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

Includes: - Exhaust Flapper Protector Valve

Fits Models: - Mercruiser Marine Engines

Model Years: - Check fitment before purchase

Submodels: - Applies to listed models

Engine Options: - Compatible with standard engine options

Description: The Exhaust Flapper Protector Valve is designed for Mercruiser marine engines. This part helps prevent water from entering the exhaust when the engine is not running, which can cause damage and corrosion over time.

Features: - Durable construction for marine environments - Direct fitment with compatible Mercruiser models - Protects exhaust system from water intrusion - Designed to meet OEM specifications

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