The Donaldson P550148 is a high-performance Synteq XP spin-on hydraulic filter designed to provide superior protection for hydraulic systems. With a 7-micron efficiency rating (Beta 2=7, Beta 20=10, Beta 75=12), it effectively removes contaminants, ensuring optimal fluid cleanliness and extending component life. This genuine Donaldson filter features a 1 1/2-16 UN thread, 93 mm outer diameter, and 175 mm length, making it a reliable replacement for various heavy machinery applications including Case, Caterpillar, John Deere, Komatsu, New Holland, and Volvo equipment.