-22% sale
Seakamp Qualifies for Free Shipping Seakamp 1-1/4
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Seakamp Seakamp 1-1/4" Mercury Oil Cooler #862837T $304.59 $386.85
Seakamp 862837T Oil Coolers Seakamp Mercruiser replacement oil cooler 12" core length 16-1/2" overall length 1/2 in. inverted flare oil line ports 1-1/4" water connections Replaces Mercruiser 862837T Normalized SKU: 862837T
-17% sale
Seakamp Qualifies for Free Shipping Seakamp 1-1/4
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Seakamp Seakamp 1-1/4" x 1-1/2" Adapter #1 1/4 x 1 1 $19.61 $23.40
Seakamp 1 1/4 X 1 1 Fittings Seakamp hose adapter connects 1-1/4 inch hose to 1-1/2 inch hose Normalized SKU: 11/4X11
-17% sale
Seakamp Qualifies for Free Shipping Seakamp 1-1/4
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Seakamp Seakamp 1-1/4" x 90-Degree Adapter #1 1/4 x 90 $13.31 $15.89
Seakamp 1 1/4 X 90 Fittings 90-degree copper hose adapter Normalized SKU: 11/4X90
-22% sale
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Seakamp Seakamp 2" x 5" Oil Cooler #63831A3 $217.86 $276.69
Seakamp 63831A3 Oil CoolersSeakamp 2" x 5" Oil Cooler #63831A3Normalized SKU: 63831A3
Sold out -20% sale
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Seakamp Seakamp 3" Diameter Heat Exchanger M4-30" #302631 $598.63 $747.17
Seakamp 302631 Heat ExchangerSeakamp 3" Diameter Heat Exchanger M4-30" #302631Normalized SKU: 302631
-17% sale
Seakamp Qualifies for Free Shipping Seakamp 3
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Seakamp Seakamp 3" Heat Exchange End Cap Kit #SK3300C $45.83 $54.99
Seakamp SK3300C Heat Exchanger 3" Heat Exchange End Cap Kit Normalized SKU: SK3300C
Sold out -18% sale
Seakamp Qualifies for Free Shipping Seakamp 3
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Seakamp Seakamp 3" x 13" HE Mounts Brazed to Cooler #15799-13CN $717.24 $868.53
Seakamp 15799-13CN Oil Coolers Transfers the heat from the engine's closed cooling water to raw water cooling system. Provides engine protection by only allowing freshwater and coolant to contact the engine base. Replaces Sen-Dure 2889-1-5 Replaces Westerbeke 15799, SK-15799-13 Normalized SKU: 1579913CN
-16% sale
Seakamp Qualifies for Free Shipping Seakamp 3-1/8
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Seakamp Seakamp 3-1/8" Heat Exchanger Gasket #SK5300 $7.80 $9.18
Seakamp SK5300 Heat Exchanger 3-1/8 inch Heat Exchanger Gasket Normalized SKU: SK5300
-17% sale
Seakamp Qualifies for Free Shipping Seakamp 3-3/4
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Seakamp Seakamp 3-3/4" Heat Exchanger Gasket #SK5400 $8.32 $9.93
Seakamp SK5400 Heat Exchanger 3-3/4 inch gasket for 4-1/8 inch heat exchanger cover plate Normalized SKU: SK5400
Sold out -17% sale
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Seakamp Seakamp 3/4" x 1" x 3/4" Tee Fitting #3/4X1X3/4 $53.25 $63.90
Seakamp 3/4x1x3/4 Tee FittingsSeakamp 3/4" x 1" x 3/4" Tee Fitting #3/4X1X3/4Normalized SKU: 3/4x1x3/4Tee
-17% sale
Seakamp Qualifies for Free Shipping Seakamp 3/4
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Seakamp Seakamp 3/4" x 90-Degree Adapter #3/4 x 90 $21.72 $25.92
Seakamp 3/4 X 90 Fittings 3/4 inch x 90-degree Adapter Normalized SKU: 3/4X90
-17% sale
Seakamp Qualifies for Free Shipping Seakamp 4
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Seakamp Seakamp 4" Heat Exchange End Cap Kit #SK3400C $56.57 $67.88
Seakamp SK3400C Heat Exchanger 4" Heat Exchange End Cap Kit Normalized SKU: SK3400C
NEW ARRIVAL -14% sale
Seakamp Qualifies for Free Shipping Seakamp 496 Mag Heat Exchanger #863903-T Seakamp Qualifies for Free Shipping Seakamp 496 Mag Heat Exchanger #863903-T
