Cooling Systems

cooling systems β€” pre-owned

602listings

Browse 602 cooling systems β€” pre-owned on eBay β€” listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

EVINRUDE JOHNSON THERMOSTAT HOUSING 321690 90hp 115hp 1984 K4
-37%
UsedBuy It Now

EVINRUDE JOHNSON THERMOSTAT HOUSING 321690 90hp 115hp 1984 K4

As pictured freshwater from a 1984 90hp

$20.00$31.68-37%

You save $11.68

Free ShippingLeavenworth, US
ksmoboneyard
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99.9%ExcellentΒ· 2.5k
View on eBayOpen listing β†’
HONDA BF9915A AW AX AY OUTBOARD MOTOR WATER PUMP REBUILD KIT 06193ZV4000 G1N
UsedBuy It Now

HONDA BF9915A AW AX AY OUTBOARD MOTOR WATER PUMP REBUILD KIT 06193ZV4000 G1N

$105.99
See listingMorristown, US
shipcycle
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98.1%ExcellentΒ· 66.2k
View on eBayOpen listing β†’
PRESSURE RELIEF BLOWOFF VALVE 5005775 EVINRUDE E-TEC 2005-2006 200-250 HP
-35%
UsedBuy It NowBest Offer

PRESSURE RELIEF BLOWOFF VALVE 5005775 EVINRUDE E-TEC 2005-2006 200-250 HP

Part:OEM Evinrude E-Tec Pressure Relief Blowoff Valve Kit. Removed from a 2006 Evinrude E-Tec 225 Hp Engine. Model # E225DPXSDR. Appears To Fit 2005-2006 200 225 250 hp. Location:Biloxi, Ms. 39532. Inventory:WW Tote 113.

$97.49$149.99-35%

You save $52.50

+$12.95Biloxi, US
boattrailerstoreparts
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100.0%ExcellentΒ· 3.3k
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SEAFLO 33-Series Water Pump and Accumulator Tank System 12V - 3.3 GPM, Black
UsedBuy It NowBest Offer

SEAFLO 33-Series Water Pump and Accumulator Tank System 12V - 3.3 GPM, Black

The SEAFLO 33-Series Water Pump and Accumulator Tank System is a reliable and efficient system designed for cooling purposes in outboard engines. With a flow rate of 3.3 GPM and a 12V power source, this black-colored system is built by the reputable brand Seaflo, ensuring high-quality performance. The accumulator tank included in the system helps manage the coolant flow effectively, making it a valuable component for boat parts and accessories.

$165.00
See listingLubbock, US
mdm2010
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99.2%ExcellentΒ· 252
View on eBayOpen listing β†’
MERCURY MARINER OUTBOARD TEMPERATURE SENDER 97465 (E39)
-3%
UsedBuy It NowBest Offer

MERCURY MARINER OUTBOARD TEMPERATURE SENDER 97465 (E39)

THIS PART IS IN GOOD WORKING CONDITION.

$39.00$40.00-3%

You save $1.00

+$9.30Vidor, US
chickapinmotorco
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99.8%ExcellentΒ· 4.8k
View on eBayOpen listing β†’
USED Seakamp MerCruiser 89690T Tandem Oil Cooler and Power Steering Fluid Cooler
UsedBuy It Now

USED Seakamp MerCruiser 89690T Tandem Oil Cooler and Power Steering Fluid Cooler

Replaces Quicksilver 89690T. Replaces Seakamp 89690-T. Dual cooler. NPT oil fitting ports. 3/8" hose barb oil connections. There may be scratches and small dents to the shell but the item will function as new.

$325.00
Free ShippingLouisville, US
boat4u
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100.0%ExcellentΒ· 323
View on eBayOpen listing β†’
ZZ3c MerCruiser 7.4L 454 79607 Heat Exchanger OEM
UsedBuy It Now

ZZ3c MerCruiser 7.4L 454 79607 Heat Exchanger OEM

Good condition, Fresh Water.

