Free Shipping on Orders $99+
Contact Us
Orders Product Guides
Boat Parts Worldwide

Mercruiser Sterndrive Cooling System

mercury mercruiser engine parts finder
Products: 1 - 50 of 151
Page:  1 | 2 | 3 | 4   Next >
Perko, Flush Pro Marine Engine Flush & Winterizing Kit

Perko, Flush Pro Marine Engine Flush & Winterizing Kit

Mfr. Perko | Mfr No. 0457DP7

The Flush Pro Valve Kit lets you flush and winterize your marine engine without climbing in and out of your boat. With the Flush Pro Kit you use a garden hose from outside your boat...
$162.28


View Details
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...
$88.82
On Sale


View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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 2002-2012 Mercruiser 4.3/5.0/5.7/6.2L MPI Chevrolet marine engines...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
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...
Not Currently Available

View Details
Replacement Heat Exchanger for MC301

Replacement Heat Exchanger for MC301

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

Replacement Heat Exchanger for MC301...
Not Currently Available

View Details
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


View Details
Thermostat Housing Kit - Mercruiser 87290A4

Thermostat Housing Kit - Mercruiser 87290A4

Mfr. Sierra | Mfr No. 18-1989

Replaces: 87290A4, 861006A1
$167.95
On Sale


View Details
Thermostat Housing, Mercruiser, 18-1994

Thermostat Housing, Mercruiser, 18-1994

Mfr. Sierra | Mfr No. 18-1994

Thermostat Housing, Mercruiser, 18-1994, AP# 5004. Replaces 87290A4...
$137.13


View Details
Thermostat Kit Mercruiser - 18-3651

Thermostat Kit Mercruiser - 18-3651

Mfr. Sierra | Mfr No. 18-3651

Thermostat Kit Mercruiser replacement, 18-3651, for use on Mercruiser Inboard/Outboard cooling systems...
$13.45
On Sale


View Details
Thermostat Kit Mercruiser - 18-3652

Thermostat Kit Mercruiser - 18-3652

Mfr. Sierra | Mfr No. 18-3652

Thermostat Kit Mercruiser - 18-3652. For use on Mercruiser Inboard/Outboard cooling systems...
$21.29


View Details
Thermostat Kit Mercruiser - 18-3667

Thermostat Kit Mercruiser - 18-3667

Mfr. Sierra | Mfr No. 18-3667

Thermostat Kit Mercruiser - 18-3667. For use on Mercruiser Inboard/Outboard cooling systems...
$17.64


View Details
Thermostat Kit Mercruiser - 18-3668

Thermostat Kit Mercruiser - 18-3668

Mfr. Sierra | Mfr No. 18-3668

Thermostat Kit Mercruiser - 18-3668. For use on Mercruiser Inboard/Outboard cooling systems...
$13.37
On Sale


View Details
Products: 1 - 50 of 151
Page:  1 | 2 | 3 | 4   Next >

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?


 
Name / Nickname:

Email:
(optional)


Type of Submission:

Subject:

Message:
Tips on Reviewing:
  • How you use the product
  • What you like about this product
  • How can this product be improved
  • When asking about Engine Parts, please include: Year, Make, Model and Serial Number of engine or part

Please do not include: personal information, profanity or copyrighted works. Conditions of Use