9SS21002 - Lincoln Magnum & Magnum PRO Trigger Housing Assembly

Genuine Lincoln Electric Replacement Trigger Assembly

The Lincoln Electric Trigger and Housing Assembly (SKU: 9SS21002) is an essential maintenance component designed to restore the full functionality of your Lincoln Magnum® and Magnum PRO series MIG welding guns. As a genuine OEM part, this assembly guarantees precise fitment and reliable performance, eliminating the guesswork often associated with aftermarket replacements. The assembly includes both the trigger mechanism and the surrounding housing, providing a complete solution for repairing damaged or worn-out gun handles.

Engineered for the demanding conditions of industrial welding, this component is molded from a specialized high-heat resistant material. This robust construction ensures the housing can withstand significant thermal stress and exposure to welding spatter without warping or cracking. The durability of the external housing is critical for protecting the internal switch contacts, ensuring consistent arc initiation and termination over the life of the gun. This specific model features a standard, non-interlocking trigger design, which is the preferred configuration for many professional operators requiring straightforward control.

Broad Compatibility and Application

One of the primary advantages of this trigger assembly is its extensive compatibility across the Lincoln Electric MIG gun ecosystem. It is designed to fit the classic Magnum® 200, 275, 300, and 400 series guns, as well as the modern Magnum PRO line. This includes the Magnum PRO AL, Magnum PRO Curve (200-400A), and the heavy-duty Magnum PRO Barrel HDE and Curve HDE models ranging up to 550 amps. For facilities that utilize a mix of these gun models, stocking this single part number (9SS21002) can streamline inventory and ensure that repair parts are always on hand for critical equipment.

Installation and Maintenance

The one-piece modular design of this assembly simplifies the installation process. Maintenance personnel can quickly swap out a damaged unit, reducing equipment downtime and maintaining productivity. By using genuine Lincoln Electric parts, you ensure that the electrical and mechanical integrity of the welding gun is preserved, adhering to the manufacturer's original safety and performance specifications.