-17% sale
Sierra Not Qualified for Free Shipping Sierra Exhaust Elbow Gasket #18-0430
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Sierra Sierra Exhaust Elbow Gasket #18-0430 $10.52 $12.56
Sierra 18-0430 Engine GasketsExhaust Elbow GasketOEM Interchange:OMC: 912477Sierra Exhaust Elbow Gasket #18-0430Normalized SKU: 180430UPC Code: 030999873972
-17% sale
Sierra Not Qualified for Free Shipping Sierra Thermostat Gasket 2-pk #18-0412-9
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Sierra Sierra Thermostat Gasket 2-pk #18-0412-9 $9.69 $11.56
Sierra 18-0412-9 Engine GasketsThermostat Gasket (Priced Per Pkg of 2)Sierra Thermostat Gasket (Priced Per Pkg of 2) #18-0412-9Normalized SKU: 1804129UPC Code: 808282161576
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Intake Manifold Gasket Set #18-0410
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Sierra Sierra Intake Manifold Gasket Set #18-0410 $64.73 $77.67
Sierra 18-0410 Engine GasketsIntake Manifold Gasket SetOEM Interchange:MERCURY MARINE: 27-75648OMC: 3853912OMC: 3853913OMC: 3854406OMC: 986103OMC: 986104OMC: 988162VOLVO: 3853912VOLVO: 3853913VOLVO: 3854406Sierra Intake Manifold Gasket Set #18-0410Normalized SKU: 180410UPC Code: 030999873835
Sold out -20% sale
Sierra Not Qualified for Free Shipping Sierra Oil Pan Gasket Set #18-0407
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Sierra Sierra Oil Pan Gasket Set #18-0407 $90.92 $112.86
Sierra 18-0407 Engine GasketsOil Pan Gasket SetOEM Interchange:MERCURY MARINE: 27-64798OMC: 508872Sierra Oil Pan Gasket Set #18-0407Normalized SKU: 180407UPC Code: 030999873828
-17% sale
Sierra Not Qualified for Free Shipping Sierra Oil Pan Gasket #18-0405
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Sierra Sierra Oil Pan Gasket #18-0405 $55.80 $66.96
Sierra 18-0405 Engine GasketsOil Pan GasketOEM Interchange:CRUSADER: 7090190MERCURY MARINE: 27-14247-1MERCURY MARINE: 27-883964OMC: 3852655OMC: 912955VOLVO: 3852655Sierra Oil Pan Gasket #18-0405Normalized SKU: 180405UPC Code: 030999873811
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Oil Pan Gasket Set #18-0411
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Sierra Sierra Oil Pan Gasket Set #18-0411 $36.61 $43.70
Sierra 18-0411 Engine GasketsOil Pan Gasket SetOEM Interchange:MERCURY MARINE: 27-90458A1OMC: 14079398OMC: 357159OMC: 458625OMC: 508876Sierra Oil Pan Gasket Set #18-0411Normalized SKU: 180411UPC Code: 030999873842
-20% sale
Sierra Not Qualified for Free Shipping Sierra Intake Gasket Kit #18-0404
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Sierra Sierra Intake Gasket Kit #18-0404 $91.99 $114.19
Sierra 18-0404 Engine GasketsIntake Gasket KitOEM Interchange:MERCURY MARINE: 27-805403A1Sierra Intake Gasket Kit #18-0404Normalized SKU: 180404UPC Code: 808282201036
Sold out -15% sale
Sierra Not Qualified for Free Shipping Sierra Thermostat Gasket #18-0397
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Sierra Sierra Thermostat Gasket #18-0397 $3.52 $4.14
Sierra 18-0397 Engine GasketsThermostat GasketOEM Interchange:OMC: 318917Sierra Thermostat Gasket #18-0397Normalized SKU: 180397UPC Code: 030999873767
-17% sale
Sierra Not Qualified for Free Shipping Sierra Heat Exchanger End Gasket #18-0389
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Sierra Sierra Heat Exchanger End Gasket #18-0389 $10.74 $12.82
Sierra 18-0389 Engine Gaskets Heat Exchanger End Gasket OEM Interchange:MERCURY MARINE: 27-99960 Additional Details:Diameter: 3 15/16"Fits: 3.7L w/ 4 inch heat exchanger Sierra Heat Exchanger End Gasket #18-0389 Normalized SKU: 180389UPC Code: 030999873705
-17% sale
Sierra Not Qualified for Free Shipping Sierra Exhaust Manifold Gasket #18-0401
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Sierra Sierra Exhaust Manifold Gasket #18-0401 $14.32 $17.09
Sierra 18-0401 Engine GasketsExhaust Manifold GasketOEM Interchange:OMC: 913393Sierra Exhaust Manifold Gasket #18-0401Normalized SKU: 180401UPC Code: 030999873798
-15% sale
Sierra Not Qualified for Free Shipping Sierra Thermostat Gasket 2-pk #18-0398-9
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Sierra Sierra Thermostat Gasket 2-pk #18-0398-9 $7.96 $9.36
