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Sierra Marine
Sierra Lower Unit Seal Kit - Johnson/Evinrude - S18-2679
Sierra Lower Unit Seal Kit - Johnson/Evinrude - S18-2679 Contains: Sierra CodeDescriptionO.E #Qty S18-2022 Oil Seal 303345 1 S18-2035 Oil Seal 327031 1 S18-2891 Bearing Housing...
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Sierra Marine
Sierra Lower Unit Seal Kit - Johnson/Evinrude - S18-2686
Sierra Lower Unit Seal Kit - Johnson/Evinrude - S18-2686. Contains: Sierra CodeDescriptionO.E #Qty S18-0882 Shift Rod Gasket 304764 1 S18-2005 Oil Seal 313284 1 S18-2021 Oil...
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Sierra Marine
Sierra Lower Unit Seal Kit - Johnson/Evinrude - S18-2691
Sierra Lower Unit Seal Kit - Johnson/Evinrude - S18-2691. Contains: Sierra CodeDescriptionO.E #Qty S18-2874 Solenoid Cover...
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Sierra Marine
Sierra Lower Unit Seal Kit - Johnson/Evinrude - S18-2690
Sierra Lower Unit Seal Kit - Johnson/Evinrude - S18-2690. Contains: Sierra CodeDescriptionO.E #Qty S18-2855 Shift Housing Cover to Gearcase Gasket 314082 1 S18-2874 Solenoid Cover...
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Sierra Marine
Sierra Lower Unit Seal Kit - Johnson/Evinrude - S18-2685
Sierra Lower Unit Seal Kit - Johnson/Evinrude - S18-2685. Contains: Sierra CodeDescriptionO.E #Qty S18-2030 Oil Seal 321786 3 S18-2031 Oil...
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Sierra Marine
Sierra Lower Unit Seal Kit - Johnson/Evinrude - S18-2692
Sierra Lower Unit Seal Kit - Johnson/Evinrude - S18-2692. Contains: Sierra CodeDescriptionO.E #Qty S18-0110 Shift Housing Gasket 324670 1 S18-2026 Oil Seal 321453 2 S18-2874 Solenoid Cover...
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Sierra Marine
Sierra Lower Unit Seal Kit - Johnson/Evinrude - Replaces - 433550
Sierra Lower Unit Seal Kit - Johnson/Evinrude. Replaces: 433550 Contains: Sierra CodeDescriptionO.E #Qty S18-2709 Wear Plate...
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Sierra Marine
Sierra E-Tec Drain Screw - Johnson/Evinrude - Replaces - 318544
Sierra E-Tec Drain Screw - Johnson/Evinrude. Replaces: 318544 Allan Head Part Number SRA-S18-4249
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Sierra Marine
Sierra Lower Unit Seal Kit - Johnson/Evinrude - Replaces - 5031456
Sierra Lower Unit Seal Kit - Johnson/Evinrude. Replaces: 5031456 For: 40/50 HP 4 stroke (1999-2003) Contains: Sierra CodeDescriptionO.E #Qty S18-0461 Water Pump...
