MK667071
Inlet and Exhaust Seat
Mitsubishi FUSO®

The inlet and exhaust seat, identified by part number MK667071, is a crucial component of an internal combustion engine in a truck. It is a circular ring-shaped structure that sits in the cylinder head and serves as the base for the inlet and exhaust valves. The seat's primary function is to provide a smooth surface against which the valve face can seal, preventing leakage of air or fuel mixture from the combustion chamber. The MK667071 seat is made from materials that can withstand high temperatures and pressures generated by the engine during operation. Its precise design ensures optimal airflow and efficient combustion, resulting in improved performance and reduced emissions. A worn or damaged inlet and exhaust seat can cause poor engine performance, misfires, and increased emissions, making it essential to replace it when necessary.