NOK UV0817-E0 Valve Stem Seal

The NOK UV0817-E0 is a precision-engineered valve stem seal designed to control oil metering and lubrication in internal combustion engines. This seal plays a critical role in preventing engine oil from entering the combustion chamber while ensuring proper lubrication of the valve stem and guide interface.

Key Features:

• Manufactured by NOK, a global leader in sealing technology
• Prevents oil leakage into the combustion chamber and exhaust system
• Controls precise oil metering for optimal valve guide lubrication
• Helps reduce engine emissions and oil consumption
• Designed to withstand high temperatures and exposure to engine oils
• Low-friction design minimizes valve train wear

Valve stem seals are essential engine components that maintain proper sealing between the valve stem and guide. This NOK seal helps ensure long-term emissions control, extended service life, and maximum valve train performance in automotive and powersports applications.