The plug H 74132 is a precision closing component used to seal auxiliary openings, channels, or inspection points within the Sulzer ASL25 engine. Designed to withstand internal pressure, vibration, and temperature fluctuations, it provides a secure and leak-tight barrier that protects internal systems from contamination and fluid loss. Its accurate machining and durable material ensure reliable installation and long-term sealing performance. By maintaining system integrity and enabling safe access points for maintenance or inspection, the H 74132 plug contributes to the operational reliability and serviceability of the engine.