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Seakamp Seakamp 496 Mag Heat Exchanger #863903-T $1,258.65 $1,460.03
Seakamp 863903-T Heat Exchanger 4-inch diameter replacement for the original 3.5 inch MerCruiser heat exchanger, compatible with 496 MAG and 8.1 liter engines. Mercruiser heat exchanger for 496 MAG and 8.1 liter engine applications Replaces Mercruiser part numbers 861945T, 863903T, and 863903A01 Normalized SKU: 863903T
-20% sale
Seakamp Qualifies for Free Shipping Seakamp 5
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Seakamp Seakamp 5" Heat Exchange End Cap Kit #SK1500C $99.40 $123.39
Seakamp SK1500C Heat Exchanger Cast brass 5" diameter end cap with gasket and stainless steel bolt. Brass end cap for 5" diameter heat exchanger Includes end cap, end cap gasket, mounting bolt, and bolt seal Normalized SKU: SK1500C
-17% sale
Seakamp Qualifies for Free Shipping Seakamp 5-1/8
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Seakamp Seakamp 5-1/8" End Cap Gasket #SK5500 $8.93 $10.66
Seakamp SK5500 Engine Gaskets Gasket for 5-1/8 inch Heat Exchanger End Cap. Measures approximately 4-3/4 inch diameter Replaces Seakamp 5500 Normalized SKU: SK5500
-22% sale
Seakamp Qualifies for Free Shipping Seakamp 6
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Seakamp Seakamp 6" Heat Exchange End Cap Kit #SK1600C $145.49 $184.79
Seakamp SK1600C Heat Exchanger 6" Heat Exchange End Cap Kit Normalized SKU: SK1600C
-17% sale
Seakamp Qualifies for Free Shipping Seakamp 6-1/8
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Seakamp Seakamp 6-1/8" Heat Exchanger Gasket #SK5600 $14.51 $17.32
Seakamp SK5600 Heat Exchanger 6-1/8 inch Heat Exchanger Gasket Normalized SKU: SK5600
-22% sale
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Seakamp Seakamp Chrysler Thermostat Housing 75-85 #3745360 $184.35 $234.13
Seakamp 3745360 Thermostats & PartsSeakamp Chrysler Thermostat Housing 75-85 #3745360Normalized SKU: 3745360
NEW ARRIVAL -20% sale
Seakamp Qualifies for Free Shipping Seakamp Coolant Overflow Recovery Tank #SK-3111
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Seakamp Seakamp Coolant Overflow Recovery Tank #SK-3111 $76.81 $95.35
Seakamp SK-3111 Expansion Tank Designed to work as an overflow reservoir for marine engine coolant. Translucent plasticReplaces Marine Power 527070Replaces Mercruiser 71587A10Replaces R & D Enterprises Inc 222Replaces Universal 300238Replaces Seakamp Engineering SK3111-14Normalized SKU: SK3111
Sold out -20% sale
Seakamp Qualifies for Free Shipping Seakamp Coolant Recovery Tank with Bracket #14 Cap #SK3111-14
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Seakamp Seakamp Coolant Recovery Tank with Bracket #14 Cap #SK3111-14 $73.91 $91.75
Seakamp SK3111-14 Expansion Tank Seakamp coolant overflow recovery tank Translucent plastic Replaces Marine Power 527070 Replaces Mercruiser 71587A10 Replaces R & D Enterprises Inc 222 Replaces Universal 300238 Replaces Seakamp Engineering SK3111 Normalized SKU: SK311114

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+.
  • Oversized - Not Qualified for Free Shipping: This item is too large/heavy to qualify for free shipping
  • Hazardous Item - Not Qualified for Free Shipping: This item is hazardous and does not qualify for free shipping
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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.

We offer a hassle-free return policy. If you're not completely satisfied with your purchase, you can return it within 30 days for a full refund or exchange.

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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