Mercruiser 3.7 3.7L 3.0 3.0L Exhaust Flapper Water Shutter 60930 Sierra 18-2727

Exhaust Flapper Water Shutter for Mercruiser and for Sierra

This exhaust flapper water shutter for Mercruiser 3.7 3.7L 3.0 3.0L is a replacement marine exhaust water shutter for Sierra 18-2727. It functions as an exhaust flapper and water shutter to keep water out of the engine.

Overview

This exhaust flapper water shutter for Mercruiser 3.7 3.7L 3.0 3.0L replaces OEM 60930 and is a cross-reference for Sierra 18-2727. It is a marine exhaust water shutter designed to block water from re-entering the exhaust system. This exhaust flapper for Mercruiser engines helps maintain a proper exhaust seal during shutdown.

Built For Performance

• Direct replacement exhaust flapper for Mercruiser 3.0 3.0L 3.7 3.7L applications
• Replaces OEM part number 60930
• Compatible with 18-2727 replacement part for Sierra
• Combines exhaust flapper and water shutter function in one service part
• Helps prevent water reversion into exhaust passages

Fits These Machines

• for Mercruiser 3.0
• for Mercruiser 3.0L
• for Mercruiser 3.7
• for Mercruiser 3.7L

On-The-Job Use

• Replacing a worn exhaust flapper on a 3.0L engine for Mercruiser
• Restoring water shutter function on a 3.7L engine for Mercruiser
• Maintaining the exhaust seal on a marine stern drive
• Servicing the water exhaust path during routine maintenance

Specs At A Glance

Good To Know

Q: Will this exhaust flapper for Mercruiser fit both 3.0L and 3.7L engines? A: The item is designed for Mercruiser 3.0, 3.0L, 3.7, and 3.7L applications. Confirm your engine serial number before ordering.

Q: Is the 18-2727 replacement for Sierra a match for this exhaust flapper? A: This exhaust flapper serves as a replacement for both 60930 and 18-2727 for Sierra. Verify compatibility with your existing exhaust setup.

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