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 operation of the outdrive.
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1-2 weeks delivery time Price incl. 19% VAT The Injector Seal Kit is essential for maintaining the performance of Mercury Marine engines, ensuring optimal sealing and functionality for various models including 4.3L MPI and 350 Mag MPI, manufactured by Sierra under product number 18-7695.
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€ 6,03
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1-2 weeks delivery time Price incl. 19% VAT Engineered for Johnson and Evinrude engines, this fuel pump kit provides the reliability needed for marine activities. It is suitable for models 25 to 235 produced from 1982 to 1985 and has the original part reference 393103, manufactured by Sierra.
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€ 22,45
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1-2 weeks delivery time Price incl. 19% VAT This gasket kit is essential for ensuring a proper seal and optimal performance in Johnson and Evinrude motors. It fits models 6 to 115 from 1985 to 1990 and includes original part references like 395867, produced by Sierra.
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€ 38,65
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1-2 weeks delivery time Price incl. 19% VAT This fuel pump kit guarantees reliable operation for Johnson and Evinrude engines, enhancing overall engine efficiency for models 20 to 50 produced between 1988 and 1990. It has the original part reference 432962 and is branded by Sierra.
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€ 32,48
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1-2 weeks delivery time Price incl. 19% VAT Vital for maintaining the efficiency and performance of Johnson and Evinrude engines, this fuel pump kit is suitable for models 2.5 to 25 produced from 1975 to 2005. It includes the original part reference 393088, manufactured by Sierra.
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€ 18,08
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1-2 weeks delivery time Price incl. 19% VAT The 5 Suzuki Lower Unit Drain Gaskets provide a reliable seal for various Suzuki outboard models, with original references including 09168-10004 and 09168-10022, suitable for models ranging from DT 2 to 150 and DF 2.5 to 140. Brand: Sierra, Product Number: 18-8331-9.
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€ 6,45
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1-2 weeks delivery time Price incl. 19% VAT The Lower Unit Seal Kit for Suzuki Outboard Motors is essential for maintaining the integrity of the motor, ensuring a tight seal to prevent water intrusion, and replacing Suzuki part number 25700-87D00. Brand: Sierra, Product Number: 18-8335.
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€ 37,84
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1-2 weeks delivery time Price incl. 19% VAT The Lower Unit Seal Kit is designed to provide a perfect seal for various outboard motors, replacing multiple part numbers including Suzuki 25700-94400 and OMC 5031456, ensuring compatibility with several outboard models. Brand: Sierra, Product Number: 18-8337.
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€ 45,67
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1-2 weeks delivery time Price incl. 19% VAT The Lower Unit Seal Kit for Suzuki Outboard Motors ensures optimal performance and prevents leaks, replacing Suzuki part number 25700-94500 and compatible with Mallory 9-74701. Brand: Sierra, Product Number: 18-8338.
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€ 55,14
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1-2 weeks delivery time Price incl. 19% VAT The Lower Unit Seal Kit for Suzuki Outboard Motors provides a reliable seal, ensuring optimal performance and preventing leaks, replacing Suzuki part number 25700-95500 and compatible with Mallory 9-74703. Brand: Sierra, Product Number: 18-8340.
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€ 60,61
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1-2 weeks delivery time Price incl. 19% VAT The comprehensive Lower Unit Seal Kit contains essential components to maintain the lower unit of your outboard motor, ensuring effective sealing and performance, and is interchangeable with Mallory 9-74107 and Suzuki 25700-95D00. Brand: Sierra, Product Number: 18-8341.
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€ 44,34
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1-2 weeks delivery time Price incl. 19% VAT The Oil Seal for Volvo-Penta and OMC Engines ensures proper sealing and prevents oil leaks, with original references including 3852548 and compatible with both OMC and Volvo engines. Brand: Sierra, Product Number: 18-8349.
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€ 23,52
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1-2 weeks delivery time Price incl. 19% VAT The Lower Unit Seal Kit is essential for maintaining the performance and durability of your outboard motor, ensuring a proper seal to prevent leaks and maintain optimal operation, and is compatible with Mallory 9-74002. Brand: Sierra, Product Number: 18-8362-1.
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€ 56,53
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1-2 weeks delivery time Price incl. 19% VAT The Lower Unit Gasket Kit for Honda is specifically designed for Honda outboards, providing reliable sealing for models BF9.9 and BF15, ensuring optimal performance. Brand: Sierra, Product Number: 18-8363.
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€ 33,49
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1-2 weeks delivery time Price incl. 19% VAT The Suzuki Lower Unit Gasket Kit fits Suzuki outboards from DF90 to DF115, ensuring a tight seal for optimal performance with original references 25700-90J00 and 25700-90J01. Brand: Sierra, Product Number: 18-8373.
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€ 53,93
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1-2 weeks delivery time Price incl. 19% VAT The Lower Unit Seal Kit for Suzuki Outboards ensures reliable performance and durability, compatible with Suzuki DF115 (2013-current) and DF140 (2002-current), and includes various essential components such as gaskets and seals. Brand: Sierra, Product Number: 18-8374.
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€ 61,97
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1-2 weeks delivery time Price incl. 19% VAT The Lower Unit Seal Kit is designed to provide a reliable seal for various outboard motors, replacing several part numbers and fitting multiple models for optimal operation, including equivalent parts from Mercury Marine and Mallory Marine. Brand: Sierra, Product Number: 18-8382.
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€ 51,03
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1-2 weeks delivery time Price incl. 19% VAT The Exhaust Elbow Mounting Kit for Crusader Inboards is designed for specific GM engines, ensuring a perfect fit for inboard requirements, compatible with both GM SB V8 305-350 cu.in. and BB V 454 cu.in. engines. Brand: Sierra, Product Number: 18-8547.
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€ 40,70
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1-2 weeks delivery time Price incl. 19% VAT The Water Plate Gasket for Yamaha Engines is vital for maintaining water flow and cooling, contributing to efficient operation in models 60 and 70, with original reference numbers 6H3-11193-00-00. Brand: Sierra, Product Number: 18-99141.
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€ 41,34
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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.