Water strainers debris and impurities from incoming sea or raw water, preventing clogs and damage to vital components like engines and pumps. Installed in the water intake system, these strainers ensure smooth operation and protect the vessel's equipment from potential harm in saltwater environments.
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1-2 weeks delivery time The Technautic Cooling Water Pump 1 1/2" is a high-performance Jabsco pump designed for efficient water flow, featuring a 25 mm shaft diameter and a yield of 293 LPM.
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$ 930.31
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1-2 weeks delivery time The Technautic Cooling Water Pump 1" is a compact and reliable pump suitable for smaller cooling systems, offering a flow rate of 96 LPM and an 18 mm shaft diameter.
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$ 524.93
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1-2 weeks delivery time The Technautic Cooling Water Pump 1/2" is ideal for low flow rate applications and compact installations, providing 60 LPM flow with a 15 mm shaft diameter.
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$ 327.02
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1-2 weeks delivery time The Technautic Cooling Water Pump ST170 is a replacement OEM pump driven by pulley or V-belt, connectable to the crankshaft or power take-off, and available directly from stock with assistance offered for other OEM selections.
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$ 414.88
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1-2 weeks delivery time The Technautic Peugeot/Renault Pump is an OEM replacement pump driven by pulley or V-belt, connectable to the crankshaft or power take-off, available from stock with support for other OEM pump selections.
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$ 447.67
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1-2 weeks delivery time This cooling system is designed for converting direct cooling engines into a closed cooling system, specifically for the Diesel Engine BMW D35 (901-1313). It includes an expansion tank, an electric Johnson circulation pump, and mounting materials for easy installation.
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$ 1,960.34
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1-2 weeks delivery time This heat exchanger is tailored for converting direct engine cooling to a closed cooling system for the Diesel Engine Bukh DV10 (901-1211). It comes with all the necessary components, including an expansion tank, an electric circulation pump, and mounting materials.
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$ 1,709.18
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1-2 weeks delivery time This heat exchanger is designed for the Diesel Engine Bukh DV20 (901-1212) to convert direct cooling to a closed cooling system. It includes essential components for easy installation, such as an expansion tank, a Johnson circulation pump, and mounting materials.
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$ 2,305.11
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1-2 weeks delivery time This heat exchanger is designed for the Diesel Engine Volvo 2001 Fenix (901-1006), converting direct cooling to a closed cooling system. It includes all the necessary components such as an expansion tank, an electric circulation pump, and mounting materials for wall installation.
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$ 1,752
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1-2 weeks delivery time Tailored for the Diesel Engine Volvo MD2-11 (901-1012), this heat exchanger provides efficient cooling by converting direct cooling to a closed system. It includes an expansion tank, electric circulation pump, and all mounting materials needed for a simple installation.
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$ 1,933.01
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1-2 weeks delivery time Designed for the Diesel Engine Volvo MD3-17 (901-1013), this heat exchanger helps convert direct cooling to a closed cooling system. It comes with all essential components for installation, including an expansion tank, electric pump, and mounting materials.
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$ 2,037.80
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1-2 weeks delivery time For the Diesel Engine Volvo MD5 Fenix (901-1005), this heat exchanger converts direct cooling to a closed cooling system, with all necessary components like an expansion tank, electric circulation pump, and mounting materials included for easy installation.
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$ 1,752
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1-2 weeks delivery time This heat exchanger is designed for the Diesel Engine Volvo MD5-C (901-1010), converting direct cooling to a closed system. The set includes an expansion tank, electric Johnson circulation pump, and mounting materials, and is easy to mount directly on the engine.
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$ 1,192.58
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1-2 weeks delivery time For the Diesel Engine Volvo MD5A-B (901-1014), this heat exchanger converts direct cooling to a closed cooling system. It comes with all necessary components such as an expansion tank, electric circulation pump, and mounting materials, ready for installation.
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$ 1,709.18
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1-2 weeks delivery time This heat exchanger is designed for converting direct cooling to a closed cooling system for the Diesel Engine Volvo MD6-7 (901-1011). It includes an expansion tank, electric circulation pump, and mounting materials, and is mounted directly on the engine.
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$ 1,709.18
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1-2 weeks delivery time Designed for the Diesel Engine Volvo VP2001 (901-1020), this heat exchanger converts direct cooling to a closed cooling system. It comes with all the essential components, including an expansion tank, electric circulation pump, and mounting materials, for easy installation.
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$ 1,752
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1-2 weeks delivery time The Martec Heat Exchanger for the Volvo VP2002 Diesel Engine is designed to convert direct cooling engines into a closed system. It comes with an expansion tank, an electric Johnson circulation pump, and necessary mounting materials, all packaged for easy installation against a wall.
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$ 1,959.92
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1-2 weeks delivery time The Martec Heat Exchanger for the Volvo VP2003 Diesel Engine similarly converts direct cooling to a closed system. It includes an expansion tank, electric circulation pump, and mounting materials, providing a complete solution for engine cooling. It’s mounted against a wall for space-saving installation.
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$ 1,959.92
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1-2 weeks delivery time This Martec Heat Exchanger for the Yanmar 1GM Diesel Engine is tailored for converting engines with direct cooling into a closed system. The set includes an expansion tank, electric circulation pump, and mounting materials, allowing for easy installation against a wall.
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$ 1,752
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1-2 weeks delivery time The Martec Heat Exchanger for the Yanmar 2GM/2GM20 Diesel Engine offers a comprehensive solution for converting direct cooling engines to a closed cooling system. It includes all necessary components such as an expansion tank, electric circulation pump, and mounting materials for wall-mounted installation.
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$ 1,752
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What are the main components of a marine engine cooling system?
A marine engine cooling system consists of several key components designed to regulate engine temperature and prevent overheating. The heat exchanger plays a crucial role by transferring heat from the engine block to the cooling water, while the exhaust manifold and riser help dissipate excess heat as water exits through the exhaust system. Boat engines use either raw water cooling, where water from below the vessel enters and circulates through the system, or a closed-loop system with coolant circulating through a series of heat exchangers to maintain efficient temperature control.
How does the boat cooling system protect the engine block from overheating?
A boat engine cooling system prevents overheating by circulating water or coolant through the engine block to absorb excess heat. In a closed-loop system, coolant runs through a heat exchanger, transferring heat before being cooled and recirculated, while an open-loop system pulls water from the hull, cycles it through the engine, and expels it overboard. Regular checks for corrosion, leaks, and blockages help ensure proper flow and prevent failures that could lead to engine damage.
A well-maintained cooling system also protects critical engine components such as the oil cooler and fuel system by regulating temperature and preventing overheating-related failures. In diesel and Mercruiser engines, the system allows water to enter and flow efficiently, ensuring optimal heat dissipation and engine longevity. Regular replacement of worn-out parts, such as clamps and coolers, helps prevent corrosion buildup, which can restrict flow and increase the risk of system failure, ultimately affecting the vessel’s ability to keep cool and operate efficiently.
Why is it important to regularly clean the cooling system's tank and components?
Regular cleaning of the cooling system's tank and components is essential to prevent scale buildup, salt deposits, and corrosion, which can restrict water flow and reduce cooling efficiency. Marine engine manufacturers recommend inspecting the raw water pump, sea strainer, and coolant mixture on a regular basis to ensure proper circulation and prevent overheating. Unlike car engines, boat engines rely on water from the ocean or a closed-loop system, making maintenance critical to avoid costly repairs and engine failure.