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Sierra Marine
Sierra Head Gasket - Mercruiser - S18-3877
Sierra Head Gasket - Mercruiser - S18-3877. Replaces: 914849 For: GM 454 (7.4L) CID Eng. Part Number SRA-S18-3877
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Sierra Marine
Sierra Head Gasket - Mercruiser - S18-3878
Sierra Head Gasket - Mercruiser - S18-3878. Replaces: 912766 For: 460 Ford *** PLEASE NOTE: BUY IN item only. T&Cs apply. Lead time for supply can take 2-4 months from order placement. Part Number SRA-S18-3878
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Sierra Marine
Sierra Head Gasket - Mercruiser - S18-3881
Sierra Head Gasket - Mercruiser - S18-3880. Replaces: 311210 For: GM 153 (2.5L) Part Number SRA-S18-3880
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Sierra Marine
Sierra Oil Pan Gasket - Mercruiser - S18-1237
Sierra Oil Pan Gasket - Mercruiser - S18-1237. Replaces: 3856138 For: GM 5.7L Part Number SRA-S18-1237
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Sierra Marine
Sierra Head Gasket - Mercruiser - S18-3880
Sierra Head Gasket - Mercruiser - S18-3880. Replaces: 311210 For: GM 153 (2.5L) Part Number SRA-S18-3880
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Sierra Marine
Sierra Head Gasket - Mercruiser - S18-3879
Sierra Head Gasket - Mercruiser - S18-3879. Replaces: 3854299, 912227, 914930 For: GM 262 (4.3L) CID Eng. Part Number SRA-S18-3879
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Sierra Marine
Sierra Head Gasket - Mercruiser - S18-3887
Sierra Head Gasket - Mercruiser - S18-3887. Replaces: 915325 For: (7.4L) 454 CID GEN V Part Number SRA-S18-3887
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Sierra Marine
Sierra Timing Cover Seals - Mercruiser - S18-1213
Sierra Timing Cover Seals - Mercruiser - S18-1213. Replaces: 26-97335, 26-11973, 26-42750, 26-54799 Part Number SRA-S18-1213
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Sierra Marine
Sierra Intake Manifold Gasket Set - Mercruiser - S18-4392
Sierra Intake Manifold Gasket Set - Mercruiser - S18-4392. Replaces: 27-75611A2, 27-75611A1 For: GM 305 & 350 CID Eng. 898 (198 HP) 200, 228, 230/260 (Inboard) 230, 250, 255, 260, 280 & 5.7L Ski Contains: Sierra CodeDescriptionO.E...
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Sierra Marine
Sierra Intake Manifold Gasket Set - Mercruiser - S18-4384
Sierra Intake Manifold Gasket Set - Mercruiser - S18-4384. For: GM 181 (3.0L) CID Eng; S/N 2508261-6229717 (Except 3.0LX) Part Number SRA-S18-4384
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Sierra Marine
Sierra Intake Manifold Gasket Set - Mercruiser - S18-4388
Sierra Intake Manifold Gasket Set - Mercruiser - S18-4388. Replaces: 27-11977A88, A92 For: GM 262 CID Eng; 175, 185 & 205 HP, 4.3L Includes S18-3879 Head Gasket Part Number SRA-S18-4388
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Sierra Marine
Sierra Intake Manifold Gasket Set - Mercruiser - S18-4389
Sierra Intake Manifold Gasket Set - Mercruiser - S18-4389. Replaces: 27-47453A1 For: All GM 165 HP (S/N 270032 & UP) & Inline 6 cyl. 250 CID Part Number SRA-S18-4389
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Sierra Marine
Sierra Short Block Gasket Set - Mercruiser - S18-1271
Sierra Short Block Gasket Set - Mercruiser - S18-1271. Contains: Sierra CodeDescription S18-0466 Oil Pan Gasket S18-1213 Forward Crankshaft Seals S18-1211 Rear Crankshaft Seals S18-0328 Push Rod Cover S18-0327 Water Pump...
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Sierra Marine
Sierra Head Gasket Set - Mercruiser - S18-1274
Sierra Head Gasket Set - Mercruiser - S18-1274. Contains: Sierra CodeDescription S18-2946 Head Gasket S18-0994 Mercarb Mounting Gasket S18-0356 Carb. Mounting Gasket S18-0164 Thermostat Housing Gasket S18-0347 Valve...
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Sierra Marine
Sierra Head Gasket Set - Mercruiser - S18-1275
Sierra Head Gasket Set - Mercruiser - S18-1275. Contains: Sierra CodeDescription S18-3879 Head Gasket S18-0994 2BBL Carb Mounting Gasket S18-0463 4BBL Carb Mounting Gasket S18-4408 Intake Manifold Gasket S18-0311 Valve...
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Sierra Marine
Sierra Head Gasket Set - Mercruiser - S18-1277
Sierra Head Gasket Set - Mercruiser - S18-1277. Contains: Sierra CodeDescription S18-0158 Intake Gasket S18-2848 Quadrajet Gasket NSS Valve Grind Cover Gasket S18-3878 Head Gasket S18-0956-1 Exhaust Manifold Mounting...
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Sierra Marine
Sierra Timing Chain Gasket Set - Mercruiser - S18-1261
Sierra Timing Chain Gasket Set - Mercruiser - S18-1261 Contains: Sierra CodeDescription S18-0905 Oil Drain Screw Gasket S18-1233 Forward Crankshaft Seal S18-1234 Rear Crankshaft Seals S18-0903 Water Pump Mounting...
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Sierra Marine
Sierra Valve Grind Gasket Set - Mercruiser - S18-1258
Sierra Valve Grind Gasket Set - Mercruiser - S18-1258. Contains: Sierra CodeDescription S18-3874 Head Gasket S18-0467 Carb Mounting Gasket S18-0463 Carb Mounting Gasket S18-0462 Carb Mounting Gasket NSS Intake Manifold...
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Sierra Marine
Sierra Head Gasket Set - Mercruiser - S18-1259
Sierra Head Gasket Set - Mercruiser - S18-1259 Contains: Sierra CodeDescription S18-3877 Head Gasket S18-0467 Carb Mounting Gasket S18-0463 Carb Mounting Gasket S18-0462 Carb Mounting Gasket S18-1231 Intake Manifold...
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Sierra Marine
Sierra Short Block Gasket Set - Mercruiser - S18-1265
Sierra Short Block Gasket Set - Mercruiser - S18-1265. Port Dip Stick Models ONLY Left Hand (Standard Rotation) Contains: Sierra CodeDescription S18-0153 Oil Pan Gasket S18-0905 Oil Drain Screw Gasket S18-0185 Oil Filter...
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.