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Add to CartSierra 18-4458 Universal 5" Exhaust Protector Valve
Sierra high-quality engine parts are designed to meet OEM specifications. Fits both 5" & 6" Exhaust and includes stainless steel clamp.
Replaces:
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Sierra 18-4456 Universal 3" Exhaust Flapper Includes 3" stainless steel clamp. Features: Compounded rubber flapper valves stops water from entering the exhaust system Constructed with weather...
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Sierra 18-4457 Mercruiser Exhaust Protector Valve - Replaces 12644A1 The Sierra 18-4457 Exhaust protector valve is a compounded rubber flapper valve that prevents water from entering the exhaust...
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Sierra 18-2759 Mercruiser Exhaust Tube Sierra high-quality engine parts are designed to meet OEM specifications. This Tube fits MCM 120 & 140: 160 & 165 (in-line 6 cyl.) Interchangeable...
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Sierra 18-2758 Exhaust Bellows for Volvo Penta Sierra replacement exhaust bellows for Volvo Penta engines. Sierra engine parts are manufactured to meet or exceed OEM requirements. Includes (2)...
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Sierra 18-2781 Lower Exhaust Hose Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable with: GLM 89230 Mallory 9-72801 OMC Stern...
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