The Donaldson P551910 is a high-quality oil filter designed for optimal engine protection and performance. This genuine Donaldson filter is an equivalent to Caterpillar P551910 and replaces Donaldson P551910. It features an outer diameter of 93 mm, a length of 173 mm, a gasket outer diameter of 72 mm, a gasket inner diameter of 62 mm, and a 1-12 UN thread size. Engineered to meet demanding filtration requirements, it ensures clean oil circulation for a wide range of Caterpillar industrial engines, excavators, wheel loaders, track-type tractors, and other heavy equipment.