Клапанная втулка головки блока цилиндров Caterpillar 6557611

The Cylinder Head Valve Sleeve is a guide and protective liner for the valve stem within the cylinder head. It ensures proper alignment of the valve during operation, maintaining smooth movement and efficient sealing under varying temperatures and pressures. By minimizing wear and friction, the sleeve supports consistent valve performance and extends the service life of both the valve and cylinder head.Attributes:• Ensures proper alignment within the cylinder head.• Reduces friction and wear between valve and head.• Maintains effective valve sealing under pressure.Applications: The Cylinder Head Valve Sleeve is used in engine cylinder heads to guide valve stems accurately, reduce friction, and maintain reliable sealing for consistent engine performance.