Description
Sierra 18-4458 marine exhaust protector valve. Compounded rubber flapper valves prevent water from entering the exhaust system. Made with weather resistant EPDM with U/V stabilizer. 5″ Requires two 45 degrees cuts. Includes: Stainless Steel Clamp, Size: 5″ & 6″ or 127mm & 152.4mm. Replaces: GLM 89260, Mallory 9-44002.
About SierraSierra provides premium-quality aftermarket replacements for over 6,000 marine parts, tools, and components. Sierra products are engineered to meet or exceed OEM standards, and stand up in harsh marine environments. Every new Sierra part comes with a limited lifetime warranty that covers the useful life of the product against any defects in workmanship and materials.
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