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Mercruiser Sterndrive Cooling System

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Post a question or comment about Mercruiser Sterndrive Cooling System.
Products: 1 - 50 of 213
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Jabsco, Engine Cooling, 1-1/4" Water Pump, Bracket Mount, 43210 Series

Jabsco, Engine Cooling, 1-1/4" Water Pump, Bracket Mount, 43210 Series

Mfr. Jabsco Marine | Mfr No. 43210-0001

Jabsco, Engine Cooling, 1-1/4" Water Pump, Bracket Mount, 43210 Series. Flow rate: Nominal 20 US gallons/min (27 Litres/min) at 1500 rpm...
$594.74
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Bi Directional Water Circulation Pump, 18-3599-1

Bi Directional Water Circulation Pump, 18-3599-1

Mfr. Sierra

Bi Directional Water Circulation Pump, 18-3599-1. Replaces 60658, 850399, 17437. Fits: GM V-6 & V-8 engines with stamped steel timing covers. Ideal for both standard and counter-rotating engines...
Sale Price From $80.93

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Water Circulating Pump, Bi-Directional - 18-3584

Water Circulating Pump, Bi-Directional - 18-3584

Mfr. Sierra | Mfr No. 18-3584

Water Circulating Pump, Bi-Directional - 18-3584. For use on Crusader Inboard cooling systems. Replacement for Pleasurecraft Inboard #RA057004, Mercruiser and Sterndrive/Cobra and more...
$105.24
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Water Circulating Pump, Bi-Directional - 18-3577

Water Circulating Pump, Bi-Directional - 18-3577

Mfr. Sierra | Mfr No. 18-3577

Water Circulating Pump, Bi-Directional - 18-3577, Big block GM engines with stamped steel timing covers, Replacement for Pleasurecraft Inboard #RA057019, Mercruiser Inboard/Outboard...
$128.17


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Water Circulating Pump, Bi-Directional - Mercruiser

Water Circulating Pump, Bi-Directional - Mercruiser

Mfr. Sierra | Mfr No. 18-3599

Water Circulating Pump, Bi-Directional - Mercruiser. For use on Mercruiser Inboard/Outboard cooling systems. For late model GM V-6, V-8 engines using a composite timing cover...
$102.06


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Water Circulating Pump, Big Block GM Engines, 18-3574

Water Circulating Pump, Big Block GM Engines, 18-3574

Mfr. Sierra | Mfr No. 18-3574

Water Circulating Pump, Big Block GM Engines, 18-3574.
$145.75


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Mercruiser Water Pump Kit

Mercruiser Water Pump Kit

Mfr. Sierra | Mfr No. 18-3147

Mercruiser Water Pump Kit Replaces: 817275T4. For: Gen II-lower s/n D469859 and up...
$91.16
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Freshwater Cooling Kit, Mercruiser 3.0L, LX, MC342

Freshwater Cooling Kit, Mercruiser 3.0L, LX, MC342

Mfr. San Juan Engineering

Freshwater Cooling Kit, Mercruiser 3.0L, LX, MC342 for 2005-2008 Mercruiser 3.0 LX Chevrolet marine engine...
$529.33 - $669.33

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Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7 liter LXH, MC322

Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7 liter LXH, MC322

Mfr. San Juan Engineering

Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7 liter LXH, MC322 for 1997-1999 Mercruiser 4.3/5.0/5.7 Chevrolet marine engine...
$1,070.67 - $1,070.67

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Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7L, MC321

Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7L, MC321

Mfr. San Juan Engineering

Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7L, MC321, for 1997 to 2001 Mercruiser 4.3L EFI, 5.0L EFI, & 5.7L Chevrolet marine engines...
$744.72 - $1,070.67

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Freshwater Cooling Kit, Mercruiser 7.4 liter V-Drive, 1990-1995

Freshwater Cooling Kit, Mercruiser 7.4 liter V-Drive, 1990-1995

Mfr. San Juan Engineering

Freshwater Cooling Kit, Mercruiser 7.4 liter 1990 to 1995 V-Drive Chevrolet marine engines. Cools block and manifolds on v-belt engines with raw water inlet hose routed over valve cover...
$1,244.00 - $1,244.00

