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 Designed for specific Johnson and Evinrude models, this fuel pump provides reliable performance from 1990 to 2005 for engines ranging from 18 to 35 HP, manufactured by Sierra under product number 18-7353.
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$ 154.02
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1-2 weeks delivery time The Fuel Pump Gasket Kit enhances the longevity and performance of Yamaha engines by ensuring a proper seal, compatible with models from 1984 to 2006, produced by Sierra under product number 18-7367.
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$ 30.11
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1-2 weeks delivery time This Fuel Pump Gasket Diaphragm Kit provides essential components to maintain Yamaha engine performance for models 4 and 5 from 1984 to 2002, manufactured by Sierra under product number 18-7368.
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$ 58.47
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1-2 weeks delivery time These O-Rings provide effective sealing for various marine engines, compatible with Johnson, Evinrude, Mercury, and Mercruiser models, produced by Sierra under product number 18-7440-1-9.
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$ 1.44
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1-2 weeks delivery time This Lower Unit Gasket Kit is specifically designed for Yamaha 9.9 and 15HP engines from 1984 to 1991, ensuring a secure fit and effective sealing, manufactured by Sierra under product number 18-74501.
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$ 158.70
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1-2 weeks delivery time This crankshaft position sensor is designed for various Mercruiser engines, compatible with models ranging from 4.3L to 6.2L MPI, and replaces several original references, manufactured by Sierra under product number 18-7556.
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$ 304.72
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1-2 weeks delivery time The Temperature Sensor is essential for monitoring engine performance in various Mercruiser models, ensuring optimal functioning and longevity for engines such as 4.3L, 5.0L, and 7.4L, manufactured by Sierra under product number 18-7600.
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$ 47.80
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1-2 weeks delivery time The Rochester 4C Carburetor is designed for optimal performance in Mercruiser engines, providing efficient fuel delivery for models from 1985 to 1992, including 175/185 and 4.3L variants, produced by Sierra under product number 18-7604-1.
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$ 1,524.37
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1-2 weeks delivery time The Trim Sensor Kit is essential for maintaining the performance of Alpha and Bravo lower units, ensuring accurate trim readings for various models, produced by Sierra under product number 18-7633.
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$ 156.72
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1-2 weeks delivery time This Trim Sensor is designed for various OMC engines, providing reliable performance and accurate measurements for inboard engines, manufactured by Sierra under product number 18-7634.
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$ 413.81
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1-2 weeks delivery time The premium Knock Sensor is compatible with a variety of brands including Mercruiser and OMC, ensuring engine reliability with original references such as 806612T, produced by Sierra under product number 18-7677.
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$ 158.84
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1-2 weeks delivery time This fuel injector is compatible with various Mercruiser TBI models, ensuring efficient fuel delivery for engines such as the 4.3L EFI and 350 MAG EFI, manufactured by Sierra under product number 18-7685.
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$ 783.22
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1-2 weeks delivery time The Throttle Position Sensor (TPS) is essential for optimal engine performance in Mercruiser and Volvo-Penta engines, providing accurate throttle position readings to enhance efficiency and responsiveness. It is referenced as 853678T and 3857487, and is compatible with various MPI models, including 4.3L to 8.2L engines.
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$ 250.66
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1-2 weeks delivery time The Idle Air Valve (ISC - IAC) regulates air intake during idle conditions, improving engine stability and performance. It is compatible with Mercruiser models from 1998 to 2014 and is referenced as 862998, suitable for 3.0L to V8 MPI engines.
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$ 231.37
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1-2 weeks delivery time The Crankshaft Position Sensor (CPS) is vital for monitoring engine position to ensure accurate timing and optimal performance in Volvo-Penta engines. It is referenced as 3858979 and is compatible with multiple models.
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$ 316.15
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1-2 weeks delivery time The In-Line Fuel Filter is designed for Yamaha engines to keep the fuel system clean and free from contaminants, enhancing overall engine performance. It has an original reference of 68T-24251-00-00 and is compatible with Yamaha HB engine types.
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$ 29.62
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1-2 weeks delivery time This fuel filter is specifically designed for Suzuki 4-stroke engines, ensuring optimal performance and reliability. It is compatible with models DF150 (06+) and DF175 (06+), with an original reference of 15410-96J00, and is manufactured by Suzuki under the Sierra brand.
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$ 31.10
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1-2 weeks delivery time The fuel filter enhances engine life by providing superior filtration for Honda outboard engines, fitting models BF4, BF5, BF6, and BF8. Its original reference is 16910-GB2-005, and it is manufactured by Honda, also branded by Sierra.
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$ 17.61
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1-2 weeks delivery time Engineered for Yamaha and Mercury outboard engines, this fuel filter guarantees clean fuel delivery and fits various models including F4 (99-02) and 15cv (98+). It has multiple original references and is produced by Sierra for both manufacturers.
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$ 23.36
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1-2 weeks delivery time This fuel filter is compatible with various Suzuki and Johnson outboard engines, providing essential filtration for models such as DF25 to DF140 and J25 to J140. Its original references include 15410-87J10 and 5032323, manufactured by Sierra.
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$ 17.88
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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.