What is this part?

The General Motors valve stem seal 90410741 is a genuine OEM engine component designed to regulate engine oil flow around the valve stems.

What does it do?

This OEM valve stem seal prevents excess engine oil from entering the combustion chamber while allowing proper lubrication of the valve stem. A genuine General Motors valve stem seal is manufactured to factory specifications, ensuring correct sealing, heat resistance, and long service life. Proper seal operation supports clean combustion, stable engine performance, and reduced oil consumption.

When to replace

The General Motors valve stem seal 90410741 should be replaced if oil consumption increases, blue exhaust smoke appears, or oil fouls the spark plugs. Hardened, cracked, or worn seals are common causes of these symptoms. Replacing the seals with genuine OEM components helps restore correct engine operation.

Compatibility

The genuine General Motors valve stem seal 90410741 is compatible with selected General Motors engines. This OEM engine component is designed to meet original valvetrain specifications. Compatibility may vary by engine type and model year. Please verify the part number 90410741 before purchase.

Installation: DIY or service?

Installation of this genuine OEM General Motors valve stem seal 90410741 requires removal of valve springs and precise handling. Professional installation is strongly recommended to ensure correct sealing and engine performance.