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 Another key switch for Yamaha engines offers essential functionality and reliability, featuring a 3-position design with 14 threads and supporting 15A continuous and 30A appellate current along with a starter call function. It has original reference numbers similar to the previous model and is from Sierra, product number MP51040.
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$ 253.02
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1-2 weeks delivery time This 3-position key switch is engineered for efficient operation in Yamaha engines, featuring 11 wires and pins, supporting 15A continuous and 30A appellate current, and includes a starter call function. It is branded by Sierra, with product number MP51050.
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$ 379.10
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1-2 weeks delivery time The key-operated contactor designed for Mercury engines ensures reliable starting and operation, featuring a 3-position key switch with seven wires, supporting 15A continuous and 30A appellate current along with a starter call function. This product is from Sierra, with product number MP51090.
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$ 91.02
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1-2 weeks delivery time Another 3-position key-operated contactor is tailored for Mercury engines, providing efficient performance with ten wires and supporting 15A continuous and 30A appellate current, along with a starter call function. This product is also from Sierra, with product number MP52000.
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$ 119.73
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1-2 weeks delivery time The Standard Rocker Switch in black features a non-corrosive plastic construction with black actuators and a face plate. It includes silver contacts and brass blade terminals, rated for 20 amps at 12 VDC in an On-Off SPST configuration. This switch has mounting hole dimensions of 21.43 x 36.90 mm and is from Sierra, with product number RK40140.
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$ 18.65
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1-2 weeks delivery time The Rocker Switch - On/Off/On is designed for enhanced functionality with multiple positions. It has a non-corrosive plastic construction, a black face plate, and is non-illuminated. Rated for 20 amps at 12 VDC, it features silver contacts, brass blade terminals, and indicates a momentary position with "ON" in parentheses. This SPDT switch is from Sierra, product number RK40170.
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$ 24.12
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1-2 weeks delivery time The Standard Seastar Switch combines functionality with sleek design, suitable for marine applications. It features non-corrosive plastic construction, black actuators, and a black face plate, along with silver contacts and brass blade terminals. Rated for 20 amps at 12 VDC, it operates in a MOM ON-OFF MOM ON SPDT configuration, with mounting hole dimensions of 21.43 x 36.90 mm. This product is from Sierra, with product number RK40350.
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$ 23.02
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1-2 weeks delivery time The 25A Switch is designed for efficient electrical control, featuring faston terminals and a plastic body with silver contacts. It is a single-pole SPST model, operating in ON/OFF positions, and is branded by Sierra, product number TG40020-1.
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$ 18.55
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1-2 weeks delivery time The Lever Switch - 3 Positions On/Off/On is ideal for versatile control, featuring faston terminals and a plastic body with silver contacts. It is a single-pole SPDT model, with positions for ON/OFF/ON, and is from Sierra, product number TG40040-1.
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$ 22
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1-2 weeks delivery time The Lever Switch - 3 Positions Mom/Off/Mom offers momentary control for specific operational needs, featuring faston terminals and a plastic body with silver contacts. This single-pole SPDT model operates in MOM/OFF/MOM positions and is from Sierra, product number TG40050-1.
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$ 22.33
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1-2 weeks delivery time The Lever Switch - 3 Positions On/Off/Mom offers versatile control with a single pole SPDT configuration featuring ON/OFF/MOM positions. It includes a faston terminal and a plastic body with silver contacts, and is from Sierra, product number TG40160-1.
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$ 23.77
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1-2 weeks delivery time The On/Off Switch - 20A is designed for reliable performance, featuring a lighted lever tip with a white indicator for OFF and a red indicator for ON. It has brass flat terminals, silver contacts, and non-corrosive plastic construction, operating as a single pole SPST switch. This product is from Sierra, with product number TG40300.
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$ 28.48
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1-2 weeks delivery time The Rocker Switch provides a user-friendly interface with clear indicators, including a lighted lever tip and the same white and red indicators for OFF and ON positions. It features brass flat terminals, silver contacts, and a non-corrosive plastic construction, operating as a single pole SPST switch with MOM/ON/OFF positions. This switch is branded by Sierra, product number TG40310.
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$ 29.65
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1-2 weeks delivery time Another 3-position Rocker Switch is designed for durability and functionality, featuring a lighted lever tip with indicators for OFF and ON. It operates as a single pole SPDT switch in MOM/OFF/MOM positions, constructed from non-corrosive plastic with brass flat terminals and silver contacts. This product is from Sierra, with product number TG40330.
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$ 34.02
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1-2 weeks delivery time This 3-position Rocker Switch features a lighted lever tip for enhanced visibility and control, with indicators for OFF and ON. It operates as a single pole SPDT switch in ON/OFF/MOM positions and includes brass flat terminals and silver contacts, constructed from non-corrosive plastic. This switch is from Sierra, product number TG40340.
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$ 32.52
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1-2 weeks delivery time The Rocker Mounting Brackets are designed to fit Sierra Standard and Contura® rocker switches, featuring sections that snap together without tools. The mounting hole dimensions for a 2 end unit set are 2.02" W (51.31 mm) x 1.90" H (48.26 mm), with an additional 1.03" (26.16 mm) for extra sections. This product is from Sierra, product number UN19700.
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$ 6.59
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1-2 weeks delivery time The Modura Switch Module Kit offers reliable performance and ease of installation for versatile applications, designed as a base for three switches. This product is from Sierra, with product number UN19750.
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$ 29.90
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1-2 weeks delivery time The Red Indicator Light provides clear visual signals in various settings, operating at 12V with a diameter of Ø12.5mm. It features a plastic body, quick installation for easy mounting, a drilling diameter of 12.5mm, and 100mm wires for connection. This product is from Sierra, with product number UN21280.
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$ 15.28
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1-2 weeks delivery time The Green Indicator 12V is ideal for signaling and enhancing visibility, also featuring a diameter of Ø12.5mm and a plastic body. It allows for quick installation, has a drilling diameter of 12.5mm, and includes 100mm wires for easy connection. This product is from Sierra, with product number UN21290.
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$ 15.28
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1-2 weeks delivery time The Orange Indicator provides a vibrant signal for various signaling needs, operating at 12V with a diameter of Ø12.5mm. It has a plastic body, allows for quick installation, and features a drilling diameter of 12.5mm along with 100mm wires for connection. This product is from Sierra, with product number UN21320.
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$ 13.06
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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.