Fresh Water Cooling Systems

Please allow 1 to 2 weeks for delivery of these kits.

Description List Price Our Price Manufacturer Part#/Order# Cat. Page No. UOM Buy Qty. Shopping Cart
Mercruiser V8 454-502 Fresh Water Cooling System $810.00 $596.80
Save $213.20
MONITOR / MFH-4949 pg. 4949 EA 1
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Mercruiser V8 454-502 Fresh Water Cooling System
OMC 5 Liter Ford V8 302-351 Fresh Water Cooling System $760.00 $559.95
Save $200.05
MONITOR / MFH-5057 pg. 5057 EA 1
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OMC 5 Liter Ford V8 302-351 Fresh Water Cooling System
Merc & Marine Power V6-V8 262-305-350 Fresh Water Cooling System $920.00 $677.84
Save $242.16
MONITOR / MFH-5229 pg. 5229 EA 1
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Merc & Marine Power V6-V8 262-305-350 Fresh Water Cooling System
Mercruiser V6-V8 262-305-350 Fresh Water Cooling System $1,050.00 $773.62
Save $276.38
MONITOR / MFH-5230 pg. 5230 EA 1
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Mercruiser V6-V8 262-305-350 Fresh Water Cooling System
Mercruiser V6-V8 262-305-350 Fresh Water Cooling System $1,150.00 $847.30
Save $302.70
MONITOR / MFH-5320-A pg. 5320 EA 1
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Mercruiser V6-V8 262-305-350 Fresh Water Cooling System
Mercruiser V6-V8 262-305-350 Fresh Water Cooling System $1,265.00 $932.03
Save $332.97
MONITOR / MFH-5320-B pg. 5320 EA 1
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Mercruiser V6-V8 262-305-350 Fresh Water Cooling System
Mercruiser 4 Cylinder 3 Liter Serial # 0L010042 + Up Fresh Water Cooling S $670.00 $493.65
Save $176.35
MONITOR / MFH-5344 pg. 5344 EA 1
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Mercruiser 4 Cylinder 3 Liter Serial # 0L010042 + Up Fresh Water Cooling S
Mercruiser V8 454-502 Fresh Water Cooling System $1,260.00 $928.34
Save $331.66
MONITOR / MFH-5374 pg. 5374 EA 1
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Mercruiser V8 454-502 Fresh Water Cooling System
Standard Mercruiser V6-V8 (262-305-350) Fresh Water Cooling System $740.00 $545.22
Save $194.78
MONITOR / MFH-5398 pg. 5398 EA 1
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Standard Mercruiser V6-V8 (262-305-350) Fresh Water Cooling System
Standard Mercruiser V6-V8 (262-305-350) Fresh Water Cooling System $865.00 $637.32
Save $227.68
MONITOR / MFH-5399 pg. 5399 EA 1
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Standard Mercruiser V6-V8 (262-305-350) Fresh Water Cooling System
Hi-Performance Chevy Big Block V8 Half System Fresh Water Cooling System $1,200.00 $853.76
Save $346.24
MONITOR / MFH-5403 pg. 5403 EA 1
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Hi-Performance Chevy Big Block V8 Half System Fresh Water Cooling System
Hi-Performance Chevy Small Block V8 Half System Fresh Water Cooling System $990.00 $752.98
Save $237.02
MONITOR / MFH-5406 pg. 5406 EA 1
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Hi-Performance Chevy Small Block V8 Half System Fresh Water Cooling System
Volvo Penta/OMC V6/V8 262-305-350 Fresh Water Cooling System $730.00 $537.85
Save $192.15
MONITOR / MFV-5241 pg. 5241 EA 1
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Volvo Penta/OMC V6/V8 262-305-350 Fresh Water Cooling System
Chevy 4 Cylinder 3 Liter Off Engine Kit Fresh Water Cooling System $740.00 $545.22
Save $194.78
MONITOR / MRM-5345 pg. 5345 EA 1
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Chevy 4 Cylinder 3 Liter Off Engine Kit Fresh Water Cooling System

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If you own an older boat. You may not be able to install a new Fresh Water Cooling System. The rule of thumb is One hundred and fifty hours of salt water use. And about two hundred and fifty hours of fresh water use.  After that. It is probably too late to install a fresh water cooling system without severe damage to your engine. You can perform a quick check:  Remove the thermostat housing cover. Then look inside to check for any sign of scaling rust. If you see rust build up. It is probably too late. Engine Blocks are made from Cast Iron. And Cast Iron is Porous! Salt will embed itself in the cast iron and then, if you add antifreeze, the coolant will become thick and cause your engine to overheat. After a year or two of fresh water use. The Cast Iron will just erode and the pressure will cause blown head gaskets. Usually between number 3 and number 5 cylinders.
 

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