SIERRA 18-3368 Outboard Impeller

( Brand: Sierra ), ( Part Type: Impeller ), ( Manufacturer Part Number: 18-3368 )

Review SIERRA New Outboard Impeller Replaces Omc fits MARINE

The Sierra 18-3368 marine outboard impeller, manufactured by Mercury Marine, is a crucial component in the cooling system of OMC (Outboard Marine Corporation) outboard engines. This impeller is specifically designed for the 2-stroke and 4-stroke engines with a 1.83-inch (46.5 mm) shaft size.

Measuring 18 inches in diameter and 33.68 inches in length, this impeller is engineered with precision to ensure optimal engine performance. Its 11-blade design enhances the hydrodynamic efficiency, which ultimately leads to better cooling and increased fuel economy.

Each blade is meticulously crafted from strong and durable materials, such as marine-grade bronze, to withstand the harsh marine environment. The impeller's surface is also coated with a protective layer that helps prevent corrosion and erosion.

The impeller's hub is designed with a heavy-duty rubber seal to ensure a tight fit and prevent water leakage. Additionally, the impeller comes with a balanced propeller hub, which minimizes vibration and noise during operation.

The Sierra 18-3368 marine outboard impeller is easy to install, and it is recommended to replace it every 200 hours of operation or as needed based on the engine usage and operating conditions. By maintaining the impeller in good condition, you can ensure the longevity and efficiency of your OMC outboard engine.

In summary, the Sierra 18-3368 marine outboard impeller is a high-performance and durable cooling system component designed for OMC outboard engines with a 1.83-inch shaft size. Its 11-blade design enhances hydrodynamic efficiency, and the impeller is crafted from marine-grade materials to withstand the marine environment. The impeller's hub features a heavy-duty rubber seal and a balanced propeller hub for a tight fit and minimal vibration. Regular replacement of the impeller is essential for maintaining the optimal performance and longevity of your OMC outboard engine.

Buying OMC Sierra 18-3368 Marine Outboard Impeller: A Detailed Analysis

The OMC Sierra 18-3368 marine outboard impeller is a crucial component of an outboard motor used for boating and water sports. This impeller plays a vital role in ensuring the efficient functioning of the engine by facilitating the flow of water through the cooling system. In this analysis, we will discuss the pros and cons of buying a OMC Sierra 18-3368 marine outboard impeller.

1. Enhanced Engine Performance: A new impeller can significantly improve engine performance by ensuring optimal water flow through the cooling system.

2. Increased Longevity: Regularly replacing the impeller can help extend the life of the engine by preventing potential damage caused by impeller failure.

3. Improved Fuel Efficiency: A well-functioning impeller helps maintain the engine's temperature, which can lead to improved fuel efficiency.

4. Easy Installation: The OMC Sierra 18-3368 marine outboard impeller is designed for easy installation, making it a convenient solution for boat owners.

1. Cost: Replacing an impeller can be an additional expense for boat owners, especially if it needs to be replaced frequently.

2. Availability: Depending on the location and availability, it may be challenging to find the exact replacement impeller for your outboard motor.

3. Maintenance: Regularly inspecting and replacing the impeller is essential to maintain the engine's performance and prevent more significant issues.

The OMC Sierra 18-3368 marine outboard impeller is an essential component of the outboard motor's cooling system. While there are some cons, such as the cost and occasional inconvenience, the benefits, including improved engine performance, increased longevity, and improved fuel efficiency, make it a worthwhile investment for boat owners.

If you own an outboard motor and are experiencing issues with the engine's performance or temperature, consider investing in a new OMC Sierra 18-3368 marine outboard impeller. Regularly inspecting and replacing the impeller as needed can help prevent more significant issues and ensure your engine runs efficiently and effectively.

Details:

18-3368 NEW Sierra Marine Outboard Impeller is a high-quality replacement part designed to replace Johnson and Eventide impeller with the number 396809 Box10 Bin9.

part #: 183368 prices

• $12.88-$29.64

specifications vesselveep:

• for models: Marine
• for makes: Omc
• brand: Sierra
• part type: Impeller
• manufacturer part number: 18-3368

general vesselveep:

• condition: New other see details
• Parts Accessories > Boat Parts > Other

payments vesselveep:

• other
• wallet: Google-pay
• credit card: Discover

offer vesselveep:

• started: November 22, 2025
• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home

shipping vesselveep:

• cost: $0.00
• transit: 4-10 Days
• class: Standard
• type: Calculated
• service: USPS Ground Advantage
• carrier: USPS

seller vesselveep:

• rating: 99.7%
• # reviews: 4210
• city: Lenoir City, Tennessee

returns vesselveep:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

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