The 4587259 F-4559 Fuel filter Oil-Water Separator is specifically designed for Perkins engines 1106 and 1506. This filter is crucial for separating water and contaminants from the fuel, ensuring the smooth operation and longevity of the engine. Made to meet the standards of quality and compatibility required for heavy equipment, this fuel filter is a reliable and essential part for maintaining the performance of Perkins engines in various industrial and commercial applications.