Mercury 35-877769K01 Verado Oil Filter The Mercury 35-877769K01 Oil Filter provides warranty protection for all 200-400 HP Verado in-line 6-cylinder outboards. Mercury oil filters are constructed of the highest quality materials and made specifically for marine applications. Its unique filtration system screens particles smaller than 11000th of an inch to keep your oil cleaner longer. A high-efficiency design assures a constant flow of oil to vital engine parts. This Mercury oil filter features