MIG Gas Diffusers

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.

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.

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 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.

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.

Small DS1T diffuser. Use with Competitive Guns. CENTERFIRE consumables bring superior performance and reduced down time to all Q-Guns. Have them attached to your MIG gun.

Small DS1T diffuser. Use with Competitive Guns. CENTERFIRE consumables bring superior performance and reduced down time to all Q-Guns. Have them attached to your MIG gun.

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.

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 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 brass gas diffuser is designed for Miller MDX 250 series MIG guns and is for use with AccuLock S nozzles, contact tips, and MDX liners. It is size 0.023 to 0.045 inch with a threaded, tapered, electrical connection, and has an amperage range of 250 to 600 amps.

This brass gas diffuser is designed for Miller MDX 250 series MIG guns and is for use with AccuLock S nozzles, contact tips, and MDX liners. It is size 0.023 to 0.045 inch with a threaded, tapered, electrical connection, and has an amperage range of 250 to 600 amps.

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.

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 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 TOUGH LOCK retaining head is made of brass. Plus, it is compatible with TOUGH LOCK, Bernard, and Tough Gun brands and is for use with TGX XL Series guns, TGX XS Series guns. It can be used for MIG welding.

This TOUGH LOCK retaining head is made of brass. Plus, it is compatible with TOUGH LOCK, Bernard, and Tough Gun brands and is for use with TGX XL Series guns, TGX XS Series guns. It can be used for MIG welding.