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Home > Plumbing & Pump >

Engine Cooling Pump




Direct Cooling
It should be noted that engine manufacturers pay special attention to the design of engines for direct cooling in order to minimise corrosion in the cooling passages. However many small craft owners marinise standard car engines successfully. Raw water (river or seawater) is pumped directly through the cylinder block, exhaust manifold, exhaust silencer (if fitted) and exhaust pipe. To ensure efficient engine performance it is essential that an optimum operating temperature is being maintained by regulating the amount of cooling water through the cylinder block, either using 'Manual' or Automatic temperature control.

Heat Exchanger Cooling
A pump recirculates Fresh Water on a closed circuit through the cylinder block, thermostat and around the tubes of a heat exchanger (Primary Cooling Circuit) which is often an integral part of the vented expansion - or header tank. Cold Raw Water is pumped by a second pump through the heat exchanger tubes (Secondary Cooling Circuit) and maintains the fresh water in the primary circuit at an average temperature of 80-90oC.

Keel Cooling
Keel Cooling is basically the same as heat exchanger cooling, except that the fresh water is recirculated through the keel cooling pipes which are fitted outside to the bottom of the boat. The heat generated by the engine is dissipated directly to the raw water flowing around the pipes.

Raw Water Cooling
Raw water cooling systems demand a great deal from circulating pumps. They must have the unfailing ability to self prime at various engine speeds and must be able to pass such solids as sand and silt without impairing the pump's flow.
On average, petrol engines and fast running diesel engines require a raw water pump flow of approximately 8-8½gpm (36-39l) for each 100BHP for Direct Cooling systems and 14½-15½gpm (65-70l) for each 100BHP for Heat Exchanger Cooling systems.







Johnson Engine Cooling, Raw Water Handling Pump, F5B-9, 1 1/4" NPT, 10242281
Johnson Engine Cooling, Raw Water Handling Pump, F7B-8007, 1" NPT, 5/8" Shaft, 10-24572-51
Johnson Engine Cooling, Raw Water Handling Pump, F5B-9, 1 1/4" NPT, 10242281

Brand New with Factory Warranty

List Price: $US 337.00
Our Price: $US 299.00

Johnson Engine Cooling, Raw Water Handling Pump, F7B-8007, 1" NPT, 5/8" Shaft, 10-24572-51

Brand New with Factory Warranty

List Price: $US 789.00
Our Price: $US 469.00

Johnson Engine Cooling, Raw Water Handling Pump, F35B-8, 3/8" NPT, 102456909
Jabsco Mercruiser-Type Engine Cooling Pump 43210-0001
Johnson Engine Cooling, Raw Water Handling Pump, F35B-8, 3/8" NPT, 102456909

Brand New with Factory Warranty

List Price: $US 423.00
Our Price: $US 379.00

Jabsco Mercruiser-Type Engine Cooling Pump 43210-0001

Brand New with Factory Warranty

List Price: $US 958.65
Our Price: $US 784.25

Jabsco Engine Cooling Pump 50410-1201
Jabsco Engine Cooling Pump Crusader 42730-0000
Jabsco Engine Cooling Pump 50410-1201

Brand New with Factory Warranty

List Price: $US 645.18
Our Price: $US 483.95

Jabsco Engine Cooling Pump Crusader 42730-0000

Brand New with Factory Warranty

List Price: $US 987.53
Our Price: $US 749.60

Jabsco Engine Cooling Pump 18830-1020
Jabsco Pulley Driven Engine Cooling Pump, 8.9 GPM, 1/2" NPT, 1500 RPM with Neoprene Impeller, 1673-1001
Jabsco Engine Cooling Pump 18830-1020

Brand New with Factory Warranty

List Price: $US 691.85
Our Price: $US 576.35

Jabsco Pulley Driven Engine Cooling Pump, 8.9 GPM, 1/2" NPT, 1500 RPM with Neoprene Impeller, 1673-1001

Brand New with Factory Warranty

List Price: $US 518.60
Our Price: $US 460.85

Jabsco Pulley Driven Engine Cooling Pump with Neoprene Impeller, 26 GPM, 1" NPT, 1750 RPM, 7779-001
Jabsco Pulley Driven Engine Cooling Pump with Nitrile Impeller, 26 GPM, 1" NPT, 1750 RPM, 7779-003
Jabsco Pulley Driven Engine Cooling Pump with Neoprene Impeller, 26 GPM, 1" NPT, 1750 RPM, 7779-001

Brand New with Factory Warranty

List Price: $US 518.60
Our Price: $US 460.85

Jabsco Pulley Driven Engine Cooling Pump with Nitrile Impeller, 26 GPM, 1" NPT, 1750 RPM, 7779-003

Brand New with Factory Warranty

List Price: $US 518.60
Our Price: $US 460.85

Sherwood Cooling Pump, G21, Pleasurecraft -Ford
Albin Group Engine Cooling Pump for Kohler 4-6 Cylinder Diesel - 4-6.5kW Gas - 12.5 kW Gas
Sherwood Cooling Pump, G21, Pleasurecraft -Ford

Brand New with Factory Warranty

List Price: $US 980.00
Our Price: $US 659.00

Albin Group Engine Cooling Pump for Kohler 4-6 Cylinder Diesel - 4-6.5kW Gas - 12.5 kW Gas

Brand New with Factory Warranty

List Price: $US 401.00
Our Price: $US 229.00

Albin Group Engine Cooling Pump for Kohler
Albin Group Engine Cooling Pump for Kohler - 5-7 Diesel kW
Albin Group Engine Cooling Pump for Kohler

Brand New with Factory Warranty

List Price: $US 401.00
Our Price: $US 229.00

Albin Group Engine Cooling Pump for Kohler - 5-7 Diesel kW

Brand New with Factory Warranty

List Price: $US 327.00
Our Price: $US 189.00

Albin Group Engine Cooling Pump for Kohler - 5EKD, 4EFKD, 7.5EKD, 6EFKD, 10EKD, & 8EFKD
Albin Group Crank Shaft Engine Cooling Pump
Albin Group Engine Cooling Pump for Kohler - 5EKD, 4EFKD, 7.5EKD, 6EFKD, 10EKD, & 8EFKD

Brand New with Factory Warranty

List Price: $US 327.00
Our Price: $US 199.00

Albin Group Crank Shaft Engine Cooling Pump

Brand New with Factory Warranty

List Price: $US 327.00
Our Price: $US 189.00


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**The price is subject to change at anytime without any notice.  We are not responsible for any typographical errors.  Any products can be cancelled from sale at any time.

** All Products sold here are Brand New unless specified Otherwise and come with Full Manufacturer's Warranty



WarningWARNING: This product can expose you to chemicals including Di-n-hexyl Phthalate (DnHP) which is known to the State of California to cause reproductive harm, and Vinyl Chloride which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov. __________________________________________________________________________________________



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