Quicksilver 866725 Brass Manifold Drain Fitting 3/4 NPT

The Quicksilver 866725 is a brass manifold drain fitting designed for MerCruiser stern drive and inboard marine engines. This genuine Mercury Marine OEM replacement part features 3/4-inch NPT threading for secure installation in exhaust manifolds and engine blocks.

Key Features:

• Genuine Quicksilver OEM part for Mercury MerCruiser engines
• Durable brass construction for corrosion resistance in marine environments
• 3/4-inch NPT straight thread configuration
• Designed for exhaust manifold and cylinder block drainage applications
• Direct replacement for original equipment

This fitting is an essential component for proper engine winterization and maintenance, allowing complete drainage of cooling system water from the exhaust manifold to prevent freeze damage. Quicksilver parts are manufactured to Mercury Marine's exacting specifications to ensure reliable performance and proper fit.