Cooling System

cooling system β€” pre-owned

1,335listings

Browse 1,335 cooling system β€” pre-owned on eBay β€” listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Y3a Mercury 4.3L 5.0L 5.7L  7 Piece Cooling Hose Assortment
UsedBuy It Now

Y3a Mercury 4.3L 5.0L 5.7L 7 Piece Cooling Hose Assortment

Fresh Water, Good condition.

$69.95
+$15.00Belgium, US
jbud7650
Feedback
99.9%ExcellentΒ· 14.9k
View on eBayOpen listing β†’
Volvo Penta D4 D6 Heat Exchanger Oil Cooler Insert 3583645 40005784
UsedBuy It Now

Volvo Penta D4 D6 Heat Exchanger Oil Cooler Insert 3583645 40005784

The Volvo Penta D4 D6 Heat Exchanger Oil Cooler Insert, with manufacturer part numbers 3583645, 40005784, 40005717, and 40005780, is a high-quality boat part designed for cooling system maintenance. Made in Sweden by Volvo Penta, this product ensures reliable performance and durability. Despite not offering a warranty, this heat exchanger oil cooler insert is a crucial component for maintaining the optimal temperature levels in your boat's engine, providing peace of mind for your boating experience.

$350.00
Free ShippingFort Lauderdale, US
allpro8207
Feedback
100.0%ExcellentΒ· 477
View on eBayOpen listing β†’
OEM Volvo Penta Thermostat Housing Part Number 3863086  MN Freshwater Used
UsedBuy It Now

OEM Volvo Penta Thermostat Housing Part Number 3863086 MN Freshwater Used

Great shape, normal wear and tear. chambers are clean. I would replace thermostat before installing. 30 day warranty Thanks for looking I look forward to working with you.

$99.00
Free ShippingRhoadesville, US
firstchoiceusedmarineparts
Feedback
99.7%ExcellentΒ· 506
View on eBayOpen listing β†’
MerCruiser V6, V8 Thermostat Housing 807123-C FREE SHIPPING
UsedBuy It NowBest Offer

MerCruiser V6, V8 Thermostat Housing 807123-C FREE SHIPPING

Removed from a low hour, freshwater 96 Mercruiser 4.3L v6 but should work with some v8 applications as well See pics for details

$107.00
Free ShippingDecatur, US
dargor61
Feedback
100.0%ExcellentΒ· 329
View on eBayOpen listing β†’
 Seakamp MerCruiser 807400A1 Heat Exchanger 454/502, 7.4L/8.2L, MAG, MIE, MPI
UsedBuy It NowBest Offer

Seakamp MerCruiser 807400A1 Heat Exchanger 454/502, 7.4L/8.2L, MAG, MIE, MPI

Mercruiser heat exchanger pulled from a 7.4l chevrolet engine. Good Working condition. Will need new hoses. Please look at the pictures as they are the best description we can offer Ask any questions before purchasing Thank you

$375.00
+$40.00Monroe, US
omh_enterprises
Feedback
99.0%ExcellentΒ· 801
View on eBayOpen listing β†’
VOLVO PENTA POWER STEERING COOLER WITH BRACKET 3852177 3851921 3852218 3853236
UsedBuy It Now

VOLVO PENTA POWER STEERING COOLER WITH BRACKET 3852177 3851921 3852218 3853236

Listed here is a USED Volvo Penta Power Steering Oil Cooler with Bracket and Spacer. Clamp part # is 3852218 and is no longer available new and the spacer p # is 3853236. etc. consistent with a part of its age.

$100.00
Free ShippingOviedo, US
maximummarinellc
Feedback
100.0%ExcellentΒ· 900
View on eBayOpen listing β†’
WESTERBEKE W46 4CYL DIESEL RAW WATER PUMP/SHERWOOD MFG #016423 W/ NEW IMPELLER
UsedBuy It NowBest Offer

WESTERBEKE W46 4CYL DIESEL RAW WATER PUMP/SHERWOOD MFG #016423 W/ NEW IMPELLER

$278.95
+$14.95Bristol, US
parkermarine251
Feedback
100.0%ExcellentΒ· 4.7k
View on eBayOpen listing β†’
Mercruiser Thermostat Housing 3.0 47587
UsedBuy It Now

