690524 - ESAB ST-21M Water Cooled MIG Gun Replacement Handle

Genuine ESAB ST-21M Handle: Ergonomics and Durability

For professional welders using the ESAB ST-21M water-cooled MIG gun, the handle is more than just a plastic shell—it is your connection to the arc. The ESAB 690524 Replacement Handle is the exact factory replacement for the ST-21M, designed to restore the balance, grip, and protection you expect from a premium torch. Over time, heat, spatter, and the rough-and-tumble of the shop floor can degrade your torch handle. Cracks can develop, screw bosses can strip, and the texture can wear smooth. This replacement unit brings your gun back to factory-new condition, ensuring you have the control needed for precision welds.

This handle is specifically engineered to accommodate the water-cooling lines and power cable of the ST-21M without pinching or restricting flow. The internal geometry is molded to precise tolerances, ensuring that the switch assembly and cable connections sit correctly within the housing. This prevents the rattling and looseness that can occur with generic or ill-fitting aftermarket parts. The material itself is a rugged, high-impact composite that resists thermal deformation, meaning it stays cool and rigid even when you are pushing high amperages during extended duty cycles.

Key Technical Benefits:

• Perfect Fitment: Aligns perfectly with the ST-21M neck and cable assembly, ensuring a tight seal against dust and debris.
• Thermal Resistance: High-grade polymer withstands the radiant heat from the arc and the internal heat of the power cable.
• Enhanced Grip: The exterior features the classic ESAB texture that provides a non-slip surface, crucial for maintaining torch angle and manipulation when wearing heavy welding gloves.
• Safety First: A fully intact handle is essential for electrical insulation and protecting the water lines from puncture or abrasion.

Replacing the handle is a simple maintenance task that pays dividends in comfort and control. If your current ST-21M handle is taped up or cracked, it is time to swap it out. This kit provides the shell you need to rebuild your torch confidence. Keep your focus on the puddle, not on a loose or broken grip, with this authentic ESAB replacement.