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Mercruiser Sterndrive Cooling System

mercury mercruiser engine parts finder
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Products: 1 - 50 of 206
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Mercruiser - Direct Replacement Heat Exchangers & Oil Coolers

Mercruiser - Direct Replacement Heat Exchangers & Oil Coolers

Mfr. Seakamp Engineering

Mercruiser direct replacement heat exchanger allows use of hot water cabin heater in cooler climates...
Sale Price From $103.73

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Bi-Directional Water Pump,GM Big Block, WP 1900

Bi-Directional Water Pump,GM Big Block, WP 1900

Mfr. API Marine | Mfr No. WP1900

API New Bi-Directional Water Pump,GM Big Block, WP 1900...
$143.48


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Water Pump, GM 8.1L Engines, WP 2000

Water Pump, GM 8.1L Engines, WP 2000

Mfr. API Marine | Mfr No. WP2000

API New Water Pump, GM 8.1L Engines, WP 2000...
$167.61


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Mercruiser Thermostat Housing Assembly, Ford V8, Upper & Lower

Mercruiser Thermostat Housing Assembly, Ford V8, Upper & Lower

Mfr. Barr Marine by EDM

Mercruiser Thermostat Housing Assembly, Ford V8, Upper & Lower...
$56.69 - $152.73

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Thermostat Housing, Small Block Chevrolet V6 & V8, CHV-29-80

Thermostat Housing, Small Block Chevrolet V6 & V8, CHV-29-80

Mfr. Barr Marine by EDM | Mfr No. CHV-29-80

Thermostat Housing, Small Block Chevrolet V6 & V8, CHV-29-80 for dual pump cooling system...
$122.57


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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...
$562.99


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Thermostat Gasket, 41812

Thermostat Gasket, 41812

Mfr. Osco Motors | Mfr No. 41812

Thermostat Gasket, 41812. Gasket for top cover to base for center riser style manifolds. Replaces Mercruiser # 27-41812...
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Thermostat Gasket, 47510

Thermostat Gasket, 47510

Mfr. Osco Motors | Mfr No. 47510

Thermostat Gasket, 47510. Gasket for sleeve to thermostat element application. Replaces Mercruiser # 27-47510...
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Thermostat Gasket, 48818

Thermostat Gasket, 48818

Mfr. Osco Motors | Mfr No. 48818

Thermostat Gasket, 48818...
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Thermostat Housing Base, Chevrolet Small Block V8, MC553-SB

Thermostat Housing Base, Chevrolet Small Block V8, MC553-SB

Mfr. Osco Motors | Mfr No. MC553-SB

Thermostat Housing Base, Chevrolet Small Block V8, MC553-SB, replaces Mercruiser # 78984...
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Thermostat Top Cover, MC55-TBB

Thermostat Top Cover, MC55-TBB

Mfr. Osco Motors | Mfr No. MC55-TBB

Thermostat Top Cover, MC55-TBB, replaces Mercruiser # 47442...
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Thermostat Top Cover, MC55-TSB

Thermostat Top Cover, MC55-TSB

Mfr. Osco Motors | Mfr No. MC55-TSB

Thermostat Top Cover, MC55-TSB, replaces Mercruiser # 47441...
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Perko, Flush Pro, Marine Engine Flushing & Winterizing Valve, Kit

Perko, Flush Pro, Marine Engine Flushing & Winterizing Valve, Kit

Mfr. Perko

Perko, Flush Pro, Marine Engine Flushing & Winterizing Valve, Kit. Freshwater Flushing of Your Inboard is as Simple as Connecting a Garden Hose...
$91.30 - $149.24

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Circulating Pump Hose, 140 Mercruiser, 32-96879

Circulating Pump Hose, 140 Mercruiser, 32-96879

Mfr. Quicksilver by Mercury | Mfr No. 97525

Circulating Pump Hose, 140 Mercruiser, 32-96879, replacement water pump to thermostat housing/distribution housing hose for Mercruiser 140Hp...
$78.13


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Hose, Thermostat Housing to Port Exhaust Manifold

