The cylinder head is one of the most critical structural components of a diesel engine, forming the top part of the combustion chamber and housing essential parts like valves, ports, and passages. The Caterpillar C13 / C11 Cylinder Head (2004–2010, OEM 10R2602) is engineered to meet original factory standards, ensuring proper sealing, optimal combustion chamber performance, and durability under demanding conditions. Choosing the correct OEM cylinder head helps maintain engine efficiency, power delivery, and long-term reliability for heavy-duty applications.
This cylinder head directly influences engine performance — here’s why it matters:
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Provides a Proper Combustion Seal – The cylinder head, in conjunction with the head gasket, seals the combustion chamber, keeping high pressure where it belongs for efficient combustion.
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Supports Valve and Airflow Function – Houses the intake and exhaust valves that control airflow into and out of the combustion chamber, which directly impacts performance and emissions.
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Maintains Cooling and Lubrication Pathways – Features built-in passages for coolant and oil, helping regulate temperature and ensure proper lubrication for long-term reliability.
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OEM-Grade Fit and Durability – As OEM 10R2602, this cylinder head matches original specifications for fitment, material integrity, and long-lasting operation in heavy-duty service.
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Prevents Engine Issues – Replacing a cracked or worn cylinder head helps avoid issues such as loss of compression, overheating, coolant or oil leaks, and reduced engine performance.
A damaged or worn cylinder head can lead to serious engine problems — from coolant leaks to loss of compression and costly repairs. The Caterpillar C13 / C11 Cylinder Head (OEM 10R2602) delivers the OEM-standard quality and structural integrity your engine depends on, helping maintain smooth operation, consistent power delivery, and long-term durability. For customers seeking a dependable replacement component, Tamerx offers high-quality parts engineered to support strong, reliable engine performance.











