Вставное седло выпускного клапана, наружный диаметр 66,9 мм Caterpillar 3339180

An Exhaust Valve Seat Insert is designed to provide a durable and accurate seating surface for the exhaust valve. As the exhaust valve opens and closes during engine operation, it contacts the seat insert. By providing a reliable sealing surface, the exhaust valve seat insert ensures efficient combustion, contributes to engine performance, and helps maintain proper compression in the combustion chamber.Attributes:• Made from heat-resistant and durable materials.• Resistant to high temperature.• Enhances combustion efficiency and engine performance.Applications: An Exhaust Valve Seat Insert provides a durable and heat-resistant seating surface for exhaust valves. These inserts help to optimize engine performance and ensure the longevity of the combustion chamber.