The spray nozzle, code 302759, is a precision-engineered fluid distribution component designed to deliver lubricants or other operating media in a controlled spray pattern within the MAN L21/31 engine. Used in lubrication, cooling, or cleaning applications, it provides accurate atomization and efficient delivery of oil, fuel, or water to critical engine components. Manufactured to strict dimensional tolerances and optimized for stable flow characteristics, the spray nozzle performs reliably under varying pressures, temperatures, and engine loads. Constructed from wear- and corrosion-resistant materials, it contributes to improved thermal management, reduced component wear, and enhanced overall efficiency and durability of the engine systems.