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Marine Engine Cooling Systems

Shop here for cooling system parts for OMC, Mercruiser, Volvo Penta and other inboard and sterndrive marine engines! Great deals offered daily on water pump kits, impellers, thermostats and housings, temperature gauges, heat exchangers and other marine engine cooling system parts!
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MARINE HEAT EXCHANGER, Small Block Chrysler 318 & 360,SIDE MOUNT STYLE, 2847886 Buy Now »

MARINE HEAT EXCHANGER, Small Block Chrysler 318 & 360,SIDE MOUNT STYLE, 2847886

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21 mins
Vintage Mercruiser Water Pump Cover NOS 32877 Buy Now »

Vintage Mercruiser Water Pump Cover NOS 32877

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1 hr
21 mins
Sherwood Water Pump Impeller Kit with Gaskets - 10077K Buy Now »

Sherwood Water Pump Impeller Kit with Gaskets - 10077K

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$39.98
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1 hr
25 mins
Vintage OMC Stern Drive Impeller Housing NOS 310212  B 64 Buy Now »

Vintage OMC Stern Drive Impeller Housing NOS 310212 B 64

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1 hr
46 mins
impeller kit replaces johnson 09-808b-1 jabsco 22405-0001-p Buy Now »
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impeller kit replaces johnson 09-808b-1 jabsco 22405-0001-p

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1 hr
49 mins
OEM Mercury Mercruiser Bravo XR X Flush Flushing Kit  Low Water Pickup 849996T1 Buy Now »

OEM Mercury Mercruiser Bravo XR X Flush Flushing Kit Low Water Pickup 849996T1

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3 hrs
2 mins
Marine Thermostat Kit (Mercruiser 140 Degree) Buy Now »
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Marine Thermostat Kit (Mercruiser 140 Degree)

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3 hrs
6 mins
NIB Mercruiser 4.3L V6 GM Thermostat 160  Closed Cooling 1998-Up 991551 S985009 Buy Now »

NIB Mercruiser 4.3L V6 GM Thermostat 160 Closed Cooling 1998-Up 991551 S985009

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3 hrs
23 mins
OEM Mercury Force Outboard Water Pump Impeller Repair KIT 40-125 HP 46-8M0113799 Buy Now »

OEM Mercury Force Outboard Water Pump Impeller Repair KIT 40-125 HP 46-8M0113799

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3 hrs
29 mins
MERCRUISER 3.7 L,  465, 470, 485, 488, 165, 170, 180, 190,  HEAT EXCHANGER   4" Buy Now »
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MERCRUISER 3.7 L, 465, 470, 485, 488, 165, 170, 180, 190, HEAT EXCHANGER 4"

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3 hrs
34 mins
Mercruiser 3.7L 470 170 190 Exhaust Elbow Riser Coolant Reservoir 90879 Buy Now »
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Mercruiser 3.7L 470 170 190 Exhaust Elbow Riser Coolant Reservoir 90879

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3 hrs
35 mins
* Volvo Penta GM 3.0L Water Pump Pulley 3852401 Buy Now »

* Volvo Penta GM 3.0L Water Pump Pulley 3852401

Buy: $35.00 Ships:
$10.00
$45.00
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3 hrs
37 mins
Mercruiser 3.7 470/165/190 Front Water Pump Timing Cover 71903A2 3.7L 71902a1 Buy Now »
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Mercruiser 3.7 470/165/190 Front Water Pump Timing Cover 71903A2 3.7L 71902a1

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3 hrs
43 mins
78984A1 Mercruiser V8 Thermostat Housing Assembly 305 350 Buy Now »

78984A1 Mercruiser V8 Thermostat Housing Assembly 305 350

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3 hrs
45 mins
03 2004 Infiniti M45 q45 fx45 engine coolant water outlet pipe tube line housing Buy Now »
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03 2004 Infiniti M45 q45 fx45 engine coolant water outlet pipe tube line housing

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3 hrs
45 mins
46-38958A2  Mercruiser 60 Renault 68 I/L4Water Pump Housing 1965-68 Buy Now »

46-38958A2 Mercruiser 60 Renault 68 I/L4Water Pump Housing 1965-68

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3 hrs
46 mins
Kit Yanmar 128990-42200 Impeller X0506597-01 Oring  Genuine 2GM20F, 3GM30F YEU  Buy Now »
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Kit Yanmar 128990-42200 Impeller X0506597-01 Oring Genuine 2GM20F, 3GM30F YEU

