Mig Insulators & Diffusers
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Best Welds
Best Welds Gas Diffuser, Brass, For Tweco Style No 1 MIG Guns (5 EA / PK)
$25.71Industry part number easily recognizableMeets or exceeds OEM quality and performance900-51-23$25.71 -
Best Welds
Best Welds Insulator Cap, 350 A-500 A, For Bernard Style Q-Gun and S-Gun MIG Guns (2 EA / PK)
$12.24Industry part number easily recognizableMeets or exceeds OEM quality and performance900-4423R$12.24 -
Best Welds
Best Welds Insulator Cap, 200 A-300 A, For Bernard Style BTB, Q-Gun, S-Gun, W-Gun MIG Guns (2 EA / PK)
$12.24Industry part number easily recognizableMeets or exceeds OEM quality and performance900-4323R$12.24 -
Best Welds
Best Welds Shock Washer, Standard, 350 A, Tregaskiss Style MIG Guns (2 EA / PK)
$11.92Industry part number easily recognizableMeets or exceeds OEM quality and performance900-402-7$11.92 -
Best Welds
Best Welds MIG Gun Shock Washers and Insulator, Heavy Duty, 350 A, Tregaskiss Style (5 EA / PK)
$25.21Industry part number easily recognizableMeets or exceeds OEM quality and performance900-402-5$25.21 -
Best Welds
Best Welds Insulator, Fine Thread, Copper, 400 A, For Best Welds, Tweco Style No 4 MIG Guns (2 EA / PK)
$43.82Industry part number easily recognizableMeets or exceeds OEM quality and performance900-34FN$43.82 -
Best Welds
Best Welds Insulator, Slide on Nozzle, Brass, 250 A, For Best Welds, Miller Style MIG Guns (1 EA / EA)
$4.06Industry part number easily recognizableMeets or exceeds OEM quality and performance900-169-730$4.06 -
Best Welds
Best Welds Gas Diffuser, Brass, Heavy Duty, 450 A, For Tweco Style Spray Master MIG Guns (5 EA / PK)
$23.96Industry part number easily recognizableMeets or exceeds OEM quality and performance900-HD54-16$23.96 -
Best Welds
Best Welds Nozzle Retainer/Diffuser, Brass, Converts Miller FasTip to Best Welds Heavy Duty Tip, Tregaskiss Style (2 EA / PK)
$31.03Industry part number easily recognizableMeets or exceeds OEM quality and performance900-404-3M$31.03 -
Best Welds
Best Welds Gas Diffuser, Brass, 250 A, For Best Welds, Tweco Style No 2 MIG Guns, No 3 and 4 Nozzles (1 EA / EA)
$6.90Industry part number easily recognizableMeets or exceeds OEM quality and performance900-52FN$6.90 -
Best Welds
Best Welds Gas Diffuser, Brass, 200 A-300 A, For Bernard Style MIG Guns, 4200 and 7400 Series Contact Tips (5 EA / PK)
$54.64Industry part number easily recognizableMeets or exceeds OEM quality and performance900-4335$54.64 -
Best Welds
Best Welds Nozzle Retainer/Diffuser, Brass, Heavy Duty Tip, Tregaskiss Style MIG Guns (5 EA / PK)
$55.20Industry part number easily recognizableMeets or exceeds OEM quality and performance900-404-3$55.20 -
Best Welds
Best Welds Gas Diffuser, Brass, 135 A, For Best Welds, Tweco Style Mini MIG Guns (5 EA / PK)
$26.33Industry part number easily recognizableMeets or exceeds OEM quality and performance900-35-50$26.33 -
Best Welds
Best Welds Insulator, Coarse Thread, Copper, 400 A, For Best Welds, Tweco Style No 4 MIG Guns (2 EA / PK)
$37.04Industry part number easily recognizableMeets or exceeds OEM quality and performance900-34CT$37.04 -
Best Welds
Best Welds Gas Diffuser, Brass, For Miller Style M25/25M, M40/40AL MIG Guns (5 EA / PK)
$18.12Industry part number easily recognizableMeets or exceeds OEM quality and performance900-169-728$18.12 -
Best Welds
Best Welds Gas Diffuser, Brass, For Miller Style M15 MIG Gun (1 EA / EA)
$7.47Industry part number easily recognizableMeets or exceeds OEM quality and performance900-169-716$7.47 -
Bernard
Bernard Centerfire Gas Diffuser, Brass, for Centerfire Contact Tips/Large Nozzles (1 EA / EA)
$23.40Easy-to-use and high performingProvide better arc starts, less spatter and more consistent weldsMates better with contact tip for better conductivity360-DS-1$23.40 -
Bernard
Bernard Quik Tip Gas Diffuser, Brass, for Quik Tip Series 1/2 Contact Tips and Nozzles (10 EA / BG)
$282.14Gas diffusers have positive stops to secure Quik Tip contact tips in a fixed position for superior repeatability and consistent quality weldsQuik Tip consumables are suitable for use in heavy duty and light commercial applications360-D118Q$282.14 -
Bernard
Bernard Centerfire Gas Diffuser, Brass, for Centerfire Contact Tips/Small Nozzles (1 EA / EA)
$23.40Easy-to-use and high performingProvide better arc starts, less spatter and more consistent weldsMates better with contact tip for better conductivity360-D-1$23.40 -
TWECO
Tweco Insulators, For Extreme Angle-Arc K4000 Torch (1 PK / EA)
$35.24Permits lower operating temperatures to avoid overheatingImproves nozzle seal358-9443-3183$35.24