LOCK-VALVE @2 (8M0042989)

Keep your Mercury engine operating reliably with the Genuine Mercury Lock Valve (8M0042989). Mercury engineers this OEM replacement lock valve to provide the correct fit for compatible Mercury outboard applications. It helps secure the valve assembly in place, supporting accurate valve operation and long-term engine reliability.

Whether you’re rebuilding an engine or replacing worn internal components, this genuine Mercury part helps restore factory performance and gives you confidence on the water.

Built for Reliable Engine Performance

Internal engine components operate under constant heat, pressure, and vibration. This genuine Mercury lock valve delivers the strength and precision needed to maintain proper valve assembly alignment and secure operation. Its durable construction withstands demanding marine conditions and supports dependable engine performance.

Replacing worn or damaged valve components during servicing also helps maintain engine efficiency and reduce the risk of premature wear.

Why Choose Genuine Mercury Parts?

Choose genuine Mercury parts to protect your investment and maintain factory performance. Mercury manufactures every OEM component to strict quality standards, ensuring the correct fit, dependable operation, and long service life. Unlike many aftermarket alternatives, this lock valve fits compatible Mercury applications precisely and installs with confidence.

Features:

• Genuine Mercury OEM Lock Valve
• Part Number: 8M0042989
• Precision fit for compatible Mercury outboard applications
• Helps secure the valve assembly for reliable operation
• Durable construction for demanding marine environments
• Ideal replacement for worn or damaged valve components
• Supports dependable engine performance and maintenance

Always confirm compatibility with your Mercury engine using your engine model and serial number before ordering.

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