The Cat 1R0778 Advanced Efficiency Engine Oil Filter is a genuine OEM component designed to provide superior filtration and protection for Caterpillar engines. Featuring advanced cellulose media, it effectively removes contaminants, ensuring clean oil circulation and extending engine life. This filter includes a bypass valve set at 25 psi and an anti-drain valve for reliable performance. With a diameter of 116.84 mm and a length of 266.7 mm, it is engineered for a wide range of Cat articulated dump trucks, asphalt pavers, cold planers, and other heavy equipment.