Sold out -15% sale
Sierra Filter Cover Gasket #18-2569
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Sierra Sierra Filter Cover Gasket #18-2569 $0.65 $0.76
Sierra 18-2569 Engine GasketsSierra Filter Cover Gasket #18-2569OEM Interchange:MERCURY MARINE: 27-25849Gaskets: Filter CoverSierra Filter Cover Gasket #18-2569Normalized SKU: 182569UPC Code: 030999562715
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Exhaust Cover Gasket #18-2549
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Sierra Sierra Exhaust Cover Gasket #18-2549 $17.17 $20.50
Sierra 18-2549 Engine GasketsSierra Exhaust Cover Gasket #18-2549OEM Interchange:OMC: 321435Gaskets: Exhaust CoverSierra Exhaust Cover Gasket #18-2549Normalized SKU: 182549UPC Code: 030999312372
Sold out -15% sale
Sierra Not Qualified for Free Shipping Sierra Water Passage Cover Gasket #18-2547
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Sierra Sierra Water Passage Cover Gasket #18-2547 $2.72 $3.20
Sierra 18-2547 Engine GasketsSierra Water Passage Cover Gasket #18-2547OEM Interchange:OMC: 322858Gaskets: Water PassageSierra Water Passage Cover Gasket #18-2547Normalized SKU: 182547UPC Code: 030999312358
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Exhaust Plate Gasket #18-2545
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Sierra Sierra Exhaust Plate Gasket #18-2545 $9.49 $11.32
Sierra 18-2545 Engine GasketsSierra Exhaust Plate Gasket #18-2545OEM Interchange:OMC: 321182Gaskets: Exhaust PlateSierra Exhaust Plate Gasket #18-2545Normalized SKU: 182545UPC Code: 030999312334
-17% sale
Sierra Not Qualified for Free Shipping Sierra Water Jacket Cover Gasket #18-2544
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Sierra Sierra Water Jacket Cover Gasket #18-2544 $8.28 $9.88
Sierra 18-2544 Engine GasketsSierra Water Jacket Cover Gasket #18-2544OEM Interchange:OMC: 321028Gaskets: Water JacketSierra Water Jacket Cover Gasket #18-2544Normalized SKU: 182544UPC Code: 808282257880
-17% sale
Sierra Not Qualified for Free Shipping Sierra Water Jacket Gasket #18-2543
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Sierra Sierra Water Jacket Gasket #18-2543 $21.68 $25.88
Sierra 18-2543 Engine GasketsSierra Water Jacket Gasket #18-2543OEM Interchange:OMC: 318609Gaskets: Water JacketSierra Water Jacket Gasket #18-2543Normalized SKU: 182543UPC Code: 030999312310
-16% sale
Sierra Not Qualified for Free Shipping Sierra Crankcase Gasket #18-2513
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Sierra Sierra Crankcase Gasket #18-2513 $3.38 $3.98
Sierra 18-2513 Engine GasketsSierra Crankcase Gasket #18-2513OEM Interchange:MERCURY MARINE: 27-11338Gaskets: CrankcaseSierra Crankcase Gasket #18-2513Normalized SKU: 182513UPC Code: 030999312105
Sold out -15% sale
Sierra Not Qualified for Free Shipping Sierra Crankcase Gasket #18-2515
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Sierra Sierra Crankcase Gasket #18-2515 $1.72 $2.02
Sierra 18-2515 Engine GasketsSierra Crankcase Gasket #18-2515OEM Interchange:MERCURY MARINE: 27-53862Gaskets: CrankcaseSierra Crankcase Gasket #18-2515Normalized SKU: 182515UPC Code: 030999312129
-15% sale
Sierra Not Qualified for Free Shipping Sierra Crankcase Gasket #18-2514
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Sierra Sierra Crankcase Gasket #18-2514 $3.54 $4.16
Sierra 18-2514 Engine GasketsSierra Crankcase Gasket #18-2514OEM Interchange:MERCURY MARINE: 27-53650Gaskets: CrankcaseSierra Crankcase Gasket #18-2514Normalized SKU: 182514UPC Code: 030999312112
Sold out -15% sale
Sierra Circulation Pump Gasket #18-2518
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Sierra Sierra Circulation Pump Gasket #18-2518 $1.04 $1.22
Sierra 18-2518 Engine GasketsSierra Circulation Pump Gasket #18-2518OEM Interchange:VOLVO: 430017Gaskets: Circulation PumpSierra Circulation Pump Gasket #18-2518Normalized SKU: 182518UPC Code: 030999312143
Sold out -15% sale
Sierra Not Qualified for Free Shipping Sierra Reed Block Housing Gasket #18-2510
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Sierra Sierra Reed Block Housing Gasket #18-2510 $6.53 $7.68
Sierra 18-2510 Engine GasketsSierra Reed Block Housing Gasket #18-2510OEM Interchange:MERCURY MARINE: 27-967611Gaskets: Reed BlockSierra Reed Block Housing Gasket #18-2510Normalized SKU: 182510UPC Code: 030999312075
-16% sale
Sierra Not Qualified for Free Shipping Sierra Crankcase Gasket #18-2512
