Exhaust Flapper Water Shutter for Mercruiser 807166A3

This exhaust flapper water shutter is designed for Mercruiser engines, providing essential water flow control.

• brand: Mercruiser | fitment: Y-Pipe 1982-1996
• key spec: water shutter design
• compatibility: OEM part number 807166A3

Please check fitment, sizing, and compatibility before purchasing. Professional installation is recommended where required.