Mercruiser Thermostat Housing 3.0 47587

Freshwater thermostat housing Fits Mercruiser 3.0 4 cylinder In good working order

$50.00
+$8.00Rockford, US
marinemortician
Feedback
100.0%ExcellentΒ· 590
View on eBayOpen listing β†’
CAT 3208 MARINE CORE TUBE BUNDLES FOR HEAT EXCHANGER #9Y333/1168161 2 PASS...
UsedBuy It Now

CAT 3208 MARINE CORE TUBE BUNDLES FOR HEAT EXCHANGER #9Y333/1168161 2 PASS...

(CT08-025). SOLD AS PICTURED.

$749.95
+$24.95Bristol, US
parkermarine251
Feedback
100.0%ExcellentΒ· 4.7k
View on eBayOpen listing β†’
Y3   Mercury Mercruiser Thermostat Housing + Cover 16413A3 16413-C 16413
UsedBuy It Now

Y3 Mercury Mercruiser Thermostat Housing + Cover 16413A3 16413-C 16413

$195.00
+$15.00Belgium, US
jbud7650
Feedback
99.9%ExcellentΒ· 14.9k
View on eBayOpen listing β†’
Y3   Mercury Mercruiser Thermostat Housing + Cover 16413A3 16413-C1 16413
UsedBuy It Now

Y3 Mercury Mercruiser Thermostat Housing + Cover 16413A3 16413-C1 16413

$205.00
+$10.00Belgium, US
jbud7650
Feedback
99.9%ExcellentΒ· 14.9k
View on eBayOpen listing β†’
Mercruiser 860234A1 ?  Heat Exchanger 5.7L ? Unknown 860023a1 ?
UsedBuy It Now

Mercruiser 860234A1 ? Heat Exchanger 5.7L ? Unknown 860023a1 ?

Not for sure the specific model but this is a good usable heat exchanger for a Mercrusier

$210.00
Free ShippingSeville, US
cyclesruscherrys
Feedback
100.0%ExcellentΒ· 1.5k
View on eBayOpen listing β†’
Jabsco Raw Water Pump Bronze Marine Engine Rebuildable Core Measured
-20%
Buy It NowBest Offer

Jabsco Raw Water Pump Bronze Marine Engine Rebuildable Core Measured

Cast marked β€œJABSCO Burbank Calif” with patent number 2189359, indicating an early Jabsco design commonly used in older marine diesel applications. Ideal for rebuild, parts, or adaptation to older marine engines (commonly seen in Detroit Diesel / Caterpillar-era applications).

$359.99$449.99-20%

You save $90.00

+$19.99Janesville, US
packratn
Feedback
100.0%ExcellentΒ· 2.6k
View on eBayOpen listing β†’
Volvo Penta 855578 AQ125A Raw Sea Water Pump Assembly AQ131 AQ140 AQ145 R2
UsedBuy It NowBest Offer

Volvo Penta 855578 AQ125A Raw Sea Water Pump Assembly AQ131 AQ140 AQ145 R2

Recent pull from a 1984 AQ125A.

$179.00
+$8.95Hartland, US
midwest_boat_recyclers
Feedback
100.0%ExcellentΒ· 5.2k
View on eBayOpen listing β†’
Omc 985840 4.3 Marine Power Steering Cooler Heat Exchanger
UsedBuy It NowBest Offer

Omc 985840 4.3 Marine Power Steering Cooler Heat Exchanger

good used omc 4.3 marine 985840 power steering cooler heat exchanger. Came off of running and leak free low hour engine. (Fresh water) has a tiny little dent on cooler as seen in pictures.

$120.00
See listingCanton, US
6391ericb
Feedback
100.0%ExcellentΒ· 242
View on eBayOpen listing β†’
VOLVO PENTA D6 HEAT EXCHANGER COOLING TUBE STACK #3583653/40005786...
UsedBuy It Now

VOLVO PENTA D6 HEAT EXCHANGER COOLING TUBE STACK #3583653/40005786...