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4 hrs
10 mins
Volvo Penta V6 V8 Raw Sea Water Pump Torque Rod Arm Bracket Mount 826421 Buy Now »

Volvo Penta V6 V8 Raw Sea Water Pump Torque Rod Arm Bracket Mount 826421

Buy: $60.00 Ships:
$7.80
$67.80
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4 hrs
16 mins
NEW OEM Mercruiser sea water pump serpentine pulley 861579 Buy Now »

NEW OEM Mercruiser sea water pump serpentine pulley 861579

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4 hrs
26 mins
Water Pump Raw Crank Mount for Volvo GM Ford V8 Johnson Pump replaces 10-24232-1 Buy Now »

Water Pump Raw Crank Mount for Volvo GM Ford V8 Johnson Pump replaces 10-24232-1

Buy: $169.95 Ships:
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$179.95
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4 hrs
36 mins
Detroit Diesel 23509946, 6V92 / 8V92 Niagara Heat Exchanger Core Buy Now »

Detroit Diesel 23509946, 6V92 / 8V92 Niagara Heat Exchanger Core

Buy: $5,950.00 Ships:
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$5,999.50
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4 hrs
39 mins
Detroit Diesel, Heat Exchanger Seal 5167746 Buy Now »

Detroit Diesel, Heat Exchanger Seal 5167746

Buy: $8.95 Ships:
$9.50
$18.45
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4 hrs
54 mins
OEM - MERCURY WATER PUMP UPPER REPAIR KIT  #817275T 4 Buy Now »

OEM - MERCURY WATER PUMP UPPER REPAIR KIT #817275T 4

Buy: $99.95 Ships:
$19.95
$119.90
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4 hrs
55 mins
OMC Cobra Stern Drive Water Pump & Impeller Repair Kit 0984461 984461 Buy Now »

OMC Cobra Stern Drive Water Pump & Impeller Repair Kit 0984461 984461

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$19.95
$44.90
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4 hrs
55 mins
Brand new vintage sherwood water pump Buy Now »

Brand new vintage sherwood water pump

Buy: $199.99 Ships:
$8.70
$208.69
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5 hrs
5 mins
Mercruiser Bravo Impeller Fuel Water Pump 46-807151A8 454 Buy Now »

Mercruiser Bravo Impeller Fuel Water Pump 46-807151A8 454

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5 hrs
29 mins
Water Pump Base for Mercruiser Alpha 1 Lower 46-44292A3 Buy Now »

Water Pump Base for Mercruiser Alpha 1 Lower 46-44292A3

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5 hrs
29 mins
Water Pump Repair Service Kit Mercury Alpha Mercruiser Buy Now »

Water Pump Repair Service Kit Mercury Alpha Mercruiser

Fits Mercruiser Alpha Sterndrives and Mercury Outboards
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5 hrs
29 mins
Water Pump Impeller Kit Mercury/Mercruiser 46-96148A8 Buy Now »

Water Pump Impeller Kit Mercury/Mercruiser 46-96148A8

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5 hrs
29 mins
Mercury Marine Mercruiser Water Pump Insert 30915 OB IO Buy Now »

Mercury Marine Mercruiser Water Pump Insert 30915 OB IO

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5 hrs
29 mins
Volvo Penta/OMC Cobra Stern Drive OE Water Cooling Coolant Hose Line 3852352 Buy Now »

Volvo Penta/OMC Cobra Stern Drive OE Water Cooling Coolant Hose Line 3852352

Buy: $9.00 Ships:
$2.60
$11.60
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5 hrs
30 mins
Crusader Impeller Kit with O-Ring RP061017 Buy Now »

Crusader Impeller Kit with O-Ring RP061017

Buy: $49.46 Ships:
$8.95
$58.41
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5 hrs
35 mins
Water Pump Impeller for Mercruiser 47-862232A2 47-8M0104229 18-3016 AFTERMARKET Buy Now »
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Water Pump Impeller for Mercruiser 47-862232A2 47-8M0104229 18-3016 AFTERMARKET

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5 hrs
37 mins
Bravo Sea/Raw Water Pump Impeller Housing Mercruiser 862914A13 4.3/5.0/5.7/8.2 Buy Now »

Bravo Sea/Raw Water Pump Impeller Housing Mercruiser 862914A13 4.3/5.0/5.7/8.2

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5 hrs
39 mins
NEW MerCruiser MR/Alpha 1 Water Pump Kit 46-60367A1 SIE 18-3517 GLM 12280 Buy Now »

