1Fitment: Engine oil filter is replacement for Mercury Marine 175-450 Hp, and the OEM number is 35 8M0123025. 2Preserve Oil: The oil filter can clean most of the impurities in the engine, preserve the cleaning of oil, and extend the service life of oil. 3High Oil Flow Rate: This scientifically designed oil filter features high oil flow rate, so the flow resistance is low, which can ensure a continuous flow of oil to the important engine parts. 4Filtration system: This product has a filtration system that screens out particles smaller than one thousandth of an inch to keep your oil cleaner longer. 5Metal Case: This oil filter element is more than half as thick as typical filters and has a durable finish that resists corrosion even in saltwater environments.