This Mercury Precision Parts MerCruiser Oil Filter 866340K01 provides outstanding filtration and factory fit for many popular MerCruiser sterndrive and inboard engines.Product Details Manufacturer part number: 35-866340K01 Fits MerCruiser sterndrive and inboard engines made by General Motors (excludes V6 models that have the oil filter mounted on the engine block) and Mercury-manufactured 4.5L and 6.2L engines Superior M-Pleated cleansing filter media removes oil contaminants Anti-drain back valve helps ensure start-up lubrication and eliminates dry starts Heavy-duty electroplated housing helps prevent corrosion Easy-to-install screw-on style filter Mercury parts and accessories are backed by decades of experience in engineering, testing and manufacturing to provide the best fit, function and performance