ACDelco 09158057 Genuine GM Valve Stem Oil Seal

The ACDelco 09158057 is a Genuine GM Valve Stem Oil Seal designed to prevent engine oil from leaking past the valve stems and into the combustion chamber. This OEM-specification seal helps maintain proper lubrication and minimizes oil consumption, smoke, and fouled spark plugs.

Key Features:

• Genuine ACDelco OEM replacement part — direct fit, no modifications required
• Engineered to seal valve stems against oil intrusion into the combustion chamber
• Manufactured to original GM specifications for reliable, long-lasting performance
• Helps reduce oil consumption, blue exhaust smoke, and carbon buildup on valves
• Restores proper valve train sealing on applicable GM engines

ACDelco Genuine Parts are the same components used in the assembly of GM vehicles, ensuring a factory-quality fit and function. The 09158057 valve stem oil seal is an essential component during engine rebuilds, valve jobs, or when addressing oil burning and smoking issues.