The Sulzer ZV40/48 diesel engine, renowned for its robust performance in marine and industrial applications, requires periodic inspection and maintenance of its oil cooler to ensure optimal functionality and longevity. Regular maintenance of the oil cooler is crucial in preventing oil overheating, which can lead to engine inefficiency and potential damage. By keeping the oil cooler clean and free of obstructions, the engine's cooling system operates efficiently, maintaining the oil at a safe temperature. This preventive measure not only enhances the engine's performance but also extends its operational life, reflecting Sulzer's commitment to reliability and high-quality engineering.