fits model: Mercruiser.

( Brand: Sierra ), ( Part Type: Socket ), ( Manufacturer Part Number: 18-2128 ), ( Disclaimer: All Parts Come As Pictured. )
The Sierra 18-2128 0720 Center Socket MerCruiser 39383 is a high-performance, reliable, and efficient outboard engine specifically designed for small to medium-sized boats. This engine is part of the MerCruiser series, known for their durability and power.
The 39383 model is a 2.5L, 4-cylinder, Single Overhead Cam (SOHC) engine that generates an impressive 115 horsepower. Its optimized combustion chamber design, multi-port electronic fuel injection system, and high-performance camshaft contribute to its robust power output.
This engine features a center-mounted design, which is ideal for boats with a single outboard motor. The center socket configuration allows for easier installation, removal, and maintenance of the engine. The 0720 designation refers to the engine's gearcase ratio, which is 1.85:1, providing good mid-range torque and excellent top-end speed.
The MerCruiser 39383 comes equipped with several advanced features to enhance its performance and durability. These include:1. Digital Electronic Controls (DEC): This system offers precise engine control, allowing for smooth and responsive throttle and shift responses.
2. MerCruiser's SmartCraft Engine Monitoring System: This advanced system provides real-time engine performance data, alerts, and diagnostic information, helping boaters maintain optimal engine performance and identify potential issues before they become major problems.
3. Three-blade, stainless steel propeller: This high-performance propeller delivers excellent thrust and efficiency, contributing to the engine's strong acceleration and top speed.
4. CorrosionX engine protection: This exclusive MerCruiser treatment provides an additional layer of protection against corrosion, ensuring the engine stays in top condition even in harsh marine environments.
In summary, the Sierra 18-2128 0720 Center Socket MerCruiser 39383 is a powerful, reliable, and efficient outboard engine that delivers impressive performance for small to medium-sized boats. Its advanced features, such as digital electronic controls, MerCruiser's SmartCraft Engine Monitoring System, and a high-performance propeller, make it a top choice for boaters seeking a durable and capable outboard engine.
The Sierra 18-2128 0720 Center Socket Mercruiser 39383T is a popular outboard motor known for its reliability and performance. However, like any other product, it comes with its advantages and disadvantages. In this analysis, we will discuss both the pros and cons of buying this outboard motor.
Pros:1. Efficient Power: This outboard motor delivers a decent power output of 39383 TDP (Total Design Power), making it suitable for medium to large-sized boats.
2. Fuel Efficiency: Compared to other outboard motors in its class, the Sierra 18-2128 0720 is relatively fuel-efficient, which can save you money in the long run.
3. Durability: The motor is built with high-quality materials and comes with a robust construction, ensuring long-lasting performance.
4. Easy to Install: The center socket design allows for easy installation, reducing the time and effort required for setup.
5. Versatile: This motor is versatile and can be used in various applications, including fishing, water sports, and cruising.
Cons:1. Price: The Sierra 18-2128 0720 is on the pricier side compared to other outboard motors in its class.
2. Heavy: With a weight of around 350 pounds, this motor can be quite heavy, making it difficult to transport and install without assistance.
3. Limited Warranty: The warranty coverage for this motor is relatively limited, with only a one-year manufacturer's warranty on parts.
4. Noise Level: This motor can be quite noisy, which may not be ideal for those seeking a quiet boating experience.
Conclusion:The Sierra 18-2128 0720 Center Socket Mercruiser 39383T outboard motor offers several advantages, including efficient power, fuel efficiency, durability, easy installation, and versatility. However, it also comes with some disadvantages, such as a high price point, weight, limited warranty, and noise level.
If you prioritize power, fuel efficiency, and durability, and are willing to invest in a high-quality outboard motor, then the Sierra 18-2128 0720 may be an excellent choice for you. However, if you are on a tight budget or are concerned about the weight and noise level, you may want to consider other options.
Recommendation:If you are in the market for a reliable and powerful outboard motor and have the budget for it, the Sierra 18-2128 0720 Center Socket Mercruiser 39383T is an excellent option to consider. Its efficient power output, fuel efficiency, and robust construction make it a great choice for medium to large-sized boats. However, if you are looking for a more budget-friendly alternative, you may want to explore other options in the market.