Sierra Marine 18-4458 Exhaust Protector Valve
Sierra 18-4458 Exhaust Flap. Fits 5" and 6" thru-hull exhaust outlets. Includes Stainless Steel clamp. Fits 6" outlet without modification, and also fits 5" outlet by removing a small, marked section at the bottom of the clamp portion. Heavy duty rubber flap valve helps to prevent water from surging into the exhaust system.
Brand | Sierra |
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Cross Reference / Specs |
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