The NEW OEM Harley-Davidson® Black Oil Filter with part number 63731-99A is a high-quality engine part manufactured in the United States specifically designed for Harley-Davidson® motorcycles. This oil filter is an essential component for maintaining the engine's performance and longevity, ensuring that the motorcycle runs smoothly and efficiently. With the Harley-Davidson® brand guaranteeing quality and compatibility, riders can trust that this oil filter will provide optimal filtration and protection for their bike's engine.