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 This propeller nut is compatible with multiple brands, ensuring secure fastening for outboard motors. It features original references like 11-52707 and has an outer diameter of 11/16" and an inner diameter of 3/4". Compatible with Honda, Mercury, and Mercruiser models, it is branded by Sierra with the product number 18-3700.
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$ 26.04
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1-2 weeks delivery time This high-quality propeller nut kit is essential for maintaining optimal performance in Mercury engines ranging from 75hp and above. It meets OEM specifications and ensures reliability for various models, including Honda and Mercruiser. The product number is 18-3701, and it includes original references such as 11-52707A1.
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$ 38.72
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1-2 weeks delivery time This propeller nut and thrust washer set is designed specifically for Mercury engines from 30hp to 60hp, ensuring a secure fit and optimal functionality. It is compatible with models like 40 and 60, featuring original references like 11-69578A1, and is branded by Sierra with the product number 18-3702.
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$ 25.96
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1-2 weeks delivery time Designed for optimal performance, this propeller thrust washer is suitable for various marine applications. It features an original reference of Merc. 12-31211Q03 and is branded by Sierra with the product number 18-3714.
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$ 17.98
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1-2 weeks delivery time This nut and washer kit is essential for ensuring secure installation and efficient operation of Johnson and Evinrude propellers. It is compatible with models such as 90 and 200, includes the original reference of 175266, and is branded by Sierra with the product number 18-3715.
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$ 53.63
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1-2 weeks delivery time Specifically designed for Johnson and Evinrude engines, this propeller nut kit provides a reliable solution for secure propeller attachment. It features the original reference 125267 and is compatible with models like 35 and 100, branded by Sierra under product number 18-3716.
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$ 22.26
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1-2 weeks delivery time This Johnson propeller nut kit is designed for reliable performance in Evinrude and Johnson engines, ensuring secure propeller attachment for optimal operation. It has the original reference of 175268 and is suitable for models such as 15 and 30, branded by Sierra with the product number 18-3717.
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$ 20.72
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1-2 weeks delivery time Designed specifically for Yamaha and Suzuki motors, this propeller nut is crucial for performance in models from 115hp. It includes original references like 09141-18005 and is branded by Sierra, with the product number 18-3726.
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$ 16.46
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1-2 weeks delivery time This spanner nut is essential for maintaining the integrity of various Mercruiser models. It has original references such as 35912 and is compatible with models like Bravo I/II/III, branded by Sierra with the product number 18-3751.
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$ 52.13
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1-2 weeks delivery time Designed for the Alpha I/Gen II series, this slot nut ensures a secure fit for optimal performance. It features original references like 35992 and is manufactured by Mercruiser, branded by Sierra under product number 18-3752.
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$ 64.71
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1-2 weeks delivery time The Yamaha Propeller Nut Kit is designed for specific Yamaha outboard models, ensuring a perfect fit and reliable performance. It has an original part reference of 6H1-W4599-00-00 and is compatible with models such as F50 and T50. Manufactured by Yamaha and branded by Sierra, it carries the product number 18-3781.
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$ 83.69
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1-2 weeks delivery time This Cylinder Head Gasket ensures a tight seal for Johnson and Evinrude outboard engines, enhancing performance and reliability. It has an original part reference of 325273 and is compatible with models 5, 6, and 8 from 1986 to 2000. Manufactured by Evinrude and Johnson, it is branded by Sierra with the product number 18-3800.
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$ 35.35
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1-2 weeks delivery time This Cylinder Head Gasket provides a secure seal for various Johnson and Evinrude outboard models, enhancing engine efficiency. It features original part references 320658, 327795, and 335359, and is compatible with models like 40 and 60. Manufactured by Evinrude and Johnson, it is branded by Sierra with the product number 18-3802.
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$ 64.47
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1-2 weeks delivery time This Cylinder Head Gasket ensures a proper seal for smaller Johnson and Evinrude outboard engines, promoting durability and performance. It includes original part references 324324, 329419, and 765012, and is compatible with models 20, 25, 30, and 35. Branded by Sierra, the product number is 18-3803.
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$ 48.90
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1-2 weeks delivery time Specifically designed for certain Suzuki outboard models, this Cylinder Head Gasket ensures a perfect fit and durability. It includes original part references like 11141-93900 and is compatible with models DT9.9 and DT15. Manufactured by Suzuki and branded by Sierra, it has the product number 18-3808.
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$ 47.91
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1-2 weeks delivery time This gasket is designed to fit original reference numbers 11141-87E10, 11141-87E11, 11141-87E20, and 11141-87E90, specifically for models DT90 and DT100. It is branded by Sierra with the product number 18-3822.
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$ 108.97
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1-2 weeks delivery time This gasket is designed for compatibility with various Yamaha and Mercury engines, enhancing engine reliability. It includes original reference numbers like 27-825482 and is suitable for models 8 and 9.9 (4-stroke). Branded by Sierra, it has the product number 18-3827.
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$ 81.28
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1-2 weeks delivery time Designed for Yamaha and Mercury engines, these gaskets ensure a perfect fit and optimal engine performance. They include original reference numbers such as 682-11181-01-00 and are compatible with models 9.9 to 15 from 1984 to 1995. Manufactured by Mariner and Yamaha, they carry the product number 18-3828.
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$ 38.37
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1-2 weeks delivery time This high-quality cylinder head gasket is designed specifically for Johnson outboard engines, ensuring optimal performance and reliability. It has an original reference of 329836 and is compatible with models 50, 60, 65, and 70 from 1990 to 2000. Manufactured by Evinrude and branded by Sierra, it carries the product number 18-3836.
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$ 65.92
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1-2 weeks delivery time This cylinder head gasket is specifically designed for Johnson engines manufactured by Evinrude, ensuring a perfect fit and optimal performance. It has an original reference of 203130 and is suitable for models 4 and 4.5 from 1969 to 1980. The gasket is branded by Sierra, with the product number 18-3841-2.
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$ 14.02
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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.