The Donaldson P550335 Lube Filter is a premium spin-on oil filter engineered to provide excellent engine protection and extend service intervals. This genuine Donaldson filter is designed with an outer diameter of 93.7 mm and a length of 175.3 mm, featuring a 1-16 UN thread size. It incorporates a bypass valve set at 172 kPa (25 PSI) and an anti-drainback valve to ensure consistent oil flow and prevent dry starts. The P550335 is a direct equivalent to Caterpillar part number P956034, fitting a broad range of Caterpillar industrial engines, track-type tractors, wheel loaders, excavators, and mining equipment.