The VOLVO PENTA D6 HEAT EXCHANGER COOLING TUBE STACK #3583653/40005786 is a high-quality cooling component designed specifically for Volvo Penta stern drive motors. Made by the trusted brand Volvo Penta, this heat exchanger cooling tube stack is a crucial part of the boat's cooling system, ensuring efficient and effective heat dissipation. Whether you are replacing a worn-out part or upgrading your boat's cooling system, this cooling tube stack is a reliable choice for maintaining optimal performance on the water.

$490.00
Free ShippingFort Lauderdale, US
allpro8207
Feedback
100.0%ExcellentΒ· 477
View on eBayOpen listing β†’
M4 Mercruiser Volvo Penta 3.0 Piston & Connecting Rod 14096629 3853340
UsedBuy It Now

M4 Mercruiser Volvo Penta 3.0 Piston & Connecting Rod 14096629 3853340

Good condition, Fresh Water.

$49.95
+$7.00Belgium, US
jbud7650
Feedback
99.9%ExcellentΒ· 14.9k
View on eBayOpen listing β†’
Mercruiser 4.3 L Thermostat Housing W/ Hoses Alpha 860256-C3 860256A3
TOP
UsedBuy It NowBest Offer

Mercruiser 4.3 L Thermostat Housing W/ Hoses Alpha 860256-C3 860256A3

357 Alpha 4V - 1G400000 & Up. MX 6.2L MPI HORIZON BRAVO - 0M300000 THRU 0M599999. MX 6.2L MPI BRAVO - 0M300000 THRU 0M599999. 5.7L EFI GM 350 V-8 1999-2001 - 0L325977 THRU 0M299999. 5.7L EFI GM 350 V-8 1998 - 0L010035 THRU 0L339999.

$250.00
+$15.00Bassett, US
speedo384TOP
Feedback
100.0%ExcellentΒ· 4.0k
View on eBayOpen listing β†’
MerCruiser 78967 & 47440 Thermostat Housing GM V-6/V-8
-10%
UsedBuy It NowBest Offer

MerCruiser 78967 & 47440 Thermostat Housing GM V-6/V-8

$67.50$75.00-10%

You save $7.50

Free ShippingBurley, US
snakeriversportsandmarina
Feedback
99.8%ExcellentΒ· 29.2k
View on eBayOpen listing β†’
Mercury Mercruiser Quicksilver Raw Water Sea Pump 46-8M0137215 8M0139994
RemanufacturedBuy It Now

Mercury Mercruiser Quicksilver Raw Water Sea Pump 46-8M0137215 8M0139994

The main water seal is also an OEM part. This pump does not have air fittings. This pump has the special end plate for the water pressure sensor. This pump has a serpentine pulley and mounts to the side of the engine.

$399.99
+$14.99Peoria, US
rawpumps
Feedback
99.8%ExcellentΒ· 6.7k
View on eBayOpen listing β†’
WESTERBEKE HEAT EXCHANGER #36899 OEM W/ MOUNTING BRACKETS L 16 1/2" DIA 3 1/8...
UsedBuy It Now

WESTERBEKE HEAT EXCHANGER #36899 OEM W/ MOUNTING BRACKETS L 16 1/2" DIA 3 1/8...

SOLD AS PICTURED.

$278.95
+$21.95Bristol, US
parkermarine251
Feedback
100.0%ExcellentΒ· 4.7k
View on eBayOpen listing β†’
Mercruiser Mercury Quicksilver Raw Water Pump 46-8M0139995 NO BACK PLATE W/ Core
-33%
RemanufacturedBuy It Now

Mercruiser Mercury Quicksilver Raw Water Pump 46-8M0139995 NO BACK PLATE W/ Core

New bearings, SS bolts, impeller, o-ring, seals and orings are installed. No Cover Plate Included.

$199.99$299.99-33%

You save $100.00

+$9.99Peoria, US
rawpumps
Feedback
99.8%ExcellentΒ· 6.7k
View on eBayOpen listing β†’
M3 Mercruiser Volvo Penta 3.0 Piston & Connecting Rod 14096629 3853340
UsedBuy It Now

M3 Mercruiser Volvo Penta 3.0 Piston & Connecting Rod 14096629 3853340

Good condition, Fresh Water.

