4" Exhaust Flapper & Clamp Backflow Preventer for Marine (18-4457, 89250)

Includes: - 4" Exhaust Flapper & Clamp Backflow Preventer

Fits Models: - Universal / check fitment before purchase

Model Years: - Check fitment before purchase

Submodels: - Applies to listed models

Engine Options: - Compatible with standard engine options

Description: This 4" Exhaust Flapper & Clamp Backflow Preventer is designed for marine applications, ensuring effective prevention of backflow in exhaust systems. It is built to withstand harsh marine environments, providing reliable performance and durability.

Features: - 4-inch diameter for optimal exhaust flow - Durable construction for marine use - Simple installation with included clamp - Prevents backflow to protect engine performance - Suitable for various marine exhaust systems

Part Number: 18-4457, 89250