Boat bellows are essential flexible rubber components used in the stern drive system to protect critical parts from water intrusion and wear. They enclose and seal the exhaust, shift cable, and u-joints, preventing leaks and ensuring smooth ... read more
1-2 weeks delivery time Price incl. 19% VAT The Alpha 1 Gen II Transom Gasket is vital for ensuring a secure seal in Mercruiser applications, identified by original reference Merc. 43713 and product number 18-2724.
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€ 25,62
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1-2 weeks delivery time Price incl. 19% VAT The Complete Kit for Volvo-Penta Transom provides all necessary components for a reliable installation, compatible with OMC and Volvo Penta models, and is identified by product number 18-2772-1.
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€ 265
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1-2 weeks delivery time Price incl. 19% VAT The Yamaha Baseplate Gasket Kit is compatible with various Yamaha engines ranging from 115 to 225hp, providing a reliable seal for optimal performance, and includes multiple original references with product number 18-2794-1.
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€ 138,51
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1-2 weeks delivery time Price incl. 19% VAT The Lower Unit Seal Kit for Yamaha Outboard Motors is essential for maintaining integrity and ensuring leak-free operation, compatible with specific Yamaha outboard models, and identified by product number 18-2798.
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€ 117,35
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1-2 weeks delivery time Price incl. 19% VAT The Manifold End Cap Gasket for Mercruiser Stern Drives replaces the original component to ensure a tight seal within the stern drive system, referenced by Mercury Marine 27-48043-1 and product number 18-2832-1-9.
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€ 13,49
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1-2 weeks delivery time Price incl. 19% VAT The 2 Exhaust Elbow Seals are essential for maintaining the integrity of the engine system, compatible with various models from Ford, GM, and Mercruiser, with product number 18-2833-9.
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€ 11,80
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1-2 weeks delivery time Price incl. 19% VAT The Valve Cover Gasket is designed for GM 305/350 CID engines, ensuring a proper seal for optimal performance, and is interchangeable with multiple original references, identified by product number 18-2845.
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€ 35,70
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1-2 weeks delivery time Price incl. 19% VAT The 2 Carburetor Gaskets for Mercruiser are crucial for maintaining the performance of various engines from 1968 to 2009, with multiple original references and product number 18-2848-9.
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€ 11,18
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1-2 weeks delivery time Price incl. 19% VAT The 2 Exhaust Elbow Seals for Mercruiser engines are designed to ensure a tight seal and prevent leaks, compatible with numerous models, and identified by product number 18-2849-9-1.
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€ 24,16
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1-2 weeks delivery time Price incl. 19% VAT These exhaust elbow gaskets are tailored for specific models, ensuring optimal performance and a secure fit, including models from 18-1999 to 18-1898, and are produced by Sierra with the product number 18-2854-1-9.
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€ 21,33
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1-2 weeks delivery time Price incl. 19% VAT The manifold end cap gasket is crucial for OMC Sterndrive and Cobra stern drive systems, providing a reliable seal and replacing OMC part number 311121. It is also manufactured by Sierra with the product number 18-2861-1-9.
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€ 21,71
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1-2 weeks delivery time Price incl. 19% VAT Order this exhaust elbow gasket if your manifold uses the riser adapter plate. For later model engines featuring a 2-barrel Holley carburetor and a stainless steel restrictor plate, it is advisable to order two gaskets. This product is made by Sierra, bearing the product number 18-2875-1-9.
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€ 24,20
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1-2 weeks delivery time Price incl. 19% VAT The Sierra 18-2884-9 head gasket is specifically designed for Johnson and Evinrude applications, ensuring compatibility and performance. It is interchangeable with GLM 33850 and Johnson/Evinrude Outboard 313782, meeting or exceeding original equipment specifications.
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€ 17,72
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1-2 weeks delivery time Price incl. 19% VAT These 2 Johnson exhaust plate gaskets are essential for maintaining engine performance integrity, referencing the original part number 203171 and suitable for models 3 to 4 manufactured between 1968 and 1976. They are produced by Sierra with the product number 18-2886-9.
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€ 11,18
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1-2 weeks delivery time Price incl. 19% VAT Designed for various Johnson and Evinrude outboard engines, these head gaskets provide a reliable seal and reference original part number 332010. They are compatible with models 3 to 8 and are manufactured by Sierra, with the product number 18-2888-9.
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€ 39,69
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1-2 weeks delivery time Price incl. 19% VAT The exhaust manifold gasket is specifically made for Mercruiser and OMC engines, ensuring a reliable seal for optimal performance. It replaces original references 27-32816, 27-52546, and 311068, suitable for models 110, 120 (1963-1982), and 153. This product is by Sierra, with the product number 18-2896-1.
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€ 19,59
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1-2 weeks delivery time Price incl. 19% VAT These engine block exhaust manifold gaskets are essential for various GM engines, ensuring proper fit and seal, with original references including 27-99757 and 3853412. They are compatible with multiple models and are produced by Sierra, carrying the product number 18-2909-9.
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€ 26,07
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1-2 weeks delivery time Price incl. 19% VAT Designed for specific Mercruiser and OMC engines, this exhaust manifold gasket guarantees durability and performance, replacing original references 27-53354 and 908079. It fits models 140, 302, and 9902, and is manufactured by Sierra, with the product number 18-2912-1.
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€ 22,28
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1-2 weeks delivery time Price incl. 19% VAT These high-quality OMC transom seals are crucial for maintaining inboard engine performance and preventing leaks, referencing original part numbers 911836 and 915840. Manufactured by Sierra, they have the product number 18-2918-9.
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€ 38,59
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1-2 weeks delivery time Price incl. 19% VAT The 2 Mercruiser stern drive gaskets provide a reliable seal for various Mercruiser models, ensuring optimal performance and durability, and replace original references such as 26-45577 and 26-455771. They are produced by Sierra under the product number 18-2944-9.
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€ 4,88
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What are the different types of boat bellows and their specific uses?
Boat bellows come in three main types: exhaust bellows, shift cable bellows, and u-joint bellows, each serving a specific function in a stern drive system. Exhaust bellows direct engine exhaust away from the boat through the drive, while shift cable bellows protect the shift cable from water intrusion and prevent leaks. U-joint bellows shield the universal joints and gimbal bearing from moisture and debris, helping to prevent rust and ensuring smooth operation of the outdrive.
Why is it important to regularly inspect and maintain boat bellows?
Regular inspection and maintenance of boat bellows are essential to prevent water intrusion and protect key components like the gimble bearing and shift cable. Cracks or dry bellows can lead to leaks, causing damage to the bell housing and requiring costly repairs. Using the right tools, such as an expander tool and socket, allows mechanics to carefully remove and replace worn bellows, ensuring the stern drive operates smoothly and the transom remains sealed against sea exposure.
In what marine environments do boat bellows experience the most wear and tear?
Boat bellows experience the most wear and tear in saltwater environments due to constant exposure to corrosion, UV rays, and marine growth. Frequent check and maintenance are necessary in high-motion conditions, such as rough waters or areas with heavy boat traffic, where the mount and clamp connections endure significant strain. Proper access to the bellows for inspections and timely pull and replacement of worn-out units can prevent leaks and potential drivetrain damage.