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Freshwater Engine Cooling Kit, Mercruiser 4.3/5.0/5.7 System MC339

Freshwater Engine Cooling Kit, Mercruiser 4.3/5.0/5.7 System MC339

Mfr. San Juan Engineering | Mfr No. MC339

Freshwater Engine Cooling System Kit MC339 for 2002 Mercruiser 4.3/5.0/5.7L carbureted Chevrolet marine engines without dry joint exhaust. Raw water must go over top of engine...
$1,073.33


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Freshwater Engine Cooling Kit, Mercruiser 165, MC307

Freshwater Engine Cooling Kit, Mercruiser 165, MC307

Mfr. San Juan Engineering | Mfr No. MC307

Freshwater Engine Cooling Kit, Mercruiser 165, MC307 marine engine for the Chevrolet 250, inline 6 cylinder marine engine...
$1,138.67


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Freshwater Engine Cooling Kit, Mercruiser 188/233, MC306 & MC306H/E

Freshwater Engine Cooling Kit, Mercruiser 188/233, MC306 & MC306H/E

Mfr. San Juan Engineering

Freshwater Engine Cooling Kit, Mercruiser 188/233, MC306 & MC306H/E for Mercruiser 188/233 Ford marine engine...
$1,094.67 - $1,094.67

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Freshwater Cooling Kit, Mercruiser 225/228/305/350, MC308

Freshwater Cooling Kit, Mercruiser 225/228/305/350, MC308

Mfr. San Juan Engineering | Mfr No. MC308

Freshwater Cooling Kit, Mercruiser 225 & 228 Hp, 305 & 350 ci., MC308, Chevrolet V8 small block...
$1,138.67


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Freshwater Cooling Kit, Mercruiser 3.0 liter 120/140 , MC301

Freshwater Cooling Kit, Mercruiser 3.0 liter 120/140 , MC301

Mfr. San Juan Engineering | Mfr No. MC301

Freshwater Cooling Kit, Mercruiser 3.0 liter 120 & 140 Hp , MC301, Chevrolet 4 cylinder 181 ci marine engine. 1968 to present...
$669.33


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Freshwater Engine Cooling Kit, Mercruiser 3.0L LX, MC327 & MC327H/E

Freshwater Engine Cooling Kit, Mercruiser 3.0L LX, MC327 & MC327H/E

Mfr. San Juan Engineering

Freshwater Engine Cooling Kit, Mercruiser 3.0L LX, MC327 & MC327H/E for 1997-1999 Mercruiser 3.0L LX Chevrolet marine engine...
$669.33 - $738.24

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Freshwater Engine Cooling Kit, Mercruiser 3.0ltr LX, MC333

Freshwater Engine Cooling Kit, Mercruiser 3.0ltr LX, MC333

Mfr. San Juan Engineering

Freshwater Engine Cooling Kit, Mercruiser 3.0ltr LX, MC333, Chevrolet 4 cylinder, 181 ci marine engine. 2000 to 2004 only...
$669.33 - $738.24

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Freshwater Cooling Kit, Mercruiser 330/454, MC309

Freshwater Cooling Kit, Mercruiser 330/454, MC309

Mfr. San Juan Engineering | Mfr No. MC309

Freshwater Cooling Kit, Mercruiser 330/454, MC309 for Mercruiser 330/454 Chevrolet marine engines through 1981...
$1,244.00


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Freshwater Engine Cooling Kit, Mercruiser 330/454, MC310 & MC310H/E

Freshwater Engine Cooling Kit, Mercruiser 330/454, MC310 & MC310H/E

Mfr. San Juan Engineering

Freshwater Engine Cooling Kit, Mercruiser 330/454, MC310 & MC310H/E for 1982 to 1992 Mercruiser 330/454 Chevrolet marine engine...
$981.43 - $1,176.00

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Freshwater Cooling Kit, Mercruiser 4.3 liter LXH, MC319

Freshwater Cooling Kit, Mercruiser 4.3 liter LXH, MC319

Mfr. San Juan Engineering | Mfr No. MC319

Freshwater Cooling Kit, Mercruiser 4.3 liter LXH, MC319 for 1996-1999 Mercruiser 4.3 LXH Chevrolet marine engine...
$818.67


