The component H 40021 is a precision-manufactured element used within the Sulzer ASL25 engine’s mechanical system, designed to ensure stable interaction between associated assemblies under continuous operational load. Engineered for durability, dimensional accuracy, and resistance to vibration, this part supports reliable system performance and contributes to overall mechanical stability. Its robust construction and accurate fit help reduce wear, maintain correct alignment, and enhance long-term engine reliability in heavy-duty marine and industrial environments.