Volvo Seal 21407106

This is an Intake Manifold Seal designed for the air intake system of Volvo heavy-duty diesel engines.

Product Specifications

Average Weight: ~ 0.02 kg

Compatibility: A40F ; A40F FS

SL: 7F

Key Information

This intake manifold seal is a critical component engineered to create an airtight connection between the intake manifold and the engine cylinder head. Its primary function is to ensure that the pressurized air provided by the turbocharger enters the combustion chamber without leakage, thereby maintaining the correct air-to-fuel ratio and engine efficiency.

Because it operates under constant pressure and fluctuating thermal conditions, this seal is manufactured from materials resistant to heat, oil, and ozone degradation. Proper installation is vital; the mating surfaces on both the cylinder head and the intake manifold must be thoroughly cleaned of old gasket material and carbon deposits before the new seal is fitted. Failure to achieve a proper seal can result in a loss of boost pressure, reduced engine power, increased smoke emissions, and potential diagnostic trouble codes (DTCs) related to intake system leaks. It is standard maintenance practice to replace this seal whenever the intake manifold is removed for engine service or repair.