Sierra Boat Parts represents a wide range of marine parts used in engines, fuel systems, electrical components, starters, solenoids, manifolds, gears, and drive parts for the marine industry. These products are designed to replace original components in outboard and inboard power systems, supporting high horsepower engine demands in harsh marine environments, including 4 stroke applications, fuel delivery, ventilation, and drivetrain operation.
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1-2 weeks delivery time 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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$ 59.44
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1-2 weeks delivery time 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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$ 9.34
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1-2 weeks delivery time Designed for a range of Mercury and Mercruiser engines, these lower unit drain gaskets help prevent leaks and are compatible with engines from 6 to 250hp. Produced by Sierra, they carry the product number 18-2945-9.
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$ 3.77
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1-2 weeks delivery time These exhaust manifold gaskets are designed for Volvo-Penta engines, ensuring a tight seal and optimal performance for various models produced between 1973 and 1993. They are made by Sierra and have the product number 18-2949-9.
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$ 34.98
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1-2 weeks delivery time Compatible with Evinrude and Johnson outboard engines, this head gasket is for models 5, 5.5, and 6, providing a strong seal for optimal operation. Manufactured by Sierra, it carries original reference numbers 329103 and 306204, with the product number 18-2961.
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$ 36.98
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1-2 weeks delivery time This durable head gasket is designed for Evinrude and Johnson outboard engines, specifically for models 9.9, 14, and 15, ensuring reliable sealing and performance. It is produced by Sierra and has the product number 18-2963, referencing original numbers 318914, 320533, and 330818.
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$ 28.90
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1-2 weeks delivery time The exhaust elbow gasket is essential for maintaining the performance of Volvo-Penta engines, providing a secure seal to prevent leaks. It references original part numbers 835908, 856039, and 857618, and is compatible with numerous models including AQ175 and AQ290. This product is made by Sierra with the product number 18-2971-1.
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$ 31.36
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1-2 weeks delivery time The Sierra Marine impeller 18-3000 is designed for Suzuki outboard water pumps, ensuring efficient water circulation and engine cooling. It is compatible with Suzuki part numbers 17461-92D00 and 17461-92D01, and is used in Suzuki models DT8 C and DT9.9 C from 1988 to 1997.
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$ 28.43
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1-2 weeks delivery time This impeller is designed for various Johnson and Evinrude outboard engines, providing optimal performance over the years. It references original part numbers 277181 and 434424, and is compatible with models from 1952 to 1978, including models such as 3, 4, and 5. Produced by Sierra, it has the product number 18-3001.
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$ 32.36
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1-2 weeks delivery time Designed for a range of Johnson and Evinrude outboard engines, this impeller ensures reliable operation and maintains efficient cooling and performance. It references original part numbers 375638 and 775518, and is compatible with models from 1966 to 1978, including models like 10 and 15. This product is made by Sierra with the product number 18-3002.
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$ 39.82
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1-2 weeks delivery time Crafted for Mercury engines, this impeller provides reliable operation and compatibility with original references including 47-20268 and 47-65959. Made of rubber material, it fits various outboard models and is produced by Sierra, with the product number 18-3007.
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$ 27.80
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1-2 weeks delivery time Designed specifically for Mercury outboard engines, this reliable impeller ensures excellent performance across models like 10 to 40. It references original part numbers 47-20813 and 47-25287, and is manufactured by Sierra with the product number 18-3008.
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$ 40.79
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1-2 weeks delivery time Engineered for specific Mercury models, this impeller ensures reliable operation for outboard motors, referencing original part number 47-22748. It is made of rubber and is compatible with models 3.9 to 9.8, produced by Sierra with the product number 18-3012.
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$ 46.80
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1-2 weeks delivery time This impeller is designed for Johnson and Evinrude outboard engines, providing efficient interchangeability with part numbers such as 396852 and 433935. It is suitable for models like 2.5 and 4 Ultra, manufactured by Sierra with the product number 18-3015.
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$ 38.05
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1-2 weeks delivery time This high-performance impeller is made for various Mercruiser engines, ensuring efficient operation and durability, with original references including 47-862232A2 and 47-8M0104229. It features eight blades and is manufactured by Sierra with the product number 18-3016-1.
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$ 55.32
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1-2 weeks delivery time Designed for a wide range of Mercury models, this impeller ensures reliable performance across various engine types, referencing numerous original part numbers. Made of rubber, it is produced by Sierra with the product number 18-3017.
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$ 39.05
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1-2 weeks delivery time Specifically crafted for Suzuki outboard engines, this impeller provides exceptional reliability and performance. It references multiple original part numbers and is compatible with models from 90 to 225, manufactured by Sierra with the product number 18-3023.
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$ 96.07
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1-2 weeks delivery time This impeller is specifically engineered for Honda outboard engines, ensuring reliability and efficiency with the original reference 19210-ZY3-003. It is suitable for models 175 to 250 and is produced by Sierra with the product number 18-3031.
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$ 74.05
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1-2 weeks delivery time Designed to meet the needs of Suzuki outboard engines, this impeller provides excellent performance and references original part number 17461-93J00. It is compatible with models 200 to 300 from 2004 and later, manufactured by Sierra with the product number 18-3035.
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$ 60.38
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1-2 weeks delivery time This impeller kit is essential for maintaining the performance of Volvo-Penta inboard engines, referencing original part numbers such as 21951356 and 3841697. It is made of nitrile, features eight blades, and is produced by Sierra with the product number 18-3038.
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$ 102.96
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What is the functional purpose of a thermostat part in a boat engine system used in Sierra Boat Parts applications?
The functional purpose of a thermostat part in a boat engine system is to regulate coolant flow so the engine maintains its optimal operating temperature under varying loads. In marine products such as aftermarket engine and drive parts, proper temperature control supports efficient marine fuel combustion, protects internal components, and ensures correct vent and cooling behavior during continuous operation. This type of replacement component is commonly referenced within technical ranges associated with sierra marine parts and sierra replacement applications in the marine environment.
How are marine fuel system components designed to operate with mercury engine platforms?
Marine fuel system components are designed to align with mercury engine platforms by matching specific fuel pressure, flow characteristics, and operating temperatures required by these power units. In mercruiser-style applications, such components support consistent engine performance and reliability.