Exhaust Flappers Water Shutters Replaces For 1998 & Up MerCruiser 807166A1

Exhaust Flappers Water Shutters for MerCruiser

These exhaust flappers water shutters replace OEM part number 1662A71 for 1998 & up MerCruiser engines, preventing water backflow into the exhaust system.

Overview

The exhaust flappers water shutters are essential components for MerCruiser marine engines, designed to block water from entering the exhaust during shutdown or backflow. These replacement flappers match OEM specifications for 1998 and newer MerCruiser models, ensuring reliable operation. Made from durable materials, the exhaust flappers water shutters help protect your engine from water damage.

Built For Performance

• Direct replacement for OEM part number 1662A71
• Prevents water from entering the exhaust system
• Constructed from high-temperature silicone rubber
• Corrosion-resistant materials for marine environments
• Includes necessary flappers for a complete installation
• Engineered for 1998 and newer MerCruiser engines

Fits These Machines

• for 1998 and newer MerCruiser engines

On-The-Job Use

• Used in marine exhaust systems to prevent water backflow
• Essential for engine protection during start-up and shutdown
• Commonly replaced during routine exhaust maintenance
• Suitable for stern drive and inboard MerCruiser applications

Specs At A Glance

Good To Know

Q: Are these flappers a direct replacement for the original MerCruiser part? A: Yes, these exhaust flappers water shutters are designed to directly replace MerCruiser OEM part number 1662A71.

Q: Do they work on all MerCruiser engines from 1998? A: They are compatible with most MerCruiser inboard and stern drive engines from 1998 onward, but always verify fitment with your engine's serial number.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.