4" Exhaust Flapper Clamp Backflow Preventer for Marine (Repl 18-4457, 12644Q01, 12644A)

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 optimal exhaust flow while preventing backflow. It is a reliable replacement for part numbers 18-4457, 12644Q01, and 12644A, making it a versatile choice for various marine engines.

Features: - Durable construction for long-lasting performance - Simple installation with standard fittings - Prevents backflow to protect engine integrity - Compatible with a range of marine engine models - Designed to withstand harsh marine environments