$415.00
+$35.00Belgium, US
jbud7650
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99.9%ExcellentΒ· 15.5k
View on eBayOpen listing β†’
Mercury Mariner 90 115 HP 6-Cyl Copper Water Pickup Tube 60897
UsedBuy It Now

Mercury Mariner 90 115 HP 6-Cyl Copper Water Pickup Tube 60897

This water pickup tube was removed from a 1986 Mercury Mariner 90 HP, 6 cylinder, 2 stroke, carbureted, 20 inch outboard. Engine SN- 0A935885 These parts may fit other years and models. Please verify before purchasing. 2026

$40.00
Free ShippingMilledgeville, US
gamarinewarehouse
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99.8%ExcellentΒ· 1.6k
View on eBayOpen listing β†’
MERCURY 135-350 HP L6 VERADO Thermostat Housing Assembly Hose 892864T04 892865
TOP
UsedBuy It NowBest Offer

MERCURY 135-350 HP L6 VERADO Thermostat Housing Assembly Hose 892864T04 892865

It is designed to ensure optimal performance and reliability for your engine, and is compatible with a wide range of boats and watercraft. The hose is made from durable materials and is built to last, providing you with peace of mind on the water.

$49.95
Free ShippingHayesville, US
mercuryprecisionpartsTOP
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100.0%ExcellentΒ· 1.8k
View on eBayOpen listing β†’
SUZUKI OUTBOARD DT-55 1989 WATERPUMP HOUSING 178411-95206 (B57)
UsedBuy It NowBest Offer

SUZUKI OUTBOARD DT-55 1989 WATERPUMP HOUSING 178411-95206 (B57)

THIS PART IS IN GOOD WORKING CONDITION.

$29.00
+$13.00Vidor, US
chickapinmotorco
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99.8%ExcellentΒ· 4.8k
View on eBayOpen listing β†’
46-48743 Water Pump Housing Mercury Outboards
UsedBuy It Now

46-48743 Water Pump Housing Mercury Outboards

As pictured as is

$16.50
Free ShippingSpirit Lake, US
boatfi-15
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99.8%ExcellentΒ· 1.3k
View on eBayOpen listing β†’
OMC 380985 Heat Exchanger
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UsedBuy It NowBest Offer

OMC 380985 Heat Exchanger

Manufacturer Part Number: 380985. Shows signs of wear, has been written on.

$12.09$14.22-15%

You save $2.13

Free ShippingAshaway, US
instockmotorsportsTOP
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100.0%ExcellentΒ· 145.5k
View on eBayOpen listing β†’
MERCURY MARINER OUTBOARD TEMPERATURE SENDER 974651 (D71)
UsedBuy It NowBest Offer

MERCURY MARINER OUTBOARD TEMPERATURE SENDER 974651 (D71)

THIS PART IS IN GOOD WORKING CONDITION.

$49.00
+$9.30Vidor, US
chickapinmotorco
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99.8%ExcellentΒ· 4.8k
View on eBayOpen listing β†’
Chris Craft Sherwood Raw Water Pump 283 307 327Q 327F 427 431 Marine Engine OEM
UsedBuy It NowBest Offer

Chris Craft Sherwood Raw Water Pump 283 307 327Q 327F 427 431 Marine Engine OEM

$295.00
+$13.79Hartland, US
midwest_boat_recyclers
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100.0%ExcellentΒ· 5.2k
View on eBayOpen listing β†’
British Seagull outboard   CRANK CASE CYLINDER AND HEAD PARTS
UsedBuy It NowBest Offer

British Seagull outboard CRANK CASE CYLINDER AND HEAD PARTS

$174.99
See listingClearwater, US
donsmarine-2008
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100.0%ExcellentΒ· 16.6k
View on eBayOpen listing β†’
In/Above Ground Pool Pump Self Primming High Flow,Matta Black 1
UsedBuy It NowBest Offer

In/Above Ground Pool Pump Self Primming High Flow,Matta Black 1

Energy Efficiency: Our inground pool pump is designed to save you money. Switch to low speed to conserve energy while maintaining a crystal-clear pool, whether it's above ground or inground. Versatile Compatibility: This above ground pool pump is a versatile choice for both above-ground and inground pools.

