded connection.

Made for use with Tweco number 3 and 4 MIG guns, this gas diffuser has a brass construction and a threaded connection.

This gas diffuser head is Intended for use with Bernard MIG guns. It controls the release of gas and works with wire sizes of 0.035 to 0.053 inches. It has 200 to 300 amps and is made out of brass.

This gas diffuser head is Intended for use with Bernard MIG guns. It controls the release of gas and works with wire sizes of 0.035 to 0.053 inches. It has 200 to 300 amps and is made out of brass.

This TOUGH LOCK retaining head is made of brass. Plus, it is compatible with TOUGH LOCK, Magnum 300, Magnum 400, Spray Master 350, Spray Master 450, Tweco #3, Tweco #4, WeldSkill 400, Bernard, Tough Gun brand and is for use with Bernard air-cooled and T-Gun water-cooled MIG guns, Fume extraction MIG guns, Tregaskiss robotic air-cooled and water-cooled MIG guns. It can be used for MIG welding.

This TOUGH LOCK retaining head is made of brass. Plus, it is compatible with TOUGH LOCK, Magnum 300, Magnum 400, Spray Master 350, Spray Master 450, Tweco #3, Tweco #4, WeldSkill 400, Bernard, Tough Gun brand and is for use with Bernard air-cooled and T-Gun water-cooled MIG guns, Fume extraction MIG guns, Tregaskiss robotic air-cooled and water-cooled MIG guns. It can be used for MIG welding.

This Quick Tip diffuser is made of brass. Plus, it is compatible with BTB, Clean Air, Dura-Flux, FILTAIR, Q-Gun, S-Gun, W-Gun, Q3015TE5EMC, Q4015TE5EMC, Q4020TN5ELC, S3015TE5HMC, S5015GH5IMC, Bernard brand and is for use with BTB MIG guns. It can be used for Flux-Core, MIG welding.

This Quick Tip diffuser is made of brass. Plus, it is compatible with BTB, Clean Air, Dura-Flux, FILTAIR, Q-Gun, S-Gun, W-Gun, Q3015TE5EMC, Q4015TE5EMC, Q4020TN5ELC, S3015TE5HMC, S5015GH5IMC, Bernard brand and is for use with BTB MIG guns. It can be used for Flux-Core, MIG welding.

Adapter, contact tip. M-Gun model: M25/40. Perfect fit, function and durability every time. Miller Genuine parts are the same parts and consumables and used in the original product.

Adapter, contact tip. M-Gun model: M25/40. Perfect fit, function and durability every time. Miller Genuine parts are the same parts and consumables and used in the original product.

This brass head assembly is made for Bernard style MIG guns and for use with 15 Series contact tips. It is 300 amps and has a threaded connection.

This brass head assembly is made for Bernard style MIG guns and for use with 15 Series contact tips. It is 300 amps and has a threaded connection.

This Roughneck gas diffuser is made of brass. It features 360 degree wrench rotatable, aluminum-jacketed gooseneck. Plus, it is compatible with Roughneck C-Series, C-3010, C-3012, C-3015, C-4010, C-4012, C-4015, C-5010, C-5012, C-5015, Miller brand and is for use with ROUGHNECK guns. It can be used for flux-cored welding (FCAW), MIG welding.

This Roughneck gas diffuser is made of brass. It features 360 degree wrench rotatable, aluminum-jacketed gooseneck. Plus, it is compatible with Roughneck C-Series, C-3010, C-3012, C-3015, C-4010, C-4012, C-4015, C-5010, C-5012, C-5015, Miller brand and is for use with ROUGHNECK guns. It can be used for flux-cored welding (FCAW), MIG welding.

This Acculock MDX gas diffuser is made of brass. It features cooling tail, optimized wire-feeding, quick replacement, tapered connection. Plus, it is compatible with MDX-250, MDX-250 EZ-Select, 1770035, 1770036, 1770037, 1770038, 1770047, Miller brand and is for use with Miller MDX-250 MIG guns. It can be used for flux-cored welding (FCAW), MIG welding.

This Acculock MDX gas diffuser is made of brass. It features cooling tail, optimized wire-feeding, quick replacement, tapered connection. Plus, it is compatible with MDX-250, MDX-250 EZ-Select, 1770035, 1770036, 1770037, 1770038, 1770047, Miller brand and is for use with Miller MDX-250 MIG guns. It can be used for flux-cored welding (FCAW), MIG welding.

This Acculock MDX gas diffuser is made of brass. It features cooling tail, optimized wire-feeding, quick replacement, tapered connection. Plus, it is compatible with MDX-100, 1770028, Miller brand and is for use with Miller MDX-100 MIG guns. It can be used for flux-cored welding (FCAW), MIG welding.

This Acculock MDX gas diffuser is made of brass. It features cooling tail, optimized wire-feeding, quick replacement, tapered connection. Plus, it is compatible with MDX-100, 1770028, Miller brand and is for use with Miller MDX-100 MIG guns. It can be used for flux-cored welding (FCAW), MIG welding.

This M-Series nozzle adapter is made of brass. Plus, it is compatible with M-25, 169594, 169596, 169598, 169599, Miller brand and is for use with M Series MIG guns. It can be used for flux-cored welding (FCAW), MIG welding.

This M-Series nozzle adapter is made of brass. Plus, it is compatible with M-25, 169594, 169596, 169598, 169599, Miller brand and is for use with M Series MIG guns. It can be used for flux-cored welding (FCAW), MIG welding.

This heavy-duty gas diffuser is made for use with Tweco Spitfire 450 A and Weldskill MIG guns. It is made of 360 brass alloy with an amperage range of up to 450 amps, and is designed to be used with slip-on style nozzle assemblies.

This heavy-duty gas diffuser is made for use with Tweco Spitfire 450 A and Weldskill MIG guns. It is made of 360 brass alloy with an amperage range of up to 450 amps, and is designed to be used with slip-on style nozzle assemblies.

This TOUGH LOCK retaining head is made of brass. Plus, it is compatible with TOUGH LOCK and Tough Gun brands and is for use with Tregaskiss robotic air-cooled and water-cooled MIG guns. It can be used for MIG welding.

This TOUGH LOCK retaining head is made of brass. Plus, it is compatible with TOUGH LOCK and Tough Gun brands and is for use with Tregaskiss robotic air-cooled and water-cooled MIG guns. It can be used for MIG welding.

This Centerfire diffuser is made of brass. It features simplify parts management and improve performance. Plus, it is compatible with Magnum 300, Magnum 400, and is for use with 400 MIG Gun, Lincoln Magnum 300, Tweco Spray Master 450. It can be used for MIG welding.

This Centerfire diffuser is made of brass. It features simplify parts management and improve performance. Plus, it is compatible with Magnum 300, Magnum 400, and is for use with 400 MIG Gun, Lincoln Magnum 300, Tweco Spray Master 450. It can be used for MIG welding.