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Sierra
Sierra Exhaust Plate Gasket 2-pk #18-2904-9
$8.36
$9.84
Sierra 18-2904-9 Engine GasketsExhaust Plate Gasket (Priced Per Pkg of 2)Sierra Exhaust Plate Gasket (Priced Per Pkg of 2) #18-2904-9Normalized SKU: 1829049UPC Code: 808282164072
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Sierra
Sierra Exhaust Protector Valve #18-4456
$36.25
$43.27
Sierra 18-4456 AccessoriesPremium Protector Valves for wet exhausts are made of 100% durable EPDM that is extremely resistant to UV light, ozone, heat, and weather aging. For salt or fresh water. It will give the boat's exhaust system dependable protection in any harsh marine environment. Complete with 3" stainless steel clamps.Replaces: 34765A1, 34765A2OEM Interchange:MERCURY MARINE: 34765A1MERCURY MARINE: 34765A2Sierra Exhaust Protector Valve #18-4456Normalized SKU: 184456UPC Code: 030999621856
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Sierra
Sierra Exhaust Protector Valve #18-4457
$40.08
$48.10
Sierra 18-4457 AccessoriesPremium Protector Valves for wet exhausts are made of 100% durable EPDM that is extremely resistant to UV light, ozone, heat, and weather aging. For salt or fresh water. It will give the boat's exhaust system dependable protection in any harsh marine environment. Complete with stainless steel clamps.Replaces: 12644A1OEM Interchange:MERCURY MARINE: 12644A1Sierra Exhaust Protector Valve #18-4457Normalized SKU: 184457UPC Code: 030999621863
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Sierra
Sierra Exhaust Protector Valve #18-4458
$75.69
$93.96
Sierra 18-4458 Accessories
Features:
Compounded rubber flapper valves prevent water from entering the exhaust system
Made with weather-resistant EPDM with U/V stabilizer
5" Requires two 45° cuts
Additional Details:
Includes: Stainless Steel Clamp
Size: 5" & 6" or 127mm & 152.4mm
Exhaust Protector Valve
Sierra Exhaust Protector Valve #18-4458
Normalized SKU: 184458UPC Code: 030999621870
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Sierra
Sierra Exhaust Protector Valve Display Pack #18-4456D
$3.20
$3.76
Sierra 18-4456D AccessoriesExhaust Protector Valve (Display Pack)Sierra Exhaust Protector Valve (Display Pack) #18-4456DNormalized SKU: 184456DUPC Code: 808282187996
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Sierra
Sierra Exhaust Protector Valve Display Pack #18-4457D
$37.12
$44.31
Sierra 18-4457D AccessoriesExhaust Protector Valve (Display Pack)Sierra Exhaust Protector Valve (Display Pack) #18-4457DNormalized SKU: 184457DUPC Code: 808282188009
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Sierra
Sierra Exhaust Protector Valve Display Pack #18-4458D
$55.28
$66.33
Sierra 18-4458D Accessories
Features:
Compounded rubber flapper valves prevent water from entering the exhaust system
Made with weather-resistant EPDM with U/V stabilizer
5" Requires two 45° cuts
In Display Pack
Additional Details:
Includes: Stainless Steel Clamp
Size: 5" & 6" or 127mm & 152.4mm
Exhaust Protector Valve (Display Pack)
Sierra Exhaust Protector Valve (Display Pack) #18-4458D
Normalized SKU: 184458DUPC Code: 808282184735
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Sierra
Sierra Exhaust Tube #18-0187
$40.35
$48.42
Sierra 18-0187 Exhaust HoseSierra Exhaust Tube #18-0187Normalized SKU: 180187
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Sierra
Sierra Exhaust Tube #18-2759
$65.81
$78.97
Sierra 18-2759 Exhaust HoseExhaust TubeOEM Interchange:MERCURY MARINE: 53114A1Sierra Exhaust Tube #18-2759Normalized SKU: 182759UPC Code: 030999312990
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Sierra
Sierra Exhaust Tube #18-2760
$58.58
$70.29
Sierra 18-2760 Exhaust HoseExhaust TubeOEM Interchange:MERCURY MARINE: 78458A1Sierra Exhaust Tube #18-2760Normalized SKU: 182760UPC Code: 030999313003
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Sierra
Sierra Exhaust Tube #18-2761
$55.10
$66.11
Sierra 18-2761 Exhaust HoseExhaust TubeOEM Interchange:MERCURY MARINE: 32-90949TSierra Exhaust Tube #18-2761Normalized SKU: 182761UPC Code: 030999313010
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Sierra
Sierra Exhaust Tube #18-2762
$42.83
$51.39
Sierra 18-2762 Exhaust HoseExhaust TubeOEM Interchange:MERCURY MARINE: 70981A3Sierra Exhaust Tube #18-2762Normalized SKU: 182762UPC Code: 030999313027
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Sierra
Sierra Exhaust Tube #18-2770
$91.51
$113.60
Sierra 18-2770 Exhaust HoseExhaust TubeOEM Interchange:MERCURY MARINE: 32-807458TSierra Exhaust Tube #18-2770Normalized SKU: 182770UPC Code: 808282101084
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Sierra
Sierra Exhaust Valve #18-4464
$184.11
$233.84
Sierra 18-4464 ValvesExhaust ValveOEM Interchange:VOLVO: 829620Sierra Exhaust Valve #18-4464Normalized SKU: 184464UPC Code: 808282188559
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Sierra
Sierra Exhaust Valve #18-4469
$203.98
$259.07
Sierra 18-4469 ValvesExhaust ValveOEM Interchange:VOLVO: 1542389Sierra Exhaust Valve #18-4469Normalized SKU: 184469UPC Code: 808282188962
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Sierra
Sierra Exhaust Valve #18-4470
$109.68
$136.15
Sierra 18-4470 ValvesExhaust ValveOEM Interchange:VOLVO: 419735Sierra Exhaust Valve #18-4470Normalized SKU: 184470UPC Code: 808282188986
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Sierra
Sierra Exhaust Valve #18-4471
$157.65
$200.22
Sierra 18-4471 ValvesExhaust ValveOEM Interchange:VOLVO: 838638Sierra Exhaust Valve #18-4471Normalized SKU: 184471UPC Code: 808282189006
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Sierra
Sierra Exhaust Valve 1.50in #18-4733
$12.07
$14.41
Sierra 18-4733 ValvesSierra Exhaust Valve 1.50in #18-4733Normalized SKU: 184733UPC Code: 808282315948
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Sierra
Sierra Exhaust Valve 1.60in #18-4736
$12.07
$14.41
Sierra 18-4736 ValvesSierra Exhaust Valve 1.60in #18-4736Normalized SKU: 184736UPC Code: 808282315979
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Sierra
Sierra Exhaust Water Shutter #18-2727
$35.96
$42.92
Sierra 18-2727 Accessories
Exhaust Water Shutter
Length: 3"
Width: 3.780"
OEM Interchange:MERCURY MARINE: 60930
Normalized SKU: 182727UPC Code: 808282111663
Frequently Asked Questions
First Choice Marine is an online marine retailer carrying a diverse line of marine parts and accessories and related items from industry-respected and demanded manufacturers and suppliers. Through our diverse distributor network, we are able to access over 150,000 items, including our current site inventory, new products being added, and special order items. If you need it on your boat... we are your one-stop shop!
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