$199.00
Free ShippingCharlotte, US
bwpsalesllc
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99.1%ExcellentΒ· 17.7k
View on eBayOpen listing β†’
MERCURY MARINER OUTBOARD TEMPERATURE SENDER 13536A6 (432)
-18%
UsedBuy It NowBest Offer

MERCURY MARINER OUTBOARD TEMPERATURE SENDER 13536A6 (432)

THIS PART IS IN GOOD WORKING CONDITION.

$15.00$18.25-18%

You save $3.25

+$6.00Vidor, US
chickapinmotorco
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99.8%ExcellentΒ· 4.8k
View on eBayOpen listing β†’
EVINRUDE JOHNSON OUTBOARD THERMOSTAT HOUSING 321690 (E83)
-8%
UsedBuy It NowBest Offer

EVINRUDE JOHNSON OUTBOARD THERMOSTAT HOUSING 321690 (E83)

THIS PART IS IN GOOD WORKING CONDITION.

$29.00$31.68-8%

You save $2.68

+$13.00Vidor, US
chickapinmotorco
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99.8%ExcellentΒ· 4.8k
View on eBayOpen listing β†’
EVINRUDE JOHNSON OUTBOARD TEMPERATURE SENDER 584589 (D89)
UsedBuy It NowBest Offer

EVINRUDE JOHNSON OUTBOARD TEMPERATURE SENDER 584589 (D89)

THIS PART IS IN GOOD WORKING CONDITION.

$39.00
+$9.30Vidor, US
chickapinmotorco
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99.8%ExcellentΒ· 4.8k
View on eBayOpen listing β†’
Yamaha Mercury F200 F225 Outboard Thermostat Cover And Hose OEM 6P2-1240H-00-9S
UsedBuy It Now

Yamaha Mercury F200 F225 Outboard Thermostat Cover And Hose OEM 6P2-1240H-00-9S

The Yamaha F200, F225 Outboard Thermostat Cover and Hose OEM 6P2-1240H-00-9S is a genuine replacement part specifically designed for Yamaha outboard engines. This product ensures proper cooling system function by providing a reliable thermostat cover and hose for seamless operation. Yamaha, known for its quality and durability, guarantees a perfect fit and performance for your outboard engine, making it a trusted choice for boating enthusiasts looking to maintain their vessel's cooling system.

$28.90
See listingGreensboro, US
michaelmarinepartsandmore
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99.2%ExcellentΒ· 1.7k
View on eBayOpen listing β†’
Yamaha Mercury F200 F225 Outboard Thermostat Cover And Hose OEM 6P2-1240H-00-9S
UsedBuy It Now

Yamaha Mercury F200 F225 Outboard Thermostat Cover And Hose OEM 6P2-1240H-00-9S

The Yamaha F200, F225 Outboard Thermostat Cover and Hose OEM 6P2-1240H-00-9S is a genuine replacement part specifically designed for Yamaha outboard engines. This product ensures proper cooling system function by providing a reliable thermostat cover and hose for seamless operation. Yamaha, known for its quality and durability, guarantees a perfect fit and performance for your outboard engine, making it a trusted choice for boating enthusiasts looking to maintain their vessel's cooling system.

$28.90
See listingGreensboro, US
michaelmarinepartsandmore
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99.2%ExcellentΒ· 1.7k
View on eBayOpen listing β†’
Attwood Boat Rectangular Motor Flusher 16207-2 | Heavy Duty
UsedBuy It NowBest Offer

Attwood Boat Rectangular Motor Flusher 16207-2 | Heavy Duty

The Attwood Boat Rectangular Motor Flusher 16207-2 is a heavy-duty accessory designed for any boat to help improve the cooling system of outboard engines. With a sleek black design, this Attwood Marine Products product is perfect for efficiently flushing motors and ensuring optimal performance on the water. This rectangular motor flusher is a durable and reliable component that will benefit any boat's engine cooling system.

$7.50
See listingHernando, US
swampkoastcollections
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100.0%ExcellentΒ· 248
View on eBayOpen listing β†’
OMC 911703 Impeller Wear Plate
TOP
UsedBuy It NowBest Offer

OMC 911703 Impeller Wear Plate

Manufacturer Part Number: 911703. Included: Impeller Wear Plate.

