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Mercruiser - Direct Replacement Heat Exchangers & Oil Coolers

Mfr. Seakamp Engineering

Mercruiser - Direct Replacement Heat Exchangers & Oil Coolers
$111.29 - $1,156.70
Mercruiser direct replacement heat exchanger allows use of hot water cabin heater in cooler climates.

  • Allows use of hot water cabin heater in cooler climates
  • Winter draining of engine block is unnecessary
  • Dual zinc anodes prevent electrolysis
  • Kit includes detailed instructions
  • Rust inhibitor antifreeze protection
Picture shown may not represent particular item ordered. Please call Go2marine customer service with any questions regarding specific models.

Heat Exchanger QuestionNot sure which Heat Exchanger or Oil Cooler is Right for Your Engine?
Send us your specifications and we will get back to you with a recommendation and a quote!

Part No. Mfr No. Description Sen-Dure OEM Unit Leaves Warehouse* List Price
Your Price
Qty.
Mercruiser 496 Heat Exchanger, 863903A01
296004 863903A01 Each 5 Days $791.42
$676.64
 
Mercruiser Heat Exchanger, 864395T01
330240 864395T01 Each Limited Availability $912.04
$842.14
 
Mercruiser Replacement Dual Oil Cooler, 85151-T
98112 85151-T Dual Oil Cooler Each 3 Days $324.07
$299.23
 
Mercruiser Replacement Heat Exchanger, , 470 conv kit, 3" to 4"
99805 470 conv kit 3" to 4" Conversion Kit Each 5 Days $721.44
$616.81
 
Mercruiser Replacement Heat Exchanger, 1" hose - Power Steering Cooler, 99356A1
98126 99356A1 1" Hose - Power Steering Cooler Each 3 Days $149.95
$138.46
 
Mercruiser Replacement Heat Exchanger, 1-1/4" hose - Power Steering Cooler, 99356A2
98127 99356A2 1-1/4" Hose - Power Steering Cooler Each 3 Days $149.95
$138.46
 
Mercruiser Replacement Heat Exchanger, 2x12 Oil Cooler;Fits MIE 340, 63832-T
98114 63832-T 2x12 1-1/4" Oil Cooler, Fits MIE 340 Each 3 Days $147.45
$136.15
 
Mercruiser Replacement Heat Exchanger, 2x5 Oil Cooler, 63831A3
98116 63831A3 2x5 Oil Cooler Each 3 Days $120.53
$111.29
 
Mercruiser Replacement Heat Exchanger, 2x9 Oil Cooler, 63832A1
98115 63832A1 2x9 Oil Cooler Each 3 Days $127.46
$117.69
 
Mercruiser Replacement Heat Exchanger, 4" Diameter 7.4 Litre Front Mount, 805136T
98098 805136T 4" Dia 7.4 Liter Front Mount Each 3 Days $724.78
$619.66
 
Mercruiser Replacement Heat Exchanger, 4" Diameter 7.4 Litre Front Mount, 805136TCN
204576 805136TCN 805136TCN - Copper Nickel
Mercruiser Replacement Heat Exchanger, 4" x 18-1/2" Shell, 78094
98100 78094 4" x 18-1/2" Shell 2714-1-5 Each 3 Days $633.14
$541.31
 
Mercruiser Replacement Heat Exchanger, 4" x 18-1/4" Lower Outlet 45 Degree, 74643
98099 74643 4" x 18-1/4" Lower Outlet 45 Degree 2162-3-5 Each 3 Days $634.80
$542.74
 
Mercruiser Replacement Heat Exchanger, 4" x 19-1/2" Two-Pass, 62472
98101 62472 4" x 19-1/2" Two-Pass 9445-1-7 Cummins 3910582 Each 3 Days $760.00
$542.86
 
Mercruiser Replacement Heat Exchanger, 4" x 21-1/4" Shell, 79607
98103 79607 4" x 21-1/4" Shell 2826-1-5 NA001405 Each 3 Days $706.45
$603.99
 
Mercruiser Replacement Heat Exchanger, 4" x 21-1/4" Shell, 91036
98102 91036 4" x 21-1/4" Shell 3291-7-5 NA001407 Each 3 Days $610.81
$564.00
 
Mercruiser Replacement Heat Exchanger, 4" x 22" Shell, 18390T
98104 18390T 4" x 22" Shell Each 3 Days $648.97
$554.84
 
Mercruiser Replacement Heat Exchanger, 470 Merc 3" Diameter, 77319
97975 77319 470 Merc 3" Dia 2604-4-5 Each 3 Days $458.20
$391.74
 
Mercruiser Replacement Heat Exchanger, 470 Merc Inboard 3" Diameter, 78165
98096 78165 470 Merc Inboard 3" Dia 2645-4-5 NA001402 Each 3 Days $374.88
$320.51
 
Mercruiser Replacement Heat Exchanger, 470-485 Merc 4" Diameter, 99438
98097 99438 470-485 Merc 4" Dia 61086 Each 3 Days $684.79
$585.47
 
