The Donaldson P551006 is a high-quality spin-on fuel filter designed to provide superior protection for diesel engines. Featuring a 10-micron cellulose media, this filter efficiently removes contaminants to ensure clean fuel delivery and optimal engine performance. It has an outer diameter of 93 mm, a length of 142 mm, and an M16 x 1.5 thread. This genuine Donaldson filter is a direct replacement for various OEM part numbers, including Cummins 3903202 and John Deere RE509031, and is commonly used in John Deere 4R, 5E, 5M, and 6D series tractors.