Направляющая втулка клапана, наружный диаметр 16,71 мм Caterpillar 4W9176

A Valve Guide is used in internal combustion engines to guide the movement of the intake and exhaust valves within the cylinder head. The Valve Guides are commonly made from materials with excellent wear resistance and heat dissipation properties, gray iron is used for their durability and strength. The design of the guide helps transfer heat away from the valve stem and into the cylinder head, preventing overheating and potential damage.Attributes:• Minimizes friction and wear between the valve stem and the guide• Prevents overheating and potential damageApplications: A Valve Guide is used to guide the valve stem's movement within the cylinder head.