A Lewmar bow thruster is a vital marine propulsion device that enhances a boat's maneuverability. It's typically installed in the bow of the vessel and aids in docking, especially in tight spaces or adverse conditions. With various components and parts available, including controllers and shear pins, it ensures smooth operation and precise control during installation and usage. Lewmar also offers retractable bow thrusters for added convenience and versatility in yacht and boat navigation.
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1-2 weeks delivery time The Lewmar 559018 is a genuine brass drive pin designed for the Lewmar 140TT bow thruster with a 140 mm tunnel diameter. Serving as a sacrificial shear pin, it provides reliable torque transmission while protecting the thruster drivetrain from overload and propeller impact. Suitable for vessels from under 30 ft up to 100 ft.
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$ 15.76
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1-2 weeks delivery time The Lewmar 589453 Propeller Fixing Kit is a genuine replacement hardware kit designed for Lewmar 110 mm bow thrusters. It includes the components required to securely mount the propeller, ensuring reliable operation and maintaining the original performance of the thruster system.
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$ 18.45
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1-2 weeks delivery time The Lewmar 589081 Thruster Motor Brush Kit is a genuine replacement service kit designed for Lewmar 12V thruster motors rated between 5.0 kW and 6.0 kW. Supplied with four replacement motor brushes, it restores reliable electrical contact, helping maintain motor efficiency, performance, and service life.
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$ 342.27
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1-2 weeks delivery time The Lewmar 589087 Thruster Motor Brush Kit is a genuine replacement service kit for Lewmar 12V thruster motors rated between 2.0 kW and 2.2 kW. Supplied with four replacement motor brushes, it restores proper electrical contact to maintain efficient motor performance and extend service life.
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$ 170.67
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1-2 weeks delivery time The Lewmar B11126 is a genuine 12V relay designed for Lewmar 140TT and 185TT bow thrusters with 2.2 kW and 3.0 kW motors. It provides reliable switching of the thruster motor circuit and is manufactured for direct compatibility with the original Lewmar electrical system.
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$ 627.97
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1-2 weeks delivery time The Lewmar B11128 is a genuine 12V relay designed for Lewmar 185TT bow thrusters equipped with 4.0 kW and 5.0 kW motors. It provides reliable switching of the thruster motor circuit and is manufactured to ensure seamless integration with the original Lewmar electrical system.
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$ 737.49
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1-2 weeks delivery time The Lewmar B12526 is a genuine 12V relay designed for Lewmar 140TT bow thrusters equipped with a 2.0 kW motor. It provides reliable switching of the thruster motor circuit and is manufactured to ensure direct compatibility with the original Lewmar electrical system.
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$ 365.58
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1-2 weeks delivery time The Lewmar 559003 Black Box is a genuine electronic control unit designed for Lewmar TT-series bow thrusters. It manages the electrical control functions of the thruster system, providing reliable communication between the control panel and motor components while ensuring smooth and dependable operation.
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$ 333.66
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1-2 weeks delivery time The Lewmar 589274 ICU Blue Box is a genuine GEN2 Intelligent Control Unit designed for the Lewmar 185TT 3.0 kW 12V bow thruster. Featuring Lewmar's redesigned Blue Box electronics, it supplies power and control logic to compatible control panels while integrating onboard fuse protection, LED status indication, and Phoenix terminal connections for reliable installation and operation.
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$ 580.03
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1-2 weeks delivery time The Lewmar 589296 ICU RT Thruster Blue Box is a genuine GEN2 Intelligent Control Unit featuring Lewmar's redesigned electronic architecture for RT thruster systems. It supplies power and control logic to compatible control panels while incorporating integrated LED status indication, onboard fuse protection, and Phoenix terminal connections for reliable installation and long-term performance.
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$ 328.91
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1-2 weeks delivery time The Lewmar 589096 Motor Support Bracket is a genuine mounting accessory designed for the Lewmar 140TT bow thruster. It provides additional support for installations where the thruster motor is inclined more than 30° from the vertical, helping maintain correct motor alignment and reliable operation.
