4" Exhaust Flapper Protector Valve for Mercruiser (18-4457, 12644Q01, 12644A1)

Includes: - 4" Exhaust Flapper Protector Valve

Fits Models: - Mercruiser

Model Years: - Check fitment before purchase

Submodels: - Applies to listed models

Engine Options: - Compatible with standard engine options

Description: This 4" Exhaust Flapper Protector Valve is designed for use with Mercruiser marine engines. It helps protect the exhaust flapper from damage. This part is essential for maintaining proper exhaust flow and preventing water intrusion.

Features: - Durable construction for marine environments - Bolt-on installation for quick maintenance - Compatible with various Mercruiser models - Helps prevent exhaust system damage

Part Numbers: 18-4457, 12644Q01, 12644A1