Heat Exchangers

We offer replacement or upgraded marine heat exchangers for boats with sterndrives including; Mercruisier, Volvo Penta and OMC. New replacement heat exchangers are offered for your inboard powered boat with an aging or worn marine heat exchanger, including; Atomic 4, Pleasurecraft, Crusader, Mercruiser, Chrysler, OMC and Chris-Craft.

254 Products

$579.07
Onan Replacement Heat Exchanger, (New #130-1338); Fits MDJE CuNi, 130-0904CN
SKU: 89602
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Mfr: SEAKAMP ENGINEERING INC
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Mfg# 130-0904CN
$371.45
Onan Replacement Heat Exchanger, 2" Diameter x 12-1/4" long CuNi, 130-4067CN
SKU: 191944
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Mfr: SEAKAMP ENGINEERING INC
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Mfg# 130-4067CN
$371.45
Onan Replacement Heat Exchanger, 8KW; Fits MDKD; CuNi; Sendure 4366-3-7, 130-2343CN
SKU: 89603
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Mfr: SEAKAMP ENGINEERING INC
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Mfg# 130-2343CN
$408.45
Onan Replacement Heat Exchanger, Fits MCCK CuNi, 130-0874CN
SKU: 555552
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Mfr: SEAKAMP ENGINEERING INC
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Mfg# 130-0874CN
$328.42
Onan Replacement Heat Exchanger, Fits MCE 6500 CuNi, 130-3506CN
SKU: 555373
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Mfr: SEAKAMP ENGINEERING INC
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Mfg# 130-3506CN
$371.45
Onan Replacement Heat Exchanger, Single pass CuNi, 130-4702CN
SKU: 558125
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Mfr: SEAKAMP ENGINEERING INC
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Mfg# 130-4702CN
$409.96
Onan Replacement Heat Exchanger, Single pass CuNi, 130-6549CN
SKU: 560131
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Mfr: SEAKAMP ENGINEERING INC
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Mfg# 130-6549CN
Perkins Marine Engine Heat Exchanger, NA001402
SKU: 89747
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Mfr: SEN-DURE PRODUCTS INC
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Mfg# 1273-2-7
Perkins Marine Engine Heat Exchanger, NA001405
SKU: 89748
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Mfr: SEN-DURE PRODUCTS INC
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Mfg# 1383-5-7
Perkins Marine Engine Heat Exchanger, NA001406
SKU: 89750
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Mfr: SEN-DURE PRODUCTS INC
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Mfg# 1448-4-7
Perkins Marine Engine Heat Exchanger, NA001407
SKU: 89749
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Mfr: SEN-DURE PRODUCTS INC
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Mfg# 1396-3-7
Perkins Marine Engine Heat Exchanger, NA001545
SKU: 89752
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Mfr: SEN-DURE PRODUCTS INC
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Mfg# 1814-3-7
Perkins Marine Engine Heat Exchanger, NA001868
SKU: 89753
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Mfr: SEN-DURE PRODUCTS INC
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Mfg# 2551-1-7
Perkins Marine Engine Heat Exchanger, NA004490
SKU: 89751
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Mfr: SEN-DURE PRODUCTS INC
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Mfg# 1550-3-7
$486.09
Perkins Replacement Heat Exchanger, (4-107) 3" Dia Flange, NA001407 Copper Nickel
SKU: 98139
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Mfr: SEAKAMP ENGINEERING INC
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Mfg# NA001407CN
$392.59
Perkins Replacement Heat Exchanger, (4-107) 3" Diameter Flange CuNi, NA001402CN
SKU: 98136
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Mfr: SEAKAMP ENGINEERING INC
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Mfg# NA001402CN
$324.64
Perkins Replacement Heat Exchanger, (4-107) 3" Diameter Flange, NA001402
SKU: 549466
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Mfr: SEAKAMP ENGINEERING INC
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Mfg# NA001402
$373.72
Perkins Replacement Heat Exchanger, (4-236), NA001405
SKU: 555509
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Mfr: SEAKAMP ENGINEERING INC
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Mfg# NA001405
$416.00
Perkins Replacement Heat Exchanger, (4-236), NA001405CN
SKU: 555510
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Mfr: SEAKAMP ENGINEERING INC
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Mfg# NA001405CN
$397.88
Perkins Replacement Heat Exchanger, (Sendure 1448-4-7) 3x9-1/2" Core; CuNi, NA001406CN
SKU: 98128
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Mfr: SEAKAMP ENGINEERING INC
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Mfg# NA001406CN
$609.27
Perkins Replacement Heat Exchanger, (Sendure 1814-3-5) 4" Dia. Flange, NA001545
SKU: 98129
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Mfr: SEAKAMP ENGINEERING INC
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Mfg# NA001545
$741.40
Perkins Replacement Heat Exchanger, (Sendure 1814-3-7) 4" Dia. Flange, NA001545CN
SKU: 98130
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Mfr: SEAKAMP ENGINEERING INC
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Mfg# NA001545CN
$391.44
Perkins Replacement Heat Exchanger, 10" Dual Oil Cooler 3/8x3/8x1-1/4 CuNi, NA004619CN
SKU: 98163
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Mfr: SEAKAMP ENGINEERING INC
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Mfg# NA004619CN

 

We offer replacement or upgraded marine heat exchangers for boats with sterndrives including; Mercruisier, Volvo Penta and OMC. New replacement heat exchangers are offered for your inboard powered boat with an aging or worn marine heat exchanger, including; Atomic 4, Pleasurecraft, Crusader, Mercruisier, Chrysler, OMC and Chris-Craft. Go2marine also offers a complete line of diesel heat exchangers from the diminutive Westerbeke diesel to the substantial Caterpillar and Detroit Diesels.

 

Seakamp builds heat exchanger tubes and internal plates which are constructed of either copper or longer lasting copper/nickel alloy for inboards, sterndrives and diesel inboard marine engines. Seakamp, manufacturerd in the USA, also builds replacement Sen-dure, San Juan Engineering, and many other aftermarket manufacturer's heat exchangers.

 

Seakamp brings three generations of experience to manufacturing heat exchangers for marine engines. Seakamp builds heat exchangers from either copper or 90/10 copper nickel alloy for nearly any engine application fitted to pleasure and commercial vessels. Custom orders meeting the unique needs of the vessel can be manufactured and supplied in a timely manner; we know that you can’t wait weeks for a replacement heat exchanger!

 

 

Heat Exchanger Construction

 

Heat exchangers are typically constructed of copper cooling tubes or of a copper nickel alloy called cupro-nickel. The copper nickel alloy is most commonly done in a 90/10 ratio although 70/30 is available in limited applications. Heat exchangers built from 90/10 cupro-nickel tubes offer increased resistance to salt water corrosion and biofouling. Cupronickel does not corrode in seawater, because its electrical potential is adjusted to be neutral with regard to seawater. Almost any marine heat exchanger Go2marine offers can be modified for your custom needs; including size, materials, brackets and fittings. Contact our engine parts specialists to help you with your order.