Mercruiser Replacement Heat Exchanger, 5" Diameter 454 Rear Mount, 44446
98105 44446 5" Dia 454 Rear Mount Each 3 Days $974.70
$833.33
 
Mercruiser Replacement Heat Exchanger, 5" x 19-1/2" Shell, 61804
98106 61804 5" x 19-1/2" Shell 1695-1-5 Each 3 Days $944.71
$807.69
 
Mercruiser Replacement Heat Exchanger, 5" x 21-1/4" Shell, 814864
98108 814864 5" x 21-1/4" Shell Each 3 Days $896.39
$766.38
 
Mercruiser Replacement Heat Exchanger, 5" x 22-1/2" Shell, 63107
98107 63107 5" x 22-1/2" Shell 9428-1-7 Cummins 3916002 Each 3 Days $1,001.36
$856.13
 
Mercruiser Replacement Heat Exchanger, 807400A1
165743 807400A1 Each 3 Days $776.42
$663.82
 
Mercruiser Replacement Heat Exchanger, 860234A1
191606 860234A1 Each 3 Days $840.00
$600.00
 
Mercruiser Replacement Heat Exchanger, Diesel 7.3 Litre/270, 806154-A
98110 806154-A Diesel 7.3 Liter/270 Each 3 Days $1,352.92
$1,156.70
 
Mercruiser Replacement Heat Exchanger, EH 700 33-1/2" long x 3-1/4" Dia, 834051030
98111 834051030 Eh 700 33-1/2" Long x 3-1/4" Dia
Mercruiser Replacement Heat Exchanger, Fits 4-6 Cyl; (Customer must supply casting), 61086
98109 61086 Fits 4-6 Cyl. (Need Casting) 3618-1-5 Each 3 Days $551.50
$471.51
 
Mercruiser Replacement Heat Exchanger, P/S - O/C Combination, 12" Overall Length, 85152-T
98113 85152-T P/S - O/C Combination Each 3 Days $295.75
$273.08
 
Mercruiser Replacement Oil Cooler , 807371-T-1
98120 807371-T-1 Oil Cooler CuNi Each 3 Days $151.62
$140.00
 
Mercruiser Replacement Oil Cooler, 806423-T
98117 806423-T Oil Cooler Each 3 Days $297.41
$274.62
 
Mercruiser Replacement Oil Cooler, 806426-T
98118 806426-T Oil Cooler 2 x 5 x 1-1/4 Each 3 Days $133.30
$123.08
 
Mercruiser Replacement Oil Cooler, 807371-T
98119 807371-T Oil Cooler Each 3 Days $149.12
$137.69
 
Mercruiser Replacement Oil Cooler, 807372-T
98121 807372-T Oil Cooler Each 3 Days $153.29
$141.54
 
Mercruiser Replacement Oil Cooler, 807996-T
98122 807996-T Oil Cooler Each 3 Days $147.45
$136.15
 
Mercruiser Replacement Oil Cooler, 814862-T
98123 814862-T Oil Cooler Each 3 Days $383.22
$327.64
 
Mercruiser Replacement Oil Cooler, 849952A03
318193 849952A03 Each 2 Days $510.56
$471.43
 
Mercruiser Replacement Oil Cooler, 861554-T
98124 861554-T Oil Cooler Each 3 Days $140.79
$130.00
 
Mercruiser Replacement Oil Cooler, 862837T
98125 862837T Oil Cooler Each 3 Days $155.79
$143.85
 
Mercruiser Replacement Heat Exchanger, 1/2" NPT Oil Cooler, 89690-T
92867 89690-T Oil Cooler Each 3 Days $294.91
$272.31
 
* Leaves Warehouse: Does not include Weekends and Holidays.
When will my order arrive? Add the Estimated Leaves Warehouse Time + Estimated Shipping Time.
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Additional Description
Extend the life of your engine and protect it from corrosion with this easy to install, quality built, heat exchanger.

Review and FAQ Center


Question
oil cooler

Do i really need an oil cooler on a 454 motor in a 23 foot chapparal, boat?

Submitted by: mike
Answer

Absolutely!

Question
Mercruiser D-Tronic-165 Heat Exchanger

I’m looking for a Mercruiser D-TRONIC 165 Heat Exchanger. Would you have one or know where I could get one? I have a picture I can email you of that helps?

Submitted by: Tim Vincent
Answer

C Thanks Tim, I was looking at the same unit. This was one of Mercury’s bazaar designs. They combined the heat exchanger and oil cooler. There is nothing available after market. You will have to order it thru a Meruery Diesel Dealer.

Question
Heat Exchanger provide cooling capacity for a Chevy 350?

Does p/n 204576 provide cooling capacity for a Chevy 350 and if so does it come with mounting hardware? The original cast iron mounting bracket on ours was broken.

Submitted by: Larry
Answer

It does not come with mounting hardware or brackets. It is a replacement heat exchanger only.
Can you send pictures of the old heat exchanger and bracket?

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