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Freshwater Engine Cooling Kit, Mercruiser 4.3/5.0/5.7 System MC341

Freshwater Engine Cooling Kit, Mercruiser 4.3/5.0/5.7 System MC341

Mfr. San Juan Engineering

Freshwater Engine Cooling System Kit MC341 for Mercruiser 4.3/5.0/5.7L carbureted Chevrolet marine engines...
$857.33 - $1,220.00

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Freshwater Engine Cooling Kit, Mercruiser 4.3/5.0/5.7 liter 262/305/350, MC302

Freshwater Engine Cooling Kit, Mercruiser 4.3/5.0/5.7 liter 262/305/350, MC302

Mfr. San Juan Engineering

Freshwater Engine Cooling Kit, Mercruiser 4.3/5.0/5.7 liter 262/305/350, MC302 for 1985-1995 Mercruiser 4.3/5.0/5.7 - 262/305/350 Chevrolet marine engine...
$21.29 - $926.67

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Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7 liter EFI 350, MC331

Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7 liter EFI 350, MC331

Mfr. San Juan Engineering | Mfr No. MC331

Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7 liter EFI 350, MC331 for 2000-2001 Mercruiser 4.3/5.0/5.7 EFI 350 Chevrolet marine engine...
$818.67


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Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7 liter EFI 350, MC332

Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7 liter EFI 350, MC332

Mfr. San Juan Engineering | Mfr No. MC332

Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7 liter EFI 350, MC332 for 2000-2001 Mercruiser 4.3/5.0/5.7 EFI 350 Chevrolet marine engine...
$1,070.67


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Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7 liter, MC313

Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7 liter, MC313

Mfr. San Juan Engineering | Mfr No. MC313

Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7 liter, MC313 for 1994-1996 Alpha & Bravo Mercruiser 4.3/5.0/5.7 Chevrolet marine engine...
$818.67


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Freshwater Engine Cooling Kit, Mercruiser 4.3/5.0/5.7 liter, MC314 & MC314H/E

Freshwater Engine Cooling Kit, Mercruiser 4.3/5.0/5.7 liter, MC314 & MC314H/E

Mfr. San Juan Engineering

Freshwater Engine Cooling Kit, Mercruiser 4.3/5.0/5.7 liter, MC314 & MC314H/E for 1994-1996 Alpha & Bravo Mercruiser 4.3/5.0/5.7 Chevrolet marine engine...
$1,070.67 - $1,070.67

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Freshwater Engine Cooling Kit, Mercruiser 4.3/5.0/5.7 liter, MC320

Freshwater Engine Cooling Kit, Mercruiser 4.3/5.0/5.7 liter, MC320

Mfr. San Juan Engineering

Freshwater Engine Cooling Kit, Mercruiser 4.3/5.0/5.7 liter, MC320 for 1997-2001 Mercruiser 4.3/5.0/5.7 Chevrolet marine engine...
$626.32 - $818.67

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Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7 liter, MC328OE

Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7 liter, MC328OE

Mfr. San Juan Engineering | Mfr No. MC328OE

Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7 liter, MC328OE for 1982 and up 4.3/5.0/5.7 Chevrolet Mercruiser marine engine...
$826.67


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Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7, MC337

Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7, MC337

Mfr. San Juan Engineering | Mfr No. MC337

Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7, MC337 for Chevrolet V8's 2002-2003...
$1,073.33


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Freshwater Engine Cooling Kit, Mercruiser 4.3/5.0/5.7, MC338 & MC340

Freshwater Engine Cooling Kit, Mercruiser 4.3/5.0/5.7, MC338 & MC340

Mfr. San Juan Engineering

Freshwater Engine Cooling Kit, Mercruiser 4.3/5.0/5.7, MC338 & MC340 for 2002-2003 Mercruiser 4.3/5.0/5.7ltr. Chevrolet carbureted engines...
$826.67 - $974.67

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Freshwater Engine Cooling Kit, Mercruiser 4.3/5.0/5.7/6.2L MPI, MC336 & MC336DJ