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Sierra Sierra Crankcase Gasket #18-2512 $1.90 $2.24
Sierra 18-2512 Engine GasketsSierra Crankcase Gasket #18-2512OEM Interchange:MERCURY MARINE: 27-60286Gaskets: CrankcaseSierra Crankcase Gasket #18-2512Normalized SKU: 182512UPC Code: 030999312099
-17% sale
Sierra Not Qualified for Free Shipping Sierra Exhaust Plate Gasket #18-2506-1
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Sierra Sierra Exhaust Plate Gasket #18-2506-1 $9.28 $11.08
Sierra 18-2506-1 Engine GasketsSierra Exhaust Plate Gasket #18-2506-1OEM Interchange:MERCURY MARINE: 27-99176-3MERCURY MARINE: 27-991764Gaskets: Exhaust PlateSierra Exhaust Plate Gasket #18-2506-1Normalized SKU: 1825061UPC Code: 808282203450
-16% sale
Sierra Not Qualified for Free Shipping Sierra Cylinder Block Cover Gasket #18-2507
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Sierra Sierra Cylinder Block Cover Gasket #18-2507 $5.20 $6.12
Sierra 18-2507 Engine GasketsSierra Cylinder Block Cover Gasket #18-2507OEM Interchange:MERCURY MARINE: 27-85487Gaskets: Cylinder Block CoverSierra Cylinder Block Cover Gasket #18-2507Normalized SKU: 182507UPC Code: 030999312044
-17% sale
Sierra Not Qualified for Free Shipping Sierra Exhaust Plate Gasket #18-2508-1
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Sierra Sierra Exhaust Plate Gasket #18-2508-1 $9.66 $11.53
Sierra 18-2508-1 Engine GasketsSierra Exhaust Plate Gasket #18-2508-1OEM Interchange:MERCURY MARINE: 27-997761Gaskets: Exhaust PlateSierra Exhaust Plate Gasket #18-2508-1Normalized SKU: 1825081UPC Code: 808282203443
-16% sale
Sierra Not Qualified for Free Shipping Sierra Block Cover Gasket #18-2504
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Sierra Sierra Block Cover Gasket #18-2504 $5.66 $6.66
Sierra 18-2504 Engine GasketsSierra Block Cover Gasket #18-2504OEM Interchange:MERCURY MARINE: 27-88449Gaskets: Block CoverSierra Block Cover Gasket #18-2504Normalized SKU: 182504UPC Code: 030999312013
-17% sale
Sierra Not Qualified for Free Shipping Sierra Divider Plate Gasket #18-2502
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Sierra Sierra Divider Plate Gasket #18-2502 $8.85 $10.56
Sierra 18-2502 Engine GasketsSierra Divider Plate Gasket #18-2502OEM Interchange:MERCURY MARINE: 27-904841Gaskets: Divider PlateSierra Divider Plate Gasket #18-2502Normalized SKU: 182502UPC Code: 808282257859
Sold out -16% sale
Sierra Not Qualified for Free Shipping Sierra Cylinder Block Cover Gasket #18-2505
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Sierra Sierra Cylinder Block Cover Gasket #18-2505 $5.64 $6.64
Sierra 18-2505 Engine GasketsSierra Cylinder Block Cover Gasket #18-2505OEM Interchange:MERCURY MARINE: 27-961711Gaskets: Cylinder Block CoverSierra Cylinder Block Cover Gasket #18-2505Normalized SKU: 182505UPC Code: 030999312020
Sold out -15% sale
Sierra Not Qualified for Free Shipping Sierra Exhaust Cover Gasket #18-2500
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Sierra Sierra Exhaust Cover Gasket #18-2500 $5.07 $5.96
Sierra 18-2500 Engine GasketsSierra Exhaust Cover Gasket #18-2500OEM Interchange:MERCURY MARINE: 27-85493Gaskets: Exhaust CoverSierra Exhaust Cover Gasket #18-2500Normalized SKU: 182500UPC Code: 030999311979
Sold out -15% sale
Sierra Not Qualified for Free Shipping Sierra End Cap to Manifold Gasket #18-1210
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Sierra Sierra End Cap to Manifold Gasket #18-1210 $0.34 $0.40
Sierra 18-1210 Engine GasketsSierra End Cap to Manifold Gasket #18-1210OEM Interchange:MERCURY MARINE: 27-39923Sierra End Cap to Manifold Gasket #18-1210Normalized SKU: 181210UPC Code: 030999775719

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.

  • Qualifies for Free Shipping: This item qualifies for free shipping when the order is $149+
  • Qualifies for Free Ground Shipping: This item qualifies for free ground shipping when the order is $149+.
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  • In-Store Pickup Only: This item can only be picked up in our Grain Valley, MO retail store

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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If you need to return an item, please follow the guidelines here so we can process a prompt refund and assist you in finding the correct item.

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