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Sierra Marine
Sierra Distribution Cap - Mercruiser - S18-5243
Sierra Distribution Cap - Mercruiser - S18-5243. Replaces: 3859019 For: Delco HVS V-6 Distributors Part Number SRA-S18-5243
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Sierra Marine
Sierra Ignition Module - Mercruiser - S18-5107-1
Sierra Ignition Module - Mercruiser - S18-5107-1. Replaces: 3854003 4/6/8 cyl Part Number SRA-S18-5107-1
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Sierra Marine
Sierra Ignition Coil - Mercruiser - S18-7648
Sierra Ignition Coil - Mercruiser - S18-7648. Replaces: 3861267 Fits: 8.1Gi-A, 8.1Gi-B, 8.1Gi-BF, 8.1Gi-C, 8.1Gi-CF, 8.1Gi-D, 8.1Gi-DF, 8.1GSi-A, 8.1GXi-A, 8.1GXi-AF, 8.1GXi-B, 8.1GXi-BF, 8.1GXi-C Part Number SRA-S18-7648
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Sierra Marine
Sierra Coil - Mercruiser - S18-7493
Sierra Coil - Mercruiser - S18-7493. Replaces: 3859078 For: 8.1L 2001-2007 Part Number SRA-S18-7493
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Sierra Marine
Sierra Ignition Coil - Mercruiser - S18-5443
Sierra Ignition Coil - Mercruiser - S18-5443. Replaces: 817378T, 817378, 898253T27 Part Number SRA-S18-5443
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Sierra Marine
Sierra Ignition Coil - Mercruiser - S18-5465
Sierra Ignition Coil - Mercruiser - S18-5465. Replaces: 392-863704T, 8M0054588 2001 and newer 4.3L, 5.0L, 5.7L & 6.2L with 555 ECM (OM300000 and up) Part Number SRA-S18-5465
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Sierra Marine
Sierra Ignition Coil - Mercruiser - S18-5438
Sierra Ignition Coil - Mercruiser - S18-5438. Replaces: 392-7803A4, 392-805570A2 HEI Thunderbolt Ignition Part Number SRA-S18-5438
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Sierra Marine
Sierra Ignition Coil - Mercruiser - S18-5442
Sierra Ignition Coil - Mercruiser - S18-5442. Replaces: 806673T, T1 Part Number SRA-S18-5442
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Sierra Marine
Sierra Ignition Sensor Kit - Mercruiser - S18-5116-1
Sierra Ignition Sensor Kit - Mercruiser - S18-5116-1. Replaces: 87-861780A2, Q4, 87-892150A02 For: V-6 & V-8 with Thunderbolt ignition (1981-1997) nut connectors Part Number SRA-S18-5116-1
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Sierra Marine
Sierra Map Sensor - Mercruiser - S18-7660
Sierra Map Sensor - Mercruiser - S18-7660. Replaces: 881731, 8M0054726 V-6 & V-8 MPI engines with 555 ECM Part Number SRA-S18-7660
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Sierra Marine
Sierra Choke Thermostat - Mercruiser - S18-7664
Sierra Choke Thermostat - Mercruiser - S18-7664. Replaces: 809066 Weber 4V Carburetors with electric choke Part Number SRA-S18-7664
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Sierra Marine
Sierra Choke Pull-Off - Mercruiser - S18-7666
Sierra Choke Pull-Off - Mercruiser - S18-7666. Replaces: 1397-8582 Rochester 4V carburetors Part Number SRA-S18-7666
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Sierra Marine
Sierra Temperature Sensor - Mercruiser - S18-7600
Sierra Temperature Sensor - Mercruiser - S18-7600. Replaces: 805218T Part Number SRA-S18-7600
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Sierra Marine
Sierra Map Sensor - Mercruiser - S18-7551
Sierra Map Sensor - Mercruiser - S18-7551. Replaces: 861425 Fits: Mercury Scorpion, Black Scorpion 1998-2010 Part Number SRA-S18-7551
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Sierra Marine
Sierra Fuel Pressure Regulator - Mercruiser - S18-7663
Sierra Fuel Pressure Regulator - Mercruiser - S18-7663. Replaces: 802630T01, 802630001, 802630T, 802630, 8M0069803 7.4L MPI (L29) Part Number SRA-S18-7663
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Sierra Marine
Sierra Choke Thermostat - Mercruiser - S18-7667
Sierra Choke Thermostat - Mercruiser - S18-7667. Replaces: 71464A01, 71464, 72625 Rochester Carburetors with divorced choke Part Number SRA-S18-7667
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Sierra Marine
Sierra Knock Sensor - Mercruiser - S18-7554
Sierra Knock Sensor - Mercruiser - S18-7554. Replaces: 878187 Fits: Mercury 5.7L MAG 1994-2010 Part Number SRA-S18-7554
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Sierra Marine
Sierra Knock Sensor - Mercruiser - S18-7553
Sierra Knock Sensor - Mercruiser - S18-7553. Replaces: 808015T Fits: Mercury 5.7L MAG 1998-2010 Part Number SRA-S18-7553
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Sierra Marine
Sierra Crankshaft Sensor - Mercruiser - S18-7556
Sierra Crankshaft Sensor - Mercruiser - S18-7556. Replaces: 864297001 Fits: Mercury 5.0L, 6.2L 1998-2010 Part Number SRA-S18-7556
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Sierra Marine
Sierra Alternator - Mercruiser - S18-5967
Sierra Alternator - Mercruiser - S18-5967. Serpentine Pulley, 55 Amp Replaces: 807652T SAE J1171 Part Number SRA-S18-5967
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.