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Sierra Marine
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3054
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3054 Replacement impeller manufactured to OEM specifications. Part Number SRA-S18-3054
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Sierra Marine
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3063
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3063 Replacement impeller manufactured to OEM specifications. Part Number SRA-S18-3063
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Sierra Marine
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3056
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3056 Replacement impeller manufactured to OEM specifications. Part Number SRA-S18-3056
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Sierra Marine
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3057
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3057 Replacement impeller manufactured to OEM specifications. Part Number SRA-S18-3057
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Sierra Marine
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3062
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3062 Replacement impeller manufactured to OEM specifications. Part Number SRA-S18-3062
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Sierra Marine
Sierra Tilt/Trim Motor - Johnson/Evinrude, Replaces - 438529, 438531, 434496
Johnson/Evinrude Tilt/Trim Motor manufactured by Sierra. Replaces: 438529, 438531, 434496 For: 90, 115, 200, 225 HP (1991-Up); 120, 140 HP (1991-94); 130 HP (1995-Up) Part Number SRA-S18-6780
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Sierra Marine
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3066
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3066 Replacement impeller manufactured to OEM specifications. Part Number SRA-S18-3066
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Sierra Marine
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3073
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3073 Replacement impeller manufactured to OEM specifications. Part Number SRA-S18-3073
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Sierra Marine
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3067
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3067 Replacement impeller manufactured to OEM specifications. Part Number SRA-S18-3067
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Sierra Marine
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3069
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3069 Replacement impeller manufactured to OEM specifications. Part Number SRA-S18-3069
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Sierra Marine
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3072
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3072 Replacement impeller manufactured to OEM specifications. Part Number SRA-S18-3072
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Sierra Marine
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3074
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3074 Replacement impeller manufactured to OEM specifications. Part Number SRA-S18-3074
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Sierra Marine
Sierra Water Pump Impeller - Mercury/ Mariner - S18-8900
Sierra Water Pump Impeller - Mercury/ Mariner - S18-8900 Replacement impeller manufactured to OEM specifications. Part Number SRA-S18-8900
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Sierra Marine
Sierra Tilt/Trim Motor - Johnson/Evinrude, Replaces - 394176, 391264, 393988, 985237
Johnson/Evinrude Tilt/Trim Motor manufactured by Sierra. Replaces: 394176, 391264, 393988, 985237 Newer 2 wire design for most 3, 4, 6 and 8 cyl. applications 1982 to present. 3 bolt. (Motor Only) Use S18-7510 O-ring (O-ring...
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Sierra Marine
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3098
Sierra Water Pump Impeller - Mercury/ Mariner - S18-3098 Replacement impeller manufactured to OEM specifications. Part Number SRA-S18-3098
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Sierra Marine
Sierra Water Pump Impeller - Mercury/ Mariner - S18-45312
Sierra Water Pump Impeller - Mercury/ Mariner - S18-45312 Replacement impeller manufactured to OEM specifications. Part Number SRA-S18-45312
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Sierra Marine
Sierra Water Pump Repair Kit - Mercury/ Mariner - S18-3148
Sierra Water Pump Repair Kit - Mercury/ Mariner - S18-3148 Replacement water pump kit manufactured to OEM specifications. Part Number SRA-S18-3148
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Sierra Marine
Sierra Water Pump Repair Kit - Mercury/ Mariner - S18-3207
Sierra Water Pump Repair Kit - Mercury/ Mariner - S18-3207 Replacement water pump kit manufactured to OEM specifications. Part Number SRA-S18-3207
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Sierra Marine
Sierra Water Pump Repair Kit - Mercury/ Mariner - S18-3149-1
Sierra Water Pump Repair Kit - Mercury/ Mariner - S18-3149-1 Replacement water pump kit manufactured to OEM specifications. Part Number SRA-S18-3149-1
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Sierra Marine
Sierra Tilt/Trim Motor - Johnson/Evinrude, Replaces - 172850, 173564, 173596
Johnson/Evinrude Tilt/Trim Motor manufactured by Sierra. Replaces: 172850, 173564, 173596 For: 1974 (115 & 135 HP) For most 45 hp commercial models 1989-90, 2 cylinder applications (1984-88), 3 cylinder applications (1977-83) and 4 cylinder...
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.