15220-ZY3-020 Oil Strainer - Overview. The 15220-ZY3-020 Oil Strainer is an essential component of Honda marine engine systems. It effectively filters debris and impurities from the engine oil before circulation, ensuring the marine engine operates smoothly and reliably. By maintaining clean engine oil, it supports the lubrication system and prevents potential damage from contaminants, enhancing overall engine longevity and performance.. Key Features. Genuine Honda OEM Oil Strainer designed to m