$6.38
Free ShippingAshaway, US
instockmotorsportsTOP
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100.0%ExcellentΒ· 145.5k
View on eBayOpen listing β†’
OMC 203132 Impeller Plate
TOP
UsedBuy It NowBest Offer

OMC 203132 Impeller Plate

Manufacturer Part Number: 203132. Shows signs of wear from use. Included: Impeller Plate.

$6.69$7.87-15%

You save $1.18

Free ShippingAshaway, US
instockmotorsportsTOP
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100.0%ExcellentΒ· 145.5k
View on eBayOpen listing β†’
OMC 203132 Impeller Plate
TOP
UsedBuy It NowBest Offer

OMC 203132 Impeller Plate

Manufacturer Part Number: 203132. Shows signs of wear from use. Included: Impeller Plate.

$6.69$7.87-15%

You save $1.18

Free ShippingAshaway, US
instockmotorsportsTOP
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100.0%ExcellentΒ· 145.5k
View on eBayOpen listing β†’
OMC 388289 Impeller Housing
TOP
UsedBuy It NowBest Offer

OMC 388289 Impeller Housing

Manufacturer Part Number: 388289. Dirty, wear marks. Included: Impeller Housing.

$5.99
Free ShippingAshaway, US
instockmotorsportsTOP
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100.0%ExcellentΒ· 145.5k
View on eBayOpen listing β†’
Water Pump Housing 46- 34294A1 Mercury
UsedBuy It Now

Water Pump Housing 46- 34294A1 Mercury

Color may vary

$45.00
Free ShippingSpirit Lake, US
boatfi-15
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99.8%ExcellentΒ· 1.3k
View on eBayOpen listing β†’
NICE!  Universal Motor Flusher Cooling System Boat Ear Muff for Marine Boat
UsedBuy It NowBest Offer

NICE! Universal Motor Flusher Cooling System Boat Ear Muff for Marine Boat

$14.00
See listingMcdonough, US
tractorgdad
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100.0%ExcellentΒ· 409
View on eBayOpen listing β†’
British Seagull outboard   COMPLETE CRANK CASE CYLINDER - PISTON AND HEAD PARTS
UsedBuy It NowBest Offer

British Seagull outboard COMPLETE CRANK CASE CYLINDER - PISTON AND HEAD PARTS

$349.99
See listingClearwater, US
donsmarine-2008
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100.0%ExcellentΒ· 16.6k
View on eBayOpen listing β†’
Genuine OEM ACDelco Professional 252-996 Engine Water Pump
-30%
UsedBuy It NowBest Offer

Genuine OEM ACDelco Professional 252-996 Engine Water Pump

Made of durable aluminum and featuring a machined exterior, this water pump is designed for maximum performance and reliability.

$52.50$75.00-30%

You save $22.50

Free ShippingKannapolis, US
crislee75
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98.8%ExcellentΒ· 3.0k
View on eBayOpen listing β†’
Mercury Thermostat Housing Assembly 3.4L 175-225 HP Outboard 8M0137816 8M0142671
TOP
UsedBuy It NowBest Offer

Mercury Thermostat Housing Assembly 3.4L 175-225 HP Outboard 8M0137816 8M0142671

Constructed in the United States, this outboard thermostat housing assembly is perfect for keeping your motor running smoothly and efficiently. It includes a thermostat and hose, making it easy to install and maintain.

$59.95
Free ShippingHayesville, US
mercuryprecisionpartsTOP
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100.0%ExcellentΒ· 1.8k
View on eBayOpen listing β†’
OEM 33920-93JC1  2010 AND LATER  SUZUKI  DF250 ECU
UsedBuy It NowBest Offer

OEM 33920-93JC1 2010 AND LATER SUZUKI DF250 ECU

Good used and tested OEM 33920-93JC1 2010 AND LATER SUZUKI DF250 ECU came off of a 2010 DF250 with low hours. ecm emm pcm

$599.00
+$20.00Alvin, US
sunsetmarinetxx
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99.3%ExcellentΒ· 2.0k
View on eBayOpen listing β†’
OMC 307954 Water Pump Side Cap
TOP
UsedBuy It NowBest Offer

OMC 307954 Water Pump Side Cap

Manufacturer Part Number: 307954. Included: Water Pump Side Cap.