Sierra 18-0398-9 Engine GasketsThermostat Gasket (Priced Per Pkg of 2)Sierra Thermostat Gasket (Priced Per Pkg of 2) #18-0398-9Normalized SKU: 1803989UPC Code: 808282161569
-20% sale
Sierra Not Qualified for Free Shipping Sierra Intake Gasket Kit #18-0403
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Sierra Sierra Intake Gasket Kit #18-0403 $102.27 $126.95
Sierra 18-0403 Engine GasketsIntake Gasket KitOEM Interchange:MERCURY MARINE: 27-805722A1Sierra Intake Gasket Kit #18-0403Normalized SKU: 180403UPC Code: 808282200602
-15% sale
Sierra Not Qualified for Free Shipping Sierra Carb Gasket #18-0384
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Sierra Sierra Carb Gasket #18-0384 $2.16 $2.54
Sierra 18-0384 Engine GasketsCarb GasketOEM Interchange:MERCURY MARINE: 27-892211Sierra Carb Gasket #18-0384Normalized SKU: 180384UPC Code: 030999949622
-16% sale
Sierra Not Qualified for Free Shipping Sierra Water Pump Body Gasket #18-0386
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Sierra Sierra Water Pump Body Gasket #18-0386 $2.60 $3.06
Sierra 18-0386 Engine GasketsWater Pump Body GasketOEM Interchange:MERCURY MARINE: 27-94914Sierra Water Pump Body Gasket #18-0386Normalized SKU: 180386UPC Code: 030999873675
-15% sale
Sierra Not Qualified for Free Shipping Sierra Power Trim Hose Connector Gasket #18-0388
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Sierra Sierra Power Trim Hose Connector Gasket #18-0388 $3.15 $3.70
Sierra 18-0388 Engine GasketsPower Trim Hose Connector GasketOEM Interchange:MERCURY MARINE: 27-988231Sierra Power Trim Hose Connector Gasket #18-0388Normalized SKU: 180388UPC Code: 030999873699
Sold out -16% sale
Sierra Not Qualified for Free Shipping Sierra Powerhead Base Gasket #18-0385
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Sierra Sierra Powerhead Base Gasket #18-0385 $3.62 $4.26
Sierra 18-0385 Engine GasketsPowerhead Base GasketOEM Interchange:MERCURY MARINE: 27-89937Sierra Powerhead Base Gasket #18-0385Normalized SKU: 180385UPC Code: 808282257354
-17% sale
Sierra Not Qualified for Free Shipping Sierra Powerhead Base Gasket #18-0378
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Sierra Sierra Powerhead Base Gasket #18-0378 $50.33 $60.39
Sierra 18-0378 Engine GasketsPowerhead Base GasketOEM Interchange:MERCURY MARINE: 27-823142MERCURY MARINE: 27-823142 2Sierra Powerhead Base Gasket #18-0378Normalized SKU: 180378UPC Code: 030999873613
Sold out -20% sale
Sierra Not Qualified for Free Shipping Sierra Thermostat Gasket #18-0380
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Sierra Sierra Thermostat Gasket #18-0380 $102.95 $127.80
Sierra 18-0380 Engine GasketsThermostat GasketOEM Interchange:MERCURY MARINE: 27-83940MSierra Thermostat Gasket #18-0380Normalized SKU: 180380UPC Code: 030999873637
-15% sale
Sierra Not Qualified for Free Shipping Sierra CylIndustrialer Block Cover Gasket #18-0372
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Sierra Sierra CylIndustrialer Block Cover Gasket #18-0372 $5.10 $6.00
Sierra 18-0372 Engine GasketsCylinder Block Cover GasketOEM Interchange:MERCURY MARINE: 27-78410Sierra CylIndustrialer Block Cover Gasket #18-0372Normalized SKU: 180372UPC Code: 030999873576
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Gasket Set #18-0376
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Sierra Sierra Gasket Set #18-0376 $9.94 $11.86
Sierra 18-0376 Engine GasketsGasket SetSierra Gasket Set #18-0376Normalized SKU: 180376UPC Code: 808282188665

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!

Yes, we offer FREE Shipping on most orders over $149 to US-48*.

Each product displays a shipping status message, just above the item price. Below is the meaning for each of these codes.

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  • Qualifies for Free Ground Shipping: This item qualifies for free ground shipping when the order is $149+.
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Below the price of the item, on the product page, there is a message indicating the availability of the product.

The quantity on hand is updated as inventory events happen and matches what we have available. If you have urgent needs and we are close to what you need, contact us, and we can confirm stock.

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