5X For Mercruiser & Manifold Block Drain Blue Plug Kit 8M2000874 22-806608A1

Manifold Block Drain Plug Kit for Mercruiser

This 5-piece blue drain plug kit (OEM cross-reference 8M2000874 and 22-806608A1) is designed for Mercruiser marine engines and manifold block drains, providing a secure, corrosion-resistant seal to prevent coolant leaks.

Overview

This blue drain plug kit includes five thread-in plugs for draining coolant from Mercruiser manifolds and engine blocks. The kit is essential for winterizing and routine maintenance, ensuring no water remains to cause freezing damage. Each plug is crafted for a snug fit in standard Mercruiser drain ports.

Built For Performance

• Blue anodized finish for easy visual leak detection
• Corrosion-resistant material suited for marine environments
• O-ring included on each plug for a positive seal
• Self-tapping threads simplify installation
• Durable construction withstands repeated use

On-The-Job Use

• Perfect for winterizing Mercruiser stern drives
• Ideal for manifold and block drain ports
• Used by mechanics for quick coolant evacuation
• Works with standard sockets and wrenches

Specs At A Glance

Good To Know

Q: Are these plugs compatible with all Mercruiser engines? A: These plugs are designed to fit standard Mercruiser manifold and block drain ports, but verify your specific model and thread size before use.

Q: Can I reuse these plugs after draining? A: Yes, the plugs are reusable. Inspect the O-rings for wear and replace if necessary to maintain a proper seal.

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