The Cat 367140 Cylinder Block is a genuine OEM component designed for Caterpillar C15 and C18 diesel engines. This critical engine part provides the structural foundation for the engine's cylinders, ensuring precise alignment and robust performance. Manufactured to Caterpillar's stringent specifications, this cylinder block offers exceptional durability and reliability, essential for demanding agricultural, construction, and industrial applications. It replaces previous part numbers 2474905 and 20R0044, guaranteeing perfect fit and function.