-
Sierra Marine
Sierra Water Pump Kit - Mercruiser - S18-3147
Sierra Water Pump Kit - Mercruiser - S18-3147. Replaces: 817275T4, 817275K05 For: Gen II-Lower s/n D469859 and Up For same kit without upper housing, order S18-3214 Part Number SRA-S18-3147
-
Sierra Marine
Sierra Water Pump Kit - Mercruiser - S18-3150
Sierra Water Pump Kit - Mercruiser - S18-3150. Replaces: 46-807151A14, 46-807151A7 For: Bravo Part Number SRA-S18-3150
-
Sierra Marine
Sierra Sea Water Pump, Brass - Mercruiser - S18-3160-1
Sierra Sea Water Pump, Brass - Mercruiser - S18-3160-1. Replaces: 46-862914A13 Uses impeller S18-3016-1 Part Number SRA-S18-3160-1
-
Sierra Marine
Sierra Water Pump - Mercruiser - S18-3593
Sierra Water Pump - Mercruiser - S18-3593. Replaces: 33957, 37369, 52353, 65142, 65142A1, 814755, 880817, 884727, F2774666, FI1100785, FI1101079 Late Model 4 cyl GM engines requiring hose fitting, GM Inline (4 & 6 Cyl.) Part...
-
Sierra Marine
Sierra Circulating Pump - Mercruiser - S18-3599-2
Sierra Circulating Pump - Mercruiser - S18-3599-2. Replaces: 60658, 811841, 850399, 8503991, 17437, 878341, 850399002, 54793, 52226, 37951, 35341, FI1101292, FI1101208, FI1100742 For: GM V-6 & small block V-8 engines Part...
-
Sierra Marine
Sierra Trim Cylinder Repair Kit - Mercruiser - S18-2429
Sierra Trim Cylinder Repair Kit - Mercruiser - S18-2429. Replaces: 87399A3 For: ALPHA I GEN II Part Number SRA-S18-2429
-
Sierra Marine
Sierra Trim Cylinder Repair Kit - Mercruiser - S18-2428
Sierra Trim Cylinder Repair Kit - Mercruiser - S18-2428. Replaces: 87399A2, 87399A1 For: R/MR/ALPHA I, BRAVO Part Number SRA-S18-2428
-
Sierra Marine
Sierra Power Trim Bushing - Mercruiser - S18-2701
Sierra Power Trim Bushing - Mercruiser - S18-2701. Replaces: 23-89574, 23-61290, 23-45736 Fits: 120/260 Drive Units (S/N 6225276 & Down) Package of 8 Part Number SRA-S18-2701
-
Sierra Marine
Sierra Power Trim Bushing - Mercruiser - S18-2702-1
Sierra Power Trim Bushing - Mercruiser - S18-2702-1. Replaces: 23-99291, 23-99291T Fits: 120/260 Drive Units (S/N 6225277 & UP) Package of 8 Part Number SRA-S18-2702-1
-
Sierra Marine
Sierra Pivot Pin End Cap - Mercruiser - S18-2466-9
Sierra Pivot Pin End Cap - Mercruiser - S18-2466-9. Replaces: 19-815951 For: Alpha One Gen II (1991-02) Serial No. OD469859 and up Part Number SRA-S18-2466-9
-
Sierra Marine
Sierra Trim Cylinder Anchor Pin Kit - Mercruiser - S18-2462
Sierra Trim Cylinder Anchor Pin Kit - Mercruiser - S18-2462. Replaces: 17-14873A1, 17-85056 For: R/MR/Alpha One (1983-90) Serial No. 6225577 and up (Front) Part Number SRA-S18-2462
-
Sierra Marine
Sierra Pivot Pins - Mercruiser
Used on 120, 120-260, 140,165, 225S, 233, 250, 470, 888, 898/228 Use S18-2701 Bushing S18-2151: 7 1/2” (Front) S18-2152: 10 1/2”(Rear) Part...
-
Sierra Marine
Sierra Trim Cylinder Pivot Pin - Mercruiser - S18-2393
Sierra Trim Cylinder Pivot Pin - Mercruiser - S18-2393. Replaces: 7-14873 3/8” - 24 thread For: Trim cylinder front R/MR/Alpha Use: S18-2702-1 Bushing Part Number SRA-S18-2393
-
Sierra Marine
Sierra Front and Rear Anchor Pin Kit - Mercruiser - S18-2464
Sierra Front and Rear Anchor Pin Kit - Mercruiser - S18-2464. Replaces: 17-815953T1, 56-864641A24, 56-18541A75 For: All Alpha One Gen II Part Number SRA-S18-2464
-
Sierra Marine
Sierra Trim Cylinder Pivot Pin - Mercruiser - S18-2394
Sierra Trim Cylinder Pivot Pin - Mercruiser - S18-2394. Replaces: 7-14873 3/8” - 24 thread For: Trim cylinder front R/MR/Alpha Use: S18-2702-1 Bushing Part Number SRA-S18-2394
-
Sierra Marine
Sierra Trim Cylinder Pivot Pin - Mercruiser - S18-2395
Sierra Trim Cylinder Pivot Pin - Mercruiser - S18-2395. Replaces: 17-815953, 17-815953A1 For: Trim cylinder front & rear Gen II Part Number SRA-S18-2395
-
Sierra Marine
Sierra Trim Cylinder Pivot Pin - Mercruiser - S18-2396
Sierra Trim Cylinder Pivot Pin - Mercruiser - S18-2396. 9 1/4” overall length • 7 1/2” shaft length Replaces: 17-44166 For: Rear Bravo Part Number SRA-S18-2396
-
Sierra Marine
Sierra Trim Sender/Limit - Mercruiser
Sierra Trim Sender/Limit - Mercruiser. Replaces: 805320A03, 805320A1, 96863A15, 88678A5, 88678A4, 63115A12, 17693A2 Fits: MC-I, R, MR, Alpha, Alpha Gen II, Bravo drives Part Number SRA-S18-7633
-
Sierra Marine
Sierra Drain Plug - Mercruiser
Sierra Drain Plug - Mercruiser. Replaces: 10-79953A2, 10-79953, 10-79953Q04, 10-28634, 10-28634A1, 10-20259, 816610A1, 816610A2, F40109, 10-F50109 For: #1/R/MR/Alpha/Alpha I Gen II Both Upper And Lower Units Part...
-
Sierra Marine
Sierra Drain Screw Gasket - Mercruiser - Pack of 5
Sierra Drain Screw Gasket - Mercruiser - Pack of 5. Replaces: 26-830749 For: All Verado Part Number SRA-S18-2430
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.