Hose, Thermostat Housing to Port Exhaust Manifold

Mfr. Quicksilver by Mercury | Mfr No. 860144

Hose, Thermostat Housing to Port Exhaust Manifold...
$43.81


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Impeller - 47-59362T 1

Impeller - 47-59362T 1

Mfr. Quicksilver by Mercury | Mfr No. 59362T1

Impeller - 47-59362T 1. Fits MerCruiser engines with engine mounted seawater pumps...
$35.38


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Mercathode Kit, Electric, 98869A14

Mercathode Kit, Electric, 98869A14

Mfr. Quicksilver by Mercury | Mfr No. 98869A14

Mercathode Kit, Electric, 98869A14. Protects the sterndrive from galvanic corrosion. Increased output provides greater protection for underwater aluminum parts...
$164.93


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Mercruiser Engine Cooling Hose, 1" Ends, 32-19403

Mercruiser Engine Cooling Hose, 1" Ends, 32-19403

Mfr. Quicksilver by Mercury | Mfr No. 19403

Mercruiser Engine Cooling Hose, 1" Ends, 32-19403 for 5.7L & 7.4 MIE...
$59.58


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Mercruiser Engine Cooling Hose, 1-1/4" I.D.

Mercruiser Engine Cooling Hose, 1-1/4" I.D.

Mfr. Quicksilver by Mercury | Mfr No. 63829

Mercruiser Engine Cooling Hose, 1-1/4" I.D. for Oil Cooler to Oil Cooler. Fits 330/340/7.4L MIE...
$54.87


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Mercruiser Sea Water Pump, 46-862914T08

Mercruiser Sea Water Pump, 46-862914T08

Mfr. Quicksilver by Mercury | Mfr No. 862914T08

Mercruiser Sea Water Pump, 46-862914T08...
$436.39


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Mercruiser Sea Water Pump, 46-862914T10

Mercruiser Sea Water Pump, 46-862914T10

Mfr. Quicksilver by Mercury

Mercruiser Sea Water Pump, 46-862914T10...
$78.62 - $374.63

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Sea Water Pump - 46-72774A32

Sea Water Pump - 46-72774A32

Mfr. Quicksilver by Mercury | Mfr No. 72774A32

Sea Water Pump - 46-72774A32. Fits V-8 engines with v-belt...
$507.79


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Sea Water Pump - 46-807151A 8

Sea Water Pump - 46-807151A 8

Mfr. Quicksilver by Mercury | Mfr No. 807151A8

Sea Water Pump - 46-807151A 8. Fits GM 454/502 Gen V & VI engines with mechanical fuel pump mounted to side of water pump...
$645.40


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Sea Water Pump - 46-807151A 9

Sea Water Pump - 46-807151A 9

Mfr. Quicksilver by Mercury | Mfr No. 807151A9

Sea Water Pump - 46-807151A 9. Fits MerCruiser V-6 & V-8 engines with serpentine belt...
$386.45


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Sea Water Pump - 46-807151A12

Sea Water Pump - 46-807151A12

Mfr. Quicksilver by Mercury | Mfr No. 807151A12

Sea Water Pump - 46-807151A12. Fits V-6 & V-8 (454/502 Gen V) with v-belt and electric fuel pump...
$400.00


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Sea Water Pump Impeller Kit, 47-59362Q 7

Sea Water Pump Impeller Kit, 47-59362Q 7

Mfr. Quicksilver by Mercury | Mfr No. 59362Q08

Sea Water Pump Impeller Kit, 47-59362Q 7. Includes:
  • New Impeller, Face plate w/face plate gaskets, Drive keys, O-Rings...
$77.62


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Sea Water Pump Wear Plate - 94576

Sea Water Pump Wear Plate - 94576

Mfr. Quicksilver by Mercury | Mfr No. 94576

Sea Water Pump Wear Plate - 94576...
$20.17


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Sea Water Pump Wear Plate - 94916

Sea Water Pump Wear Plate - 94916

Mfr. Quicksilver by Mercury | Mfr No. 94916

Sea Water Pump Wear Plate - 94916...
$20.63


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Thermostat Housing Hose, 1-1/4" I.D.

Thermostat Housing Hose, 1-1/4" I.D.

