The Donaldson P550453 is a genuine full-flow spin-on oil filter designed for superior engine protection. Featuring a 20 micron efficiency rating, it effectively removes contaminants from engine oil. This filter includes an anti-drain valve to prevent dry starts and a bypass valve set at 1.7 bar (25 PSI) to ensure oil flow during cold starts or when the filter is clogged. With an outer diameter of 93 mm, a length of 142 mm, and a 3/4-16 UN thread size, it provides reliable filtration for a wide range of heavy-duty applications across agricultural, construction, and industrial equipment.