Manifold Engine Block Drain Plugs 18-4226 for Mercruiser 22-806608A02 10Pcs

Manifold Engine Block Drain Plugs for Mercruiser

This set of 10 manifold engine block drain plugs for Mercruiser replaces OEM part numbers 18-4226 and 22-806608A02, providing a reliable seal for draining coolant from the engine block and manifolds.

Overview

These drain plugs are essential for routine maintenance of MerCruiser engines. They allow for easy draining of coolant from the engine block and exhaust manifolds. Each set includes 10 plugs for complete coverage.

Built For Performance

• Precision-threaded for a secure fit
• Corrosion-resistant brass or stainless steel construction
• Includes 10 plugs for multiple drain points
• Direct replacement for OEM 18-4226 and 22-806608A02
• High-temperature resistant seals
• Easy to install with standard tools

On-The-Job Use

• Used during oil changes and coolant flushes
• Essential for winterizing MerCruiser engines
• Helps prevent block cracks from freezing
• Works with both closed and open cooling systems

Specs At A Glance

Good To Know

Q: Are these plugs compatible with all MerCruiser engines? A: They are designed for most MerCruiser blocks, but verify your specific model.

Q: Can I use these for both manifold and block drains? A: Yes, they work for both locations.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.