The Donaldson P550934 is a genuine spin-on lube oil filter designed for full-flow filtration, featuring a 25 micron efficiency rating and an anti-drainback valve. This high-quality cellulose media filter ensures optimal engine lubrication and protection. It has an outer diameter of 93.7 mm, a length of 174.5 mm, and a 1-16 UN thread size. Equipped with a bypass valve setting of 172 kPa (1.7 bar), it is a direct replacement for numerous OEM part numbers, including Caterpillar 1R0739 and John Deere RE509672, suitable for a wide range of heavy-duty applications.