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 The 5-terminal Ignition/Start Key Switch with a PVC body offers reliability and smooth operation, designed for various applications with easy installation and durability for harsh conditions.
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$ 51.04
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1-2 weeks delivery time The 5-Terminal Ignition/Start Key Switch by Sierra is designed for reliable performance and ease of use, featuring a durable design that withstands various conditions, a secure key-operated mechanism for starting engines, compatibility with a wide range of marine applications, and easy installation with clear instructions included.
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$ 143.75
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1-2 weeks delivery time The Key-Operated Ignition Switch from Sierra ensures safe and efficient engine starting, engineered for maximum reliability in demanding environments, featuring simple key operation for added security, ideal for various marine and automotive uses, and includes comprehensive installation guidelines.
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$ 50.45
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1-2 weeks delivery time The Shields Sternflex Rigging Hose 2'' X 15 M (Black) is designed to safeguard wiring harnesses and hoses from damage due to water, abrasion, and weather on bracket-mounted outboard engines. This hose excels in resistance to abrasion, crushing, and UV deterioration, making it suitable for both outboard and ventilation applications, and it is not designed to split.
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$ 344.84
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1-2 weeks delivery time The Shields Sternflex Rigging Hose 2'' X 15 M (Grey) is engineered to protect wiring harnesses and hoses from environmental damage, ensuring longevity on bracket-mounted outboard engines. It offers excellent resistance to abrasion, crushing, and UV exposure, and is also applicable for ventilation uses, while notably not being designed to split.
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$ 268.84
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1-2 weeks delivery time The Gear Housing Seal Kit designed for Yamaha outboard motors is crucial for maintaining optimal performance by ensuring a proper seal to prevent leaks. It is compatible with Yamaha models including 4HP, F4, and 5HP from various years, and is branded by Sierra, ensuring quality and reliability.
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$ 55.58
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1-2 weeks delivery time The Oil Filter for Volvo-Penta engines is vital for the optimal functioning of these engines, ensuring clean oil circulation. It is the original reference for models D4 and D6, and branded by Sierra for quality assurance, with the product number 18-0035.
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$ 52.64
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1-2 weeks delivery time The Bypass Diesel Oil Filter is designed to maintain the cleanliness and efficiency of Volvo Penta engines, ensuring optimal performance. It is the original reference for the D4/D6 Bypass Model, and is branded by Sierra, with the product number 18-0036.
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$ 64.01
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1-2 weeks delivery time This water pump seal is compatible with Mercruiser, OMC, and Volvo Penta engines, ensuring reliability and performance. It references several original parts and is suitable for models including 2.5L, 3.0L, and others, with a product number of 18-0327.
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$ 4.77
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1-2 weeks delivery time The rocker cover seals are designed for various Mercruiser, OMC, and Volvo Penta models, providing an enhanced engine sealing solution. These seals reference multiple original parts and fit models such as 2.5L and 3.0L/X, with a product number of 18-0347.
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$ 30.62
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1-2 weeks delivery time The thermostat seals are crucial for maintaining optimal engine temperature in Mercruiser, OMC, and Volvo Penta engines. They reference several original parts and fit models like 3.0L and 150, with a product number of 18-0398-9.
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$ 12.25
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1-2 weeks delivery time High-quality intake manifold gaskets for Mercruiser engines provide optimal sealing and performance, compatible with models such as 7.4L, 8.2L MIE, and more, with original references including 27-52571 and 27-61782.
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$ 192.07
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1-2 weeks delivery time The inlet gasket for V-6 Vortec engines guarantees a reliable seal to prevent leaks and enhance performance, suited for models like 4.3L/X/EFI/MPI, with original references 27-824326002 and 27-8243261.
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$ 152.69
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1-2 weeks delivery time Providing a strong seal for V-8 engines, this intake gasket enhances engine efficiency and performance, compatible with various models, featuring original references like 27-807473A1 and 3857662.
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$ 69.08
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1-2 weeks delivery time The exhaust manifold cap is designed for a range of V6 and V8 engines, ensuring a tight seal and optimal performance, with original references including 909829 and 3852476.
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$ 24.08
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1-2 weeks delivery time An essential component for sealing exhaust manifolds in OMC engines, this exhaust manifold plug prevents leaks and enhances efficiency, fitting models like V8, with original references such as 764799 and 909830.
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$ 22.80
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1-2 weeks delivery time This rocker cover gasket ensures a proper seal for various GM engine models, including 5.0L and 5.7L, and is compatible with Mercruiser and Volvo Penta engines, branded by Sierra with product number 18-0664.
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$ 58.32
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1-2 weeks delivery time Ensure a tight seal with this exhaust manifold gasket compatible with Mercruiser, OMC, and Volvo Penta engines, fitting models such as 3.0L/X and 302, and branded by Sierra with product number 18-0680.
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$ 35.97
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1-2 weeks delivery time The GM exhaust elbow gasket is designed for Mercruiser V6 and V8 engines with a dry-seal exhaust manifold, fitting models such as 4.3L, 5.0L, 5.7L, and 6.2L, and is branded by Sierra with product number 18-0722.
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$ 64.29
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1-2 weeks delivery time The OMC intake manifold gasket kit provides necessary gaskets for OMC and Mercruiser engines, compatible with models like 5.0L/X CMI and 350 MAG, featuring original references such as 27-17145, and branded by Sierra with product number 18-0868.
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$ 66.66
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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.