The Cat 8C8988 is a genuine 45-degree ORFS (O-Ring Face Seal) elbow fitting designed for robust hydraulic connections in Caterpillar machinery. Constructed from high-quality steel, this durable fitting ensures a secure, leak-free seal with 11/16-16 ORFS threads on both ends. It is an essential component for routing hydraulic lines in various Cat excavators, wheel loaders, track-type tractors, and motor graders, providing reliable performance and maintaining system integrity.