$49.95
+$7.00Belgium, US
jbud7650
Feedback
99.9%ExcellentΒ· 14.9k
View on eBayOpen listing β†’
CG3 OMC Cobra Volvo Penta 4.3L Thermostat Housing  914082 0986292
UsedBuy It Now

CG3 OMC Cobra Volvo Penta 4.3L Thermostat Housing 914082 0986292

We will work with you to reach a resolution.

$69.95
Free ShippingBelgium, US
jbud7650
Feedback
99.9%ExcellentΒ· 14.9k
View on eBayOpen listing β†’
WESTERBEKE/UNIVERSAL M40 HEAT EXCHANGER #299049 2" DIA, 16 1/4" LENGTH
UsedBuy It Now

WESTERBEKE/UNIVERSAL M40 HEAT EXCHANGER #299049 2" DIA, 16 1/4" LENGTH

$262.95
+$24.95Bristol, US
parkermarine251
Feedback
100.0%ExcellentΒ· 4.7k
View on eBayOpen listing β†’
99356A2 Power Steering Oil Cooler Mercruiser Alpha 4.3-7.4 99356A2
UsedBuy It NowBest Offer

99356A2 Power Steering Oil Cooler Mercruiser Alpha 4.3-7.4 99356A2

MPN: 99356A2. It does not leak and it's not corroded out. Condition: Used.

$50.00
Free ShippingGreen Bay, US
outboardheaven
Feedback
99.9%ExcellentΒ· 30.5k
View on eBayOpen listing β†’
Mercruiser raw water pump and bracket
UsedBuy It Now

Mercruiser raw water pump and bracket

Condition is Used.

$100.00
See listingBayville, US
bobslsc
Feedback
100.0%ExcellentΒ· 2.1k
View on eBayOpen listing β†’
New! RIVA RACING INTERCOOLER TUBING UPGRADE KIT For SEA-DOO 325HP
TOP
UsedBuy It Now

New! RIVA RACING INTERCOOLER TUBING UPGRADE KIT For SEA-DOO 325HP

NEW - TUBES ONLY - RIVA RACING INTERCOOLER TUBING UPGRADE KIT For SEA-DOO 325HP. 2024 Sea-Doo RXT-X 325. 2024 Sea-Doo RXP-X 325. 2025 Sea-Doo RXT-X 325. 2025 Sea-Doo RXP-X 325.

$150.00
See listingAuburn, US
stoneconceptsTOP
Feedback
99.9%ExcellentΒ· 53.7k
View on eBayOpen listing β†’
Volvo Penta 3.0L - Thermostat Housing 3861550 3861409
UsedBuy It Now

Volvo Penta 3.0L - Thermostat Housing 3861550 3861409

Volvo Penta 3.0L Thermostat Housing See pics for details

$99.00
+$10.00Decatur, US
dargor61
Feedback
100.0%ExcellentΒ· 329
View on eBayOpen listing β†’
VOLVO 280 PENTA RAW SEA WATER PUMP W/ BRACKET 828306
TOP
UsedBuy It Now

VOLVO 280 PENTA RAW SEA WATER PUMP W/ BRACKET 828306

$199.99
Free ShippingHouston, US
1-stopautopartsTOP
Feedback
99.9%ExcellentΒ· 71.6k
View on eBayOpen listing β†’
Vovlo Penta MD40 TMD40 TAMD40 40 Series Raw Water Strainer Assy. 842719 21863984
UsedBuy It Now

Vovlo Penta MD40 TMD40 TAMD40 40 Series Raw Water Strainer Assy. 842719 21863984

I’m good overall condition especially for its age. All components are fully functional. Strainer basket seal is in good condition.

$150.00
See listingAnacortes, US
phospur0
Feedback
99.9%ExcellentΒ· 1.1k
View on eBayOpen listing β†’
Mercruiser Model 120/140 4 cyl. Marine Engine Thermostat Housing
UsedBuy It NowBest Offer

Mercruiser Model 120/140 4 cyl. Marine Engine Thermostat Housing

Listed is a Mercruiser marine engine thermostat housing for model 120 or 140 4 cyl. In good condition and used in fresh water only.

