The pin K 34126 is a precision fastening and locating component designed for the piston skirt assembly of the Sulzer ZV40/48 operating piston mechanism. Its main purpose is to securely position and retain the piston skirt while ensuring accurate alignment and stable mechanical operation under continuous loading. Manufactured from high-strength, precision-hardened steel, the pin is designed to resist shear forces, vibration, wear, and repeated dynamic stresses encountered during long-term engine operation. Tight manufacturing tolerances ensure excellent fit, proper load transfer, and reliable assembly integrity throughout extended service intervals. By maintaining the correct position of the piston skirt and minimizing mechanical movement between components, the K 34126 pin contributes to smooth piston guidance, reduced wear, and dependable long-term engine performance.