55564395 GM Valve cover

What is this part?

The GM valve cover 55564395 is a genuine OEM engine component designed to seal and protect the valvetrain at the top of the cylinder head.

What does it do?

This OEM valve cover encloses the camshaft and valve mechanism, keeping engine oil inside while preventing dirt and debris from entering the engine. A genuine GM valve cover is manufactured to factory specifications, ensuring proper sealing, correct ventilation, and resistance to heat and vibration. Proper valve cover function helps maintain oil pressure and protects critical engine components.

When to replace

The GM valve cover 55564395 should be replaced if cracks, warping, or damaged sealing surfaces are present. Oil leaks, burning oil smells, or oil contamination in the engine bay are common signs of valve cover failure. Replacing the cover with a genuine OEM component helps restore proper engine sealing.

Compatibility

The genuine GM valve cover 55564395 is compatible with selected GM engines. This OEM engine component is designed for correct fitment with the original cylinder head. Compatibility may vary by engine configuration and model year. Please verify the part number 55564395 before purchase.

Installation: DIY or service?

Installation of this genuine OEM GM valve cover 55564395 may be suitable for DIY on some vehicles. Proper gasket replacement and correct torque sequence are required. Professional installation is recommended if access is limited or additional components must be removed.