Caterpillar
Cylinder head for Caterpillar C12
This cylinder head is designed for Caterpillar C12 and C15 engines. It serves as the primary sealing component for the top of the engine cylinders.
Specifications
- Part number
- 2166951
- Brand
- Caterpillar
The cylinder head, identified by part number 2166951, acts as the cover for the engine cylinders, effectively sealing the combustion chambers. It provides the necessary housing for intake and exhaust valves, valve seats, and valve guides, while also accommodating fuel injectors and the camshaft to manage the combustion cycle. This component is engineered to maintain the structural integrity of the engine block under operational pressures and temperatures.
This part is compatible with Caterpillar C12 and C15 engines. It features internal passages designed to facilitate the circulation of coolant, which assists in heat dissipation throughout the engine assembly. The cylinder head ensures proper compression and prevents the leakage of combustion gases or coolant into the surrounding engine systems.
In a diesel engine, the cylinder head is the component that closes the top of the cylinder block. By forming the upper boundary of the combustion chamber, it allows for the controlled intake of air and fuel and the efficient expulsion of exhaust gases. Maintaining a secure seal at the cylinder head interface is necessary for engine efficiency and overall performance.

