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The PRO-SOURCE 7489 is a MIG welder contact tip designed for use with 0.035-inch wire outside diameter. The contact tip is the consumable component at the end of a MIG gun through which the welding wire passes and receives electrical current, forming the arc at the workpoint. This tip is machined to a close-tolerance bore that maintains consistent electrical contact with the wire throughout the weld cycle. Sized at 1.25 inches in length with a 0.3-inch body diameter, it is a standard replacement consumable for MIG welding operations in fabrication, maintenance, and repair environments.
This contact tip is suited for MIG welding setups running 0.035-inch solid or flux-core wire. It is a common replacement part for production welding, field repair, and shop maintenance work where tip wear or burn-back requires periodic changeover. Sold individually, with a minimum order quantity of 10 units, making it practical to stock for ongoing service needs. Licensed welders, fabricators, and maintenance technicians are the typical installers.
Designed as a replacement contact tip for MIG welding guns accepting 0.035-inch wire outside diameter. Verify thread pitch and body diameter against your specific MIG gun specification before ordering.
Contact tip replacement is performed by welding technicians and qualified fabricators. Always power down the welder and allow the gun to cool completely before removing a worn or damaged tip. Use the appropriate tip wrench to avoid cross-threading or overtightening. Inspect the gas diffuser and nozzle during each tip change for spatter buildup that may affect shielding gas flow.
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.
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