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Sierra Marine
Sierra Drain/Fill plug Washer (Plastic) - Johnson/Evinrude (Pack of 5)
Sierra Drain/Fill plug Washer (Plastic) - Johnson/Evinrude. Replaces: 311598 Note: Comes in Pack of 5 Part Number SRA-S18-4248
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Sierra Marine
Sierra E-Tec Drain Screw - Johnson/Evinrude - Replaces - 307551
Sierra E-Tec Drain Screw - Johnson/Evinrude. Replaces: 307551 Allan Head Part Number SRA-S18-4255
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Sierra Marine
Sierra Drain Screw O-Ring - Johnson/Evinrude
Sierra Drain Screw O-Ring - Johnson/Evinrude. Replaces: 336982 Used w/ S18-1236 Drain Screw Package of 50 Part Number SRA-S18-4253-9
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Sierra Marine
Sierra Gear Housing Seal Kit - Johnson/Evinrude
Sierra Gear Housing Seal Kit - Johnson/Evinrude Replaces: 5030973 Fits: Johnson Evinrude 60/70 4-Stroke Part Number SRA-S18-74108
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Sierra Marine
Sierra Rotor - Mercruiser - S18-5405
Sierra Rotor - Mercruiser - S18-5405 Replaces: 808484, 808484 1, 898253010 Use with S18-5354 Distributor Cap Fits new GM style “Module in Cap” distributors - V-8 application Part Number SRA-S18-5405
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Sierra Marine
Sierra Crankshaft Seal Kit - Johnson/Evinrude - 40-75 HP
Sierra Crankshaft Seal Kit - Johnson/Evinrude. For: 40-75 HP Part Number SRA-S18-4330
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Sierra Marine
Sierra Crankshaft Seal Kit - Johnson/Evinrude - Crossflow V-4 - V-6
Sierra Crankshaft Seal Kit - Johnson/Evinrude. For: Crossflow V-4 - V-6 Part Number SRA-S18-4331
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Sierra Marine
Sierra Head Gasket - Johnson/Evinrude - Replaces - 346007
Sierra Head Gasket - Johnson/Evinrude - Replaces - 346007. Fits: 200 Ficht FFI (1999-01), 225 (2000-04), 250 (2000-04), 3.3L (2000-04) Part Number SRA-S18-0491
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Sierra Marine
Sierra Head Gasket - Johnson/Evinrude - Replaces - 340919, 345257
Sierra Head Gasket - Johnson/Evinrude - Replaces - 340919, 345257. Fits: 200 BB (1993 & Up), 225 BB (1993 & Up), 225 Ficht FFI (1999 & Up)250 Carb only (2000) Part Number SRA-S18-0492
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Sierra Marine
Sierra Head Gasket - Johnson/Evinrude - Replaces - 332010, 326953
Sierra Head Gasket - Johnson/Evinrude - Replaces - 332010, 326953. Package of 2 Part Number SRA-S18-2888
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Sierra Marine
Sierra Head Gasket - Johnson/Evinrude - Replaces - 319633
Sierra Head Gasket - Johnson/Evinrude. Replaces - 319633 Part Number SRA-S18-2954
Motors & Parts - Inboard & Outboard
Inboard and outboard motors are the two main types of boat motors.
Inboard motors are located inside the hull of the boat. They are typically more powerful than outboard motors, and they can provide a smoother ride. However, they are also more expensive and more difficult to maintain.
The main parts of an inboard motor are:
- The engine: This is the heart of the motor, and it is responsible for generating power.
- The transmission: This transfers power from the engine to the propeller.
- The propeller: This is what actually moves the boat through the water.
Outboard motors are located outside of the hull of the boat. They are typically less powerful than inboard motors, but they are also less expensive and easier to maintain.
The main parts of an outboard motor are:
- The powerhead: This is the engine and transmission of the motor.
- The midsection: This houses the controls and the fuel tank.
- The lower unit: This contains the propeller and the gearcase.
In addition to the main parts, there are a number of other parts that are used in both inboard and outboard motors. These include:
- The fuel system: This delivers fuel to the engine.
- The cooling system: This keeps the engine cool.
- The electrical system: This provides power to the engine and the other components of the boat.
The parts of a boat motor can be quite complex, but they are all essential for the operation of the boat. By understanding the different parts of a boat motor, you can better understand how your boat works and how to maintain it properly.
Here are some of the most common parts of an inboard or outboard motor:
- Engine: The engine is the heart of the motor, and it is responsible for generating power.
- Propeller: The propeller is what actually moves the boat through the water.
- Gearbox: The gearbox transfers power from the engine to the propeller.
- Fuel system: The fuel system delivers fuel to the engine.
- Cooling system: The cooling system keeps the engine cool.
- Electrical system: The electrical system provides power to the engine and the other components of the boat.
These are just some of the most common parts of an inboard or outboard motor. There are many other parts that can be found in these motors, depending on the make and model of the motor.