Exhaust Manifold 90 Degree Drain Plug Elbow For MerCruiser 22-862210A01, 18-4224

Exhaust Manifold 90 Degree Drain Plug Elbow for MerCruiser

This 90 degree drain plug elbow for MerCruiser exhaust manifolds provides a convenient angled port for draining cooling water, with OEM cross-reference numbers 22-862210A01 and 18-4224.

Overview

This exhaust manifold drain plug elbow is a 90 degree fitting that replaces the original straight plug on MerCruiser engines. It simplifies seasonal winterization and routine maintenance by allowing easy access to the water drain port. Made for direct fitment with the listed OEM part numbers, this elbow is essential for keeping your marine engine’s cooling system clear.

Built For Performance

• Machined from brass or stainless steel for corrosion resistance in marine environments
• 90 degree angle provides clearance for tight engine compartments
• Precision threads ensure a leak-free seal
• Designed to handle high temperatures and pressure from exhaust system
• Includes O-ring or gasket for secure installation

On-The-Job Use

• Used to drain cooling water from the exhaust manifold before winter storage
• Helps prevent freeze damage in cold climates
• Installed during regular maintenance to flush the system
• Commonly used in boat yards and DIY marina service

Specs At A Glance

Good To Know

Q: Is this drain plug elbow a direct replacement for the factory plug? A: Yes, it is designed to thread directly into the MerCruiser exhaust manifold drain port using the same size threads as the original plug.

Q: Do I need any additional parts for installation? A: Typically no, but we recommend applying thread sealant or Teflon tape to ensure a watertight seal and prevent leaks.

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