fits make: Mercury. year: 2006–2020.

( Manufacturer Part Number: 1668-898103T74 ), ( Part Type: Hp Unit ), ( Country Of Manufacture: United States ), ( Surface Finish: Painted, Black ), ( Color: Black ), ( Donor Motor: Loose )
The Mercury 1668-898103t74 20 Lower Unit is a high-performance, 4-stroke outboard lower unit designed for boats with 2.5 to 3.5 horsepower engines. This Mercury product is a testament to Mercury's commitment to delivering reliable, efficient, and durable marine propulsion systems.
The 20-inch lower unit features a robust, yet lightweight construction made of high-strength materials such as aluminum and stainless steel. This design ensures optimal performance, minimizing drag and maximizing thrust, resulting in improved acceleration and top speed.
The Mercury 1668-898103t74 20 Lower Unit is equipped with a 15-inch, 3-blade stainless steel propeller. The propeller's design ensures efficient power transfer, providing superior maneuverability and control in different water conditions. The propeller is also reversible, allowing for easy boat docking and maneuvering in tight spaces.
The lower unit features Mercury's advanced gear case technology, which includes a durable, self-lubricating, and corrosion-resistant material. This design ensures smooth, quiet operation and long-lasting performance, even in harsh marine environments. The lower unit also includes a 1.75:1 gear ratio, providing optimal power delivery and performance.
The Mercury 1668-898103t74 20 Lower Unit is compatible with Mercury 2.5 to 3.5 horsepower 4-stroke engines and is designed for use with freshwater and saltwater applications. The lower unit is easy to install and maintain, ensuring hassle-free ownership and enjoyment of your boating experience.
In summary, the Mercury 1668-898103