$6.29
Free ShippingAshaway, US
instockmotorsportsTOP
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100.0%ExcellentΒ· 145.5k
View on eBayOpen listing β†’
Evinrude  ETEC Pressure Relief Valve Assy 0347241 Plate 0347240 Plunger 0347238
TOP
UsedBuy It Now

Evinrude ETEC Pressure Relief Valve Assy 0347241 Plate 0347240 Plunger 0347238

2017 EVINRUDE 150 HP G2. semi # 5 ROEBLING 07/02/24 evinrude # 135xx. OFFICE USE ONLY. STANDARD ROTATION.

$20.00
+$10.00Fort Lauderdale, US
dobsonpartsTOP
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100.0%ExcellentΒ· 10.7k
View on eBayOpen listing β†’
OMC 388289 Impeller Housing w/ Cup
TOP
UsedBuy It NowBest Offer

OMC 388289 Impeller Housing w/ Cup

Manufacturer Part Number: 388289. Slightly dirty, wear marks. Included: Impeller Housing w/ Cup.

$6.29
Free ShippingAshaway, US
instockmotorsportsTOP
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100.0%ExcellentΒ· 145.5k
View on eBayOpen listing β†’
OMC 384087 Water Pump Impeller Housing
TOP
UsedBuy It NowBest Offer

OMC 384087 Water Pump Impeller Housing

Manufacturer Part Number: 384087. Discolored White, slightly dirty, wear marks. Included: Water Pump Impeller Housing.

$8.09
Free ShippingAshaway, US
instockmotorsportsTOP
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100.0%ExcellentΒ· 145.5k
View on eBayOpen listing β†’
833069T9 Mercury Mariner EFI & DFI Outboard Oil Reservoir Tank
UsedBuy It NowBest Offer

833069T9 Mercury Mariner EFI & DFI Outboard Oil Reservoir Tank

SKU: 833069T9. MPN: 833069T9. There are no cracks in this tank. Notes: Used, no cracks. Related Part Numbers: 1200-8M0063190.

$25.00
Free ShippingGreen Bay, US
outboardheaven
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99.9%ExcellentΒ· 31.3k
View on eBayOpen listing β†’
OMC 329091 Impeller Housing
TOP
UsedBuy It NowBest Offer

OMC 329091 Impeller Housing

Manufacturer Part Number: 329091. Show signs of wear from useage. Included: Impeller Housing.

$11.32$13.32-15%

You save $2.00

Free ShippingAshaway, US
instockmotorsportsTOP
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100.0%ExcellentΒ· 145.5k
View on eBayOpen listing β†’
Seadoo P267000321 Helice STLSS.AS Impeller
TOP
UsedBuy It NowBest Offer

Seadoo P267000321 Helice STLSS.AS Impeller

Manufacturer Part Number: P267000321. Helice STLSS.AS Impeller is used and in excellent condition. Included: Helice STLSS.AS Impeller. Item Overview. We use clear titles, photos, and condition details to help you buy the right part.

$286.87$337.49-15%

You save $50.62

Free ShippingAshaway, US
instockmotorsportsTOP
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100.0%ExcellentΒ· 145.5k
View on eBayOpen listing β†’
Power Steering Pump for Mercruiser BRAVO ALPHA Stern Drive 16792A39 16792A1
-10%
UsedBuy It Now

Power Steering Pump for Mercruiser BRAVO ALPHA Stern Drive 16792A39 16792A1

Manufactured part numbers 90496A5, 16792A33, 16792A1, and 16792A39 ensure compatibility and quality. βœ…What you see in the photos is what is included.

$80.99$89.99-10%

You save $9.00

Free ShippingSaint Cloud, US
northsaar
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100.0%ExcellentΒ· 292
View on eBayOpen listing β†’