KP2072-26 - Lincoln KP2072-26 Contact Tip Extender for Cobra Push-Pull Guns

Precision Engineering for Cobra Push-Pull Systems

The Lincoln Electric KP2072-26 Tip Extender is a critical component designed exclusively for the Cobra A/C (Air Cooled) and Cobra W/C (Water Cooled) series of push-pull MIG guns. In the realm of advanced aluminum welding, the integrity of the electrical connection and the precise positioning of the contact tip are paramount. This component serves as the conductive bridge between the gun's main body and the contact tip, ensuring that welding current is transferred efficiently with minimal resistance.

Manufactured to Lincoln Electric's exacting OEM specifications, the KP2072-26 features precision-machined threads that guarantee a secure mechanical fit. This is essential for preventing micro-arcing within the torch head, which can lead to premature failure of the gun assembly. The extender is crafted from high-grade copper alloy, selected for its thermal conductivity and durability under the high-heat conditions typical of industrial GMAW applications. By utilizing genuine Lincoln parts, operators ensure that the gas shielding dynamics designed into the Cobra system are maintained, providing optimal coverage for the weld pool.

For maintenance and repair operations (MRO), replacing the tip extender is a standard procedure to restore gun performance. Over time, thermal cycling and mechanical wear can degrade the threads and seating surfaces of the extender. Installing a fresh KP2072-26 restores the electrical path and ensures the contact tip is positioned correctly relative to the gas nozzle, a critical factor in controlling stick-out and arc characteristics. This part is indispensable for fabrication shops relying on the precision and reliability of Lincoln's Cobra push-pull technology.