Marine main engine spare parts are components designed for use in the maintenance and repair of the main engines on marine vessels. The notable feature of these parts is their corrosion resistance, which is essential for ensuring the longevity and reliable performance of engine components in the harsh, saltwater environments encountered at sea. Corrosion-resistant spare parts help to prevent damage and deterioration due to exposure to saltwater and other corrosive elements, contributing to the safe and efficient operation of marine vessels.