Freshwater Engine Cooling Kit, Mercruiser 4.3/5.0/5.7/6.2L MPI, MC336 & MC336DJ

Mfr. San Juan Engineering

Freshwater Engine Cooling Kit, Mercruiser 4.3/5.0/5.7/6.2L MPI, MC336 & MC336DJ for 2002-2004 Mercruiser 4.3/5.0/5.7/6.2L MPI Chevrolet marine engines...
$961.33 - $961.33

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Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7ltr, MC303

Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7ltr, MC303

Mfr. San Juan Engineering | Mfr No. MC303

Freshwater Cooling Kit, Mercruiser 4.3/5.0/5.7ltr, MC303 for 1994-1995 Chevrolet marine engine...
$1,094.67


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Freshwater Engine Cooling Kit, Mercruiser 5.0/5.7 liter 305/350, MC304

Freshwater Engine Cooling Kit, Mercruiser 5.0/5.7 liter 305/350, MC304

Mfr. San Juan Engineering

Freshwater Engine Cooling Kit, Mercruiser 5.0/5.7 liter 305/350, MC304 for 1985-1994 Mercruiser 5.0/5.7 - 305/350 Chevrolet marine engine...
$1,094.67 - $1,094.67

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Freshwater Cooling Kit, Mercruiser 5.7 liter EFI 350, MC315

Freshwater Cooling Kit, Mercruiser 5.7 liter EFI 350, MC315

Mfr. San Juan Engineering | Mfr No. MC315

Freshwater Cooling Kit, Mercruiser 5.7 liter EFI 350, MC315 for 1994-1995 Alpha & Bravo Mercruiser 5.7 EFI 350 Chevrolet marine engine with MPI...
$868.00


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Freshwater Cooling Kit, Mercruiser 5.7 liter EFI 350, MC317

Freshwater Cooling Kit, Mercruiser 5.7 liter EFI 350, MC317

Mfr. San Juan Engineering | Mfr No. MC317

Freshwater Cooling Kit, Mercruiser 5.7 liter EFI 350, MC317 for 1996 Mercruiser 5.7 EFI 350 Chevrolet marine engine...
$868.00


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Freshwater Cooling Kit, Mercruiser 5.7 liter EFI 350, MC325

Freshwater Cooling Kit, Mercruiser 5.7 liter EFI 350, MC325

Mfr. San Juan Engineering | Mfr No. MC325

Freshwater Cooling Kit, Mercruiser 5.7 liter EFI 350, MC325 for 1997-2001 5.7 EFI 350 Chevrolet marine engine with MPI...
$868.00


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Freshwater Cooling Kit, Mercruiser 5.7 liter EFI 350, MC326

Freshwater Cooling Kit, Mercruiser 5.7 liter EFI 350, MC326

Mfr. San Juan Engineering | Mfr No. MC326

Freshwater Cooling Kit, Mercruiser 5.7 liter EFI 350, MC326 for 1997-2001 Mercruiser 5.7 EFI 350 Chevrolet marine engine with MPI...
$1,070.67


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Freshwater Engine Cooling Kit, Mercruiser 7.4 liter 454/502, MC311 & MC311H/E

Freshwater Engine Cooling Kit, Mercruiser 7.4 liter 454/502, MC311 & MC311H/E

Mfr. San Juan Engineering

Freshwater Engine Cooling Kit, Mercruiser 7.4 liter 454/502, MC311 & MC311H/E for 1993-1997 Mercruiser Bravo 7.4 - 454/502 Chevrolet marine engine...
$1,126.67 - $1,126.67

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Freshwater Cooling Kit, Mercruiser 7.4 liter 454/502, MC318

Freshwater Cooling Kit, Mercruiser 7.4 liter 454/502, MC318

Mfr. San Juan Engineering | Mfr No. MC318

Freshwater Cooling Kit, Mercruiser 7.4 liter 454/502, MC318 for 1996 Mercruiser 7.4, 454/502 Chevrolet marine engine...
$1,126.67


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Freshwater Cooling Kit, Mercruiser 7.4 liter 454/502, MC334

