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Sierra Marine
Sierra Manifold - Mercruiser - S18-1953-2
Sierra Manifold - Mercruiser - S18-1953-2. Port & Starboard. Supplied with Mounting Package Replaces: Mercruiser 87114A19, 86024A10, 860246A15, 860246A3, 860246A7, 860246A9, 860336A2, 860337A2, 87114A19, 87114A30 Marine Power 0994-100, Barr...
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Sierra Marine
Sierra V6 Dry Joint Exhaust Manifold - Mercruiser - S18-1842
Sierra V6 Dry Joint Exhaust Manifold - Mercruiser - S18-1842. Replaces: 864612T01 Fits: 4.3L Alpha/Bravo (2002 and Newer without Engine Catalyst) Use with: Dry Joint Elbow Gaskets: S18-0720, S18-0721 or S18-0722 Part...
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Sierra Marine
Sierra Exhaust Manifold (Dry Joint) - Mercruiser - S18-1843
Sierra Exhaust Manifold (Dry Joint) - Mercruiser - S18-1843. Replaces: 865735A02, 865049T01, 864308T01 Fits: 305, 350, 377, 5.0L, 5.7L, 6.2L(2002 and Newer) Use with: Manifold Gasket: S18-2949 Elbow Gaskets: S18-0720, S18-0721 or S18-0722 Elbow:...
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Sierra Marine
Sierra Elbow - Mercruiser - S18-1972
Sierra Elbow - Mercruiser - S18-1972. Replaces: 76325A2, 12076A2 Barr MC-20-76325 Fits: Most late Model 120, 140 HP Mercruiser applications Use with: Manifold: S18-1955-1, S18-1954-1, S18-1956-3, S18-1901 Elbow Gasket: S18-2833 Mounting...
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Sierra Marine
Sierra Elbow - Mercruiser - S18-1976-2
Sierra Elbow - Mercruiser - S18-1976-2. Replaces: Mercruiser 44354A3, 44354A9, 44354A10, 44354A13, 807914A1, 807988A2, 807988A03 Marine Power 0992-400, Barr MC-20-44354 Fits: Most Mercruiser V-6 & V-8 applications 7° (4” O.D. Riser)...
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Sierra Marine
Sierra Elbow - Mercruiser - S18-1978
Sierra Elbow - Mercruiser - S18-1978 Replaces: 76771A3, A2, 60427A2, 53779A2, 53779A1 Barr MC-20-76771 V-8 Inboard Applications Only Use with: Manifold: S18-1950-1, S18-1951-1, S18-1958-1, S18-1962-1 Elbow Gasket: S18-2833 Mounting Kit:...
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Sierra Marine
Sierra Drain Plug - Mercruiser - S18-4226
Sierra Drain Plug - Mercruiser - S18-4226. Replaces: 22-806608A1, 22-806608A02 Part Number SRA-S18-4226
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Sierra Marine
Sierra Drain Elbow Assembly - Mercruiser - S18-4224
Sierra Drain Elbow Assembly - Mercruiser - S18-4224. Replaces: 22-806926A1, 22-862210A01 3/4” NPT Part Number SRA-S18-4224
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Sierra Marine
Sierra Outdrive Gasket Set - Mercruiser - S18-2614
Sierra Outdrive Gasket Set - Mercruiser - S18-2614. 1967-1982 Replaces: 27-64818A1, 27-64818T4, 27-64818Q4, 27-64818A20, 27-64818A4, 27-64818, 27-45821 Contains: Sierra CodeDescriptionO.E #Qty S18-2820 Drive Shaft Housing to Bell Housing...
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Sierra Marine
Sierra Drain Elbow - Mercruiser
Sierra Drain Elbow - Mercruiser. Replaces: 22-806926, 22-862210 Part Number SRA-S18-4227
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Sierra Marine
Sierra Outdrive Gasket Set - Mercruiser - S18-2619-1
Sierra Outdrive Gasket Set - Mercruiser - S18-2619-1. Old Style Replaces: 27-64818A3, 27-94996Q2, 27-94996T2, 27-94996, 27-94996A1, 27-94996A2, 27-94996A20, 27-64818A2, 27-64818A3 For: R, MR, Alpha I, Alpha Gen II (1983-Newer) Contains: Sierra...
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Sierra Marine
Sierra Outdrive Gasket Set - Mercruiser - S18-2615
Sierra Outdrive Gasket Set - Mercruiser - S18-2615. (Bravo Unit) Replaces: 16755, 16755A1, 16755Q1, 16755T1 For: All Bravo Contains: Sierra CodeDescriptionO.E...
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Sierra Marine
Sierra Lower Shift Cable Kit - Mercruiser - S18-2603
Sierra Lower Shift Cable Kit - Mercruiser - S18-2603. Replaces: 19543T1, 19543T2, 865436A03 ALPHA I GENERATION II Contains: Sierra CodeDescriptionO.E #Qty S18-2619-1 Outdrive Gasket Set 27-94996A1 1 S18-2753-2 Shift Cable...
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Sierra Marine
Sierra Lower Shift Cable Kit - Mercruiser - S18-2604
Sierra Lower Shift Cable Kit - Mercruiser - S18-2604. Replaces: 815471T1 BRAVO Contains: BLA Code Description O.E # Qty S18-2145 Bravo Shift Cable 815471A3 1 S18-2149 Shift Cable End...
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Sierra Marine
Sierra Shift Cable - Mercruiser - S18-2190
Sierra Shift Cable - Mercruiser - S18-2190. Replaces: 19543A2, 19543A4, 19543A8, 19543A10, 41951A1, 66065A1, 66069A2, 73679A2, 865436A02 Mercruiser 1 drives S/N 6225577 & UP For AFT installation into bell housing. For use in applications using...
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Sierra Marine
Sierra Shift Cable Slide & Screw - Mercruiser - S18-2162
Sierra Shift Cable Slide & Screw - Mercruiser - S18-2162. Replaces: 33981, 33981T, 33981T1, 8507521, 8507522 Part Number SRA-S18-2162
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Sierra Marine
Sierra Drive Bellows Kit - Mercruiser - S18-2744
Sierra Drive Bellows Kit - Mercruiser - S18-2744. Replaces: 875826, 876294 (with ridge) AQ200, 250, 270, 270T, 275, 280, 280T, PT, 290 DP UNIT: 280, 290 Part Number SRA-S18-2744
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Sierra Marine
Sierra U-Joint Bellows - Mercruiser - S18-2751
Sierra U-Joint Bellows - Mercruiser - S18-2751. All #1 units with ridge (S/N 3469428 & UP) Replaces: 60932A1, 60932A4 (Includes S18-710-72-2 Clamp) Part Number SRA-S18-2751
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Sierra Marine
Sierra U-Joint Bellows - Mercruiser - S18-2747
Sierra U-Joint Bellows - Mercruiser - S18-2747. Alpha 1, Gen II Replaces: 816431A1 Part Number SRA-S18-2747
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Sierra Marine
Sierra U-Joint Bellows - Mercruiser - S18-2756
Sierra U-Joint Bellows - Mercruiser - S18-2756. Replaces: 86840A3, 86840A05, 8M0062406 Fits: All Bravo and Blackhawk models Part Number SRA-S18-2756
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.