Mercury Machined Brass Drain Plug 16951Q1 fits most MerCruiser sterndrive and inboard engine blocks and manifolds. This 1/4 in. NPT fitting makes draining cooling water easier for winterizing or changing anti-freeze, and acts as a direct replacement for worn or damaged original plugs.
- Fits most MerCruiser engine blocks and manifolds
- Machined brass construction for long-term durability
- Standard 1/4 in. NPT fitting
- Makes winterizing and periodic maintenance easier
- May fit other brands of marine engines and manifolds