NEW MerCruiser MR/Alpha 1 Water Pump Kit 46-60367A1 SIE 18-3517 GLM 12280

Buy: $23.57 Ships:
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5 hrs
39 mins
Replacement Volvo Penta Impeller Raw/Sea Water Pump 4.3/5.0/5.7 21214599/3812693 Buy Now »

Replacement Volvo Penta Impeller Raw/Sea Water Pump 4.3/5.0/5.7 21214599/3812693

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5 hrs
40 mins
Volvo Penta 3.0 Sea Raw Water Pump Mounting Bracket Kit  3855106 3855078 3850268 Buy Now »

Volvo Penta 3.0 Sea Raw Water Pump Mounting Bracket Kit 3855106 3855078 3850268

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5 hrs
40 mins
OMC Cobra Water Pump Impeller Kit with Housing Replaces 984461 983895 984744 Buy Now »

OMC Cobra Water Pump Impeller Kit with Housing Replaces 984461 983895 984744

Buy: $31.99 Ships:
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5 hrs
40 mins
Water Pump Kit Mercruiser Alpha One Mercury V6 90/115/125/150 repl 46-96148A8 Buy Now »

Water Pump Kit Mercruiser Alpha One Mercury V6 90/115/125/150 repl 46-96148A8

Buy: $24.99 Ships:
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5 hrs
40 mins
3.7L Water Pump Timing Cover Gasket Set Kit Mercruiser 3.7 165/170/190/470/488 Buy Now »

3.7L Water Pump Timing Cover Gasket Set Kit Mercruiser 3.7 165/170/190/470/488

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5 hrs
40 mins
WESTERBEKE GENERATOR PARTS  SIERRA IMPELLER KIT 23-3305 REPLACES 32620 SEE LIST Buy Now »
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WESTERBEKE GENERATOR PARTS SIERRA IMPELLER KIT 23-3305 REPLACES 32620 SEE LIST

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5 hrs
48 mins
MerCruiser V6 V8 305 350 Thermostat Housing Assembly 87290A4 Sierra 18-1994 Buy Now »

MerCruiser V6 V8 305 350 Thermostat Housing Assembly 87290A4 Sierra 18-1994

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5 hrs
49 mins
MERCURY OUTBOARD WATER PUMP BASE 43055A4 LOWERUNIT COVER ENGINE MOTOR PARTS EBAY Buy Now »
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MERCURY OUTBOARD WATER PUMP BASE 43055A4 LOWERUNIT COVER ENGINE MOTOR PARTS EBAY

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5 hrs
53 mins
THERMOSTAT KIT MERCRUISER 807252Q5 1987 AND UP 160 DEGREE SLEEVE 23-806922 EBAY Buy Now »
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THERMOSTAT KIT MERCRUISER 807252Q5 1987 AND UP 160 DEGREE SLEEVE 23-806922 EBAY

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5 hrs
53 mins
Main Cooling Salt Water Pump #1 - Zinc Anode Cover 497.1 Buy Now »
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Main Cooling Salt Water Pump #1 - Zinc Anode Cover 497.1

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5 hrs
55 mins
Mercruiser Brass Sea Water Pump Impeller Kit 46-862914A13 8M0118062 18-3160-1 Buy Now »

Mercruiser Brass Sea Water Pump Impeller Kit 46-862914A13 8M0118062 18-3160-1

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5 hrs
58 mins
Impeller raw water pump minor repair kit for Northern Lights 25-12057 25-15405 Buy Now »
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Impeller raw water pump minor repair kit for Northern Lights 25-12057 25-15405

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6 hrs
3 mins
Mercruiser Alpha I Gen II Water Pump Key 28-43037 Lower Unit EI Buy Now »

Mercruiser Alpha I Gen II Water Pump Key 28-43037 Lower Unit EI

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6 hrs
5 mins
OEM Mercruiser V6 V8 Thermostat 140 degree Kit & Brass SLEEVE 23-47508T 807252Q4 Buy Now »

OEM Mercruiser V6 V8 Thermostat 140 degree Kit & Brass SLEEVE 23-47508T 807252Q4

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6 hrs
11 mins
Yanmar 2qm Thermostat Cover SB12 Buy Now »

Yanmar 2qm Thermostat Cover SB12

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6 hrs
12 mins


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