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Air Inlet Manifold Gasket for S55 12L DDEC IV
Detroit Diesel

The air inlet manifold gasket for the S55 12L engine is a high-quality sealing component designed to ensure a tight fit between the intake manifold and the cylinder head. Made from graphite, it offers excellent heat resistance, flexibility, and chemical stability, which are vital for withstanding the demanding conditions of diesel engine operation. With dimensions of approximately 79 mm in width, 1.55 mm in height, and 102 mm in length, this gasket effectively seals the intake pathway, preventing unmetered air leaks that could compromise engine performance. Proper sealing of the intake manifold enhances airflow accuracy, improves fuel efficiency, and maintains optimal combustion conditions. Its durable construction helps prevent gasket failure due to thermal cycling and vibration, ensuring consistent engine operation. Source One Parts Center provides this component, supporting your efforts to maintain engine efficiency and reliability in heavy-duty applications.