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$ 39.53
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1-2 weeks delivery time The Lewmar 589064 Motor Support Bracket is a genuine mounting accessory designed for the Lewmar 185TT bow thruster. It provides additional support for installations where the thruster motor is inclined more than 30° from the vertical, helping maintain correct motor alignment and ensuring reliable long-term operation.
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$ 39.53
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1-2 weeks delivery time The Lewmar 589065 Motor Support Bracket is a genuine mounting accessory designed for the Lewmar 300TT bow thruster. It provides additional support for installations where the thruster motor is inclined more than 30° from the vertical, helping maintain correct motor alignment and ensuring reliable long-term operation.
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$ 39.53
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1-2 weeks delivery time The Lewmar 55102612 is a genuine 12V replacement thruster motor designed for the Lewmar 140TT bow thruster. Rated at 2.2 kW, it delivers reliable power and efficient operation while providing direct compatibility with the original 140TT thruster system.
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$ 854.27
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1-2 weeks delivery time The Lewmar 589454 Composite Gearbox Kit is a genuine replacement gearbox assembly designed for the Lewmar 110TT bow thruster. Featuring a durable composite gearbox, it provides reliable power transmission, corrosion resistance, and long service life in demanding marine environments.
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$ 939.96
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1-2 weeks delivery time The Lewmar 589156 Composite Gearbox Kit is a genuine replacement kit designed for the Lewmar 140TT bow thruster. It includes the composite gearbox, gasket, screws, washers, and spring washers required for gearbox replacement or repair, restoring reliable power transmission and long-term performance.
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$ 839.58
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1-2 weeks delivery time The Lewmar 589358 Stainless Steel Hub Assembly is a genuine replacement hub designed for the Lewmar 185TT bow thruster. Featuring a durable stainless steel construction and a 1.5:1 gear ratio, it provides reliable torque transmission and optimized thrust performance for demanding marine applications.
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$ 1,766.45
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1-2 weeks delivery time The Lewmar 55910073 Shear Pin is a genuine replacement safety component designed for the Lewmar 250TT bow thruster. It protects the drivetrain from overload by acting as a sacrificial mechanical link and can be easily replaced during routine maintenance or after activation.
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$ 14.58
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1-2 weeks delivery time The Lewmar 110TT Thruster Gearbox & Propeller Foot Kit, available as Osculati 02.041.04, is a genuine replacement lower drive assembly for Lewmar 110TT bow thrusters. Designed to restore the gearbox and propeller foot assembly, it provides reliable power transmission, smooth operation, and long-lasting performance in marine environments.
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$ 1,100.93
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1-2 weeks delivery time The Lewmar 125TT Thruster Gearbox & Footswitch Kit, available as Osculati 02.041.05, is a genuine replacement kit for Lewmar 125TT bow thrusters. Designed to restore the gearbox assembly while supporting footswitch control, it provides reliable drivetrain performance and responsive maneuvering for compatible thruster systems.
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$ 1,037.37
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What is the function of a Lewmar bow thruster on a boat?
The function of a Lewmar bow thruster on a boat is to provide precise and efficient maneuverability, allowing the vessel to move laterally or rotate in tight spaces. The tunnel thruster, such as the Lewmar TT Gen 2, delivers even thrust in both directions, ensuring quiet performance and improved boat handling. With a composite construction, the thruster offers durability and reliability under various conditions.
What are the key features of the Lewmar stern thruster?
The key features of the Lewmar stern thruster include its robust support system and versatile size options to fit various boat models. Customers can find a complete range of products, including the advanced black box and blue box control systems, through the our website. Additionally, we provide excellent customer service, ensuring a top shopping experience.
What is the purpose of the drive pin in the Lewmar thruster assembly?
The drive pin in the Lewmar thruster assembly is a crucial component that ensures the propeller remains securely connected to the motor shaft, enabling effective thrust in both forward and reverse directions. This component's reliability helps maintain optimal performance of the thruster system, essential for precise boat maneuvering.