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 Separate Expansion Tank Neck Small is a key component for connecting small expansion tanks to systems. It ensures a tight, leak-resistant connection and is built for durability and easy installation.
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$ 12.55
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1-2 weeks delivery time The Separate Expansion Tank Cap Big is designed for large systems, providing a strong, leak-free seal that helps maintain proper system pressure and supports efficient operation.
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$ 22.35
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1-2 weeks delivery time The Separate Expansion Tank Neck Big connects large expansion tanks securely to the system. It’s built to prevent pressure loss and leaks, with high durability for reliable performance.
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$ 11.99
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1-2 weeks delivery time The Crankcase Pump Bracket supports the crankcase pump with strong, stable alignment. It’s designed for durability and helps extend the life of the engine system.
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$ 17.28
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1-2 weeks delivery time The Crankcase Pump Rubber is a replacement part for the Crankcase Drain Pump, maintaining proper sealing and pump performance. It fits easily and helps ensure efficient operation.
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$ 5.96
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1-2 weeks delivery time The Rubber Cuff Ø55 Perpendicular is a flexible connector for 90-degree pipe joints. It’s ideal for plumbing and industrial use, offering a tight, durable seal.
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$ 68.78
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1-2 weeks delivery time The Rubber Cuff Ø55 Straight is made for linear pipe connections. It ensures strong sealing and alignment in systems like air ducts and fluid conduits.
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$ 72.85
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1-2 weeks delivery time Robust rubber cuff designed for Ø75 mm perpendicular connections, ideal for secure, angled jointing in ventilation, piping, and industrial systems requiring flexibility and durability.
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$ 79.03
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1-2 weeks delivery time Heavy-duty rubber cuff built for Ø75 mm straight connections, providing a reliable seal for high-flow or large-scale HVAC, plumbing, and utility installations.
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$ 55.69
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1-2 weeks delivery time Compact 5-inch oil cooler optimized for small to mid-range hydraulic systems, offering efficient thermal management with a 213 mm total length and 0.08 m² cooling surface.
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$ 382.09
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1-2 weeks delivery time The 6-inch oil cooler enhances cooling performance for moderate systems, with a 239 mm total length and a cooling surface area of 0.10 m², maintaining system temperature effectively.
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$ 387.86
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1-2 weeks delivery time The 7-inch oil cooler provides reliable cooling for more demanding applications, with a 264 mm total length and 0.12 m² cooling surface for consistent thermal regulation.
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$ 401.28
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1-2 weeks delivery time With a longer 229 mm core and total length of 315 mm, the 9-inch oil cooler increases oil capacity and heat dissipation efficiency, ideal for higher volume systems.
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$ 418.97
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1-2 weeks delivery time As the largest in the series, the 12-inch oil cooler delivers maximum thermal capacity with a 391 mm total length and 0.21 m² surface area, ideal for heavy-duty systems.
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$ 432.01
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1-2 weeks delivery time The 5-inch Type 55 oil cooler offers a compact design with dual 3/8" BSP oil connections, ideal for precision cooling in smaller systems with a 340 mm total length.
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$ 714.26
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1-2 weeks delivery time Offering increased efficiency, the 5"-7" Type 55 oil cooler provides an extended range of cooler lengths and surface areas, making it suitable for more demanding thermal needs.
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$ 733.44
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1-2 weeks delivery time The 7"-7" Type 55 oil cooler delivers a higher cooling capacity in a consistent 442 mm total length design, making it ideal for demanding systems needing greater surface area.
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$ 777.61
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1-2 weeks delivery time This 5-inch oil cooler with Ø75 mm diameter offers strong thermal performance in compact spaces, featuring a 249 mm total length and a 0.11 m² cooling surface.
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$ 464.66
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1-2 weeks delivery time The 7-inch version with Ø75 mm diameter enhances cooling for moderate flow setups, offering a total length of 270 mm and 0.16 m² surface area for temperature control.
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$ 491.53
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1-2 weeks delivery time Designed for higher-performance systems, the 10-inch oil cooler with Ø75 mm diameter provides superior thermal efficiency with a 352 mm total length and 0.23 m² cooling surface.
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$ 520.60
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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.