$65.00
See listingSandusky, US
boatdoc100
Feedback
100.0%ExcellentΒ· 583
View on eBayOpen listing β†’
GENUINE Sherwood M71 Raw Water Sea Pump Cummins Diesel 3907458  3912019 4BT 4B
RemanufacturedBuy It Now

GENUINE Sherwood M71 Raw Water Sea Pump Cummins Diesel 3907458 3912019 4BT 4B

PRECEDING PART NUMBERS: M70, M71-01, Cummins 3907458 and 3912019. Brass Body, Stainless Steel Shaft, New impeller, seal, hardware, bearings, etc. PART NUMBER: Sherwood M71.

$249.99
+$9.99Peoria, US
rawpumps
Feedback
99.8%ExcellentΒ· 6.7k
View on eBayOpen listing β†’
WESTERBEKE 30 B THREE MARINE PUMP FRESH WATER/CIRCULATION #037015
UsedBuy It Now

WESTERBEKE 30 B THREE MARINE PUMP FRESH WATER/CIRCULATION #037015

$148.95
+$14.95Bristol, US
parkermarine251
Feedback
100.0%ExcellentΒ· 4.7k
View on eBayOpen listing β†’
Y3 MERCRUISER THERMOSTAT HOUSING 120-165hp 3.0L OEM 47587 47588 60372A1 861493A3
UsedBuy It Now

Y3 MERCRUISER THERMOSTAT HOUSING 120-165hp 3.0L OEM 47587 47588 60372A1 861493A3

We will work with you to reach a resolution.

$49.95
+$10.00Belgium, US
jbud7650
Feedback
99.9%ExcellentΒ· 14.9k
View on eBayOpen listing β†’
Y3   Mercury Mercruiser Thermostat Housing + Cover 16413A3 16413-C1 16413
-22%
UsedBuy It NowBest Offer

Y3 Mercury Mercruiser Thermostat Housing + Cover 16413A3 16413-C1 16413

Offering a used freshwater thermostat housing for Mercruiser Buyer pays 15 shipping

$145.00$185.00-22%

You save $40.00

+$15.00Fort Dodge, US
midwestrustyparts86
Feedback
98.5%ExcellentΒ· 1.4k
View on eBayOpen listing β†’
 Onan Heat Exchanger 6.5kw Marine Genset
UsedBuy It Now

Onan Heat Exchanger 6.5kw Marine Genset

Used heat exchanger from a 6.5kw gasoline powered marine generator

$150.00
+$45.00San Pedro, US
harboryacht
Feedback
100.0%ExcellentΒ· 1.1k
View on eBayOpen listing β†’
DETROIT DIESEL HEAT EXCHANGER CORE/ BUNDLE PN#8509553/23520298
UsedBuy It Now

DETROIT DIESEL HEAT EXCHANGER CORE/ BUNDLE PN#8509553/23520298

(DD 308/309).

$748.95
+$24.95Bristol, US
parkermarine251
Feedback
100.0%ExcellentΒ· 4.7k
View on eBayOpen listing β†’
MerCruiser Bravo Raw Sea Water Pump 4.3L 5.0L 5.7L 350 Mag Mpi 862814C 8M0139994
RemanufacturedBuy It NowBest Offer

MerCruiser Bravo Raw Sea Water Pump 4.3L 5.0L 5.7L 350 Mag Mpi 862814C 8M0139994

MerCruiser Bravo Raw Sea Water Pump 4.3L 5.0L 5.7L 350 Mag Mpi 862814C 8M0139994 It’s remanufactured , has brand new impeller and gasket , works good Part number: 862814C No returns accepted

$200.00
+$25.00Lakewood, US
andredel5
Feedback
100.0%ExcellentΒ· 432
View on eBayOpen listing β†’
MerCruiser V6, V8 Thermostat Housing 807123-C
UsedBuy It NowBest Offer

MerCruiser V6, V8 Thermostat Housing 807123-C

this housing is in good shape. i applied some primer and paint. all chambers are clear. needs a new thermostat. 30 day warranty thanks for looking at my page. i look forward to working with you.

$99.00
See listingRhoadesville, US
firstchoiceusedmarineparts
Feedback
99.7%ExcellentΒ· 506
View on eBayOpen listing β†’