Lube Filter Cartridge LF516/P550516 is a top-quality product manufactured by our factory. This filter cartridge is compatible with Fleetguard and Donaldson brands, making it a versatile and practical choice for all your filtration needs. Made from high-quality materials, this filter cartridge is designed to remove impurities and contaminants from your engine oil, ensuring maximum performance and longevity. It is easy to install and maintain, providing you with hassle-free filtration. Trust our factory's product and get the best filtration solution today!