Description
Keep your MerCruiser cooling system draining properly with this reliable Sierra 18-4224 Drain Elbow Assembly. This high-quality aftermarket replacement is designed for MCM/MIE V-6 and V-8 engines with center-rise exhaust manifolds.
Features
- 3/4" NPT thread size
- Includes drain (nylon/plastic elbow assembly, typically with drain plug)
- Engineered to meet or exceed OEM specifications for durability in harsh marine environments
Specifications
- Replaces:MerCruiser / Mercury: 22-806926A1, 22-862210A01, GLM: 13990, Mallory: 9-41200





