OEM Valve Guide Mercedes Benz S-Class W126 300 SE SEL +more

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A valve guide is a critical component in the engine of a car that helps guide the movement of the intake and exhaust valves. It is typically made of a durable material such as bronze or cast iron and is designed to withstand high temperatures and repeated cycles of operation.

The valve guide is installed within the cylinder head and acts as a sleeve that guides the valve stem's movement.
By providing a stable and precise path, the valve guide ensures proper alignment and smooth operation of the valves. It prevents excessive wear and friction between the valve stem and the cylinder head, thus prolonging the lifespan of the valve and maintaining optimal engine performance.

Additionally, the valve guide also aids in maintaining proper valve seal, which is crucial for efficient combustion and minimum leakage of gases in the engine.