Exhaust Flapper & Clamp Backflow Preventer for Marine (5" & 6") - Replaces 18-4458, 89260

Includes: - 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 Exhaust Flapper & Clamp Backflow Preventer is designed for marine applications. It is compatible with 5" and 6" exhaust systems and is a direct replacement for part numbers 18-4458 and 89260. This component is essential for maintaining engine efficiency and protecting against water intrusion.

Features: - Prevents backflow in marine exhaust systems - Compatible with 5" and 6" exhaust diameters - Direct replacement for part numbers 18-4458 and 89260 - Durable construction for marine environments - Straightforward fitment for quick maintenance