Exhaust water shutter kit 807166A2 is for use on MerCruiser sterndrive engine Y-pipes with 2.98 in. diameter at the cross pin. These shutters act as a check valve to prevent water from entering the engine through the exhaust system. Easy to install with common shop tools for reliable engine protection.
- For use on MerCruiser sterndrive engine Y-pipes with 2.98 in. diameter at cross pin
- Prevents water backflow into the engine
- Easy to install with common shop tools
- Produced to meet Mercury Marine original equipment manufacturer specifications