Freshwater Cooling Kit, Mercruiser 7.4 liter 454/502, MC334

Mfr. San Juan Engineering | Mfr No. MC334

Freshwater Cooling Kit, Mercruiser 7.4 liter 454/502, MC334 for 1983-1998 Mercruiser 7.4L/8.2L - 454/502 Chevrolet marine engine...
$1,252.00


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Freshwater Cooling Kit, Mercruiser 7.4 liter LX, MC323

Freshwater Cooling Kit, Mercruiser 7.4 liter LX, MC323

Mfr. San Juan Engineering | Mfr No. MC323

Freshwater Cooling Kit, Mercruiser 7.4 liter LX, MC323 for 1997 Mercruiser 7.4 LX Chevrolet marine engine with MPI...
$937.33


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Freshwater Engine Cooling Kit, Mercruiser 7.4 liter LX, MC324

Freshwater Engine Cooling Kit, Mercruiser 7.4 liter LX, MC324

Mfr. San Juan Engineering

Freshwater Engine Cooling Kit, Mercruiser 7.4 liter LX, MC324 for 1997 Mercruiser 7.4 LX Chevrolet marine engine with MPI...
$1,126.67 - $1,126.67

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Freshwater Cooling Kit, Mercruiser 7.4 liter LX, MC329

Freshwater Cooling Kit, Mercruiser 7.4 liter LX, MC329

Mfr. San Juan Engineering | Mfr No. MC329

Freshwater Cooling Kit, Mercruiser 7.4 liter LX, MC329 for 1998-2001 Mercruiser 7.4 LX Chevrolet marine engine with MPI...
$937.33


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Freshwater Cooling Kit, Mercruiser 7.4 liter LX 1998-2001, MC330

Freshwater Cooling Kit, Mercruiser 7.4 liter LX 1998-2001, MC330

Mfr. San Juan Engineering | Mfr No. MC330

Freshwater Cooling Kit, Mercruiser 7.4 liter LX, MC330 for 1998-2001 Mercruiser 7.4 LX Chevrolet marine engine with MPI...
$1,126.67


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Freshwater Engine Cooling Kit, Mercruiser 898/228/260, MC305

Freshwater Engine Cooling Kit, Mercruiser 898/228/260, MC305

Mfr. San Juan Engineering

Freshwater Engine Cooling Kit, Mercruiser 898/228/260, MC305 for 1970-Early 1980's Rear High Rise Mercruiser 898/228/260 Chevrolet marine engine...
$1,094.67 - $1,094.67

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Marine Engine Heat Exchanger for Mercruiser 170HP 470, MC312

Marine Engine Heat Exchanger for Mercruiser 170HP 470, MC312

Mfr. San Juan Engineering

Marine Engine Heat Exchanger for Mercruiser 170 HP 470 4 cylinder, aluminum block marine engine. Comes in 3" or 4" diameter. Heat exchanger ONLY...
$441.18 - $625.00

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Replacement Heat Exchanger for MC301

Replacement Heat Exchanger for MC301

Mfr. San Juan Engineering | Mfr No. MC301H/E

Replacement Heat Exchanger for MC301...
$583.82


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Thermostat Housing Kit - Mercruiser 861493A3

Thermostat Housing Kit - Mercruiser 861493A3

Mfr. Sierra | Mfr No. 18-1910

Thermostat Housing Kit - Mercruiser 861493A3. Fits: 3.0L GM 1999-Up, S/N 0L340999-Lower
$89.89


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Thermostat Housing Kit - Mercruiser 87290A4

Thermostat Housing Kit - Mercruiser 87290A4

Mfr. Sierra | Mfr No. 18-1989

Replaces: 87290A4, 861006A1
$176.56
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Products: 1 - 50 of 213
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Ask. Answer. Discuss.
Post a question or comment about Mercruiser Sterndrive Cooling System to our online boating community.
Question
For a Merc 120 1967 model----Which way is "up" for the thermostat

For a Merc 120 1967 model—-Which way is "up" for the thermostat. It appears it could go either way. Anyway it is overheating with a 140 degree stst.

Submitted by: Phil
Answer

The end with the spring goes in towards the engine. Have you changed the water pump impeller?


 
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