Mfr. Quicksilver by Mercury | Mfr No. 16012

Thermostat Housing Hose, 1-1/4" I.D., fits 4.3L/LX, 230/5.0L MIE and 260/5.7L MIE...
$28.58


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Thermostat Housing to Oil Cooler, Starboard Hose, 1-1/4" I.D.

Thermostat Housing to Oil Cooler, Starboard Hose, 1-1/4" I.D.

Mfr. Quicksilver by Mercury | Mfr No. 16011

Thermostat Housing to Oil Cooler, Starboard Hose, 1-1/4" I.D. Fits MCM V-8 (305, 350 & 454 cid) engines...
$37.42


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Thermostat Housing, Mercruiser, 87290A23

Thermostat Housing, Mercruiser, 87290A23

Mfr. Quicksilver by Mercury | Mfr No. 87290A23

Thermostat Housing, Mercruiser, 87290A23...
$557.17


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Thermostat Sleeve, Mercruiser, 23-47508T

Thermostat Sleeve, Mercruiser, 23-47508T

Mfr. Quicksilver by Mercury | Mfr No. 47508T

Thermostat Sleeve Mercruiser, 23-47508T for 1999 GM 502...
$17.47


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Water Pump Body/Impeller Kit - 46-807151A14

Water Pump Body/Impeller Kit - 46-807151A14

Mfr. Quicksilver by Mercury | Mfr No. 807151A14

Water Pump Body/Impeller Kit - 46-807151A14...
$87.39


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Water Pump Bracket, 15295T

Water Pump Bracket, 15295T

Mfr. Quicksilver by Mercury | Mfr No. 15295T

Water Pump Bracket, 15295T. Replacement seawater pump mounting bracket...
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Water Pump Gasket - 27-49110

Water Pump Gasket - 27-49110

Mfr. Quicksilver by Mercury | Mfr No. 49110

Water Pump Gasket - 27-49110. Fits MerCruiser 7.4L & 8.2L (454 & 502 cid)...
$3.94


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Water Pump Gasket - 27-803192A 2

Water Pump Gasket - 27-803192A 2

Mfr. Quicksilver by Mercury | Mfr No. 803192A2

Water Pump Gasket - 27-803192A 2. Fits MerCruiser 7.4L & 8.2L...
$10.30


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Water Pump Impeller Repair Kit - 47-43026Q06

Water Pump Impeller Repair Kit - 47-43026Q06

Mfr. Quicksilver by Mercury | Mfr No. 43026Q06

Water Pump Impeller Repair Kit - 47-43026Q06. Fits all MerCruiser Alpha One Generation II drives s/n OD469859 and up. Replaces Mercury Part# 47-43026Q 5...
$42.64


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Water Pump Pulley, 52822T

Water Pump Pulley, 52822T

Mfr. Quicksilver by Mercury | Mfr No. 52822T

Water Pump Pulley, 52822T. Replacement pulley for the Mercruiser seawater pump...
$201.97


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Water Pump Upper Housing Repair Kit - 817275Q 4

Water Pump Upper Housing Repair Kit - 817275Q 4

Mfr. Quicksilver by Mercury | Mfr No. 817275Q4

Water Pump Upper Housing Repair Kit - 817275Q 4. Fits Alpha One - Gen II...
$128.90


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Water Pump Upper Housing Repair Kit, Mercury / Mariner, Mercruiser, 46-96148A 8

Water Pump Upper Housing Repair Kit, Mercury / Mariner, Mercruiser, 46-96148A 8

Mfr. Quicksilver by Mercury | Mfr No. 96148A8

Water Pump Upper Housing Repair Kit, Mercury / Mariner, Mercruiser, 46-96148A 8. Fits Mercury/Mariner 65 hp (4 cylinder) Through V-6 outboards with short-vane impellers and fits MerCruiser...
$45.00


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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...
Sale Price From $643.59

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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...
Sale Price From $1,029.49

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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...
Sale Price From $716.08

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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...
Sale Price From $1,196.15

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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...
$1,032.05
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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...
$1,094.87
On Sale


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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...
Sale Price From $1,052.56

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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...
$1,094.87
On Sale


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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...
$643.59
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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...
Sale Price From $643.59

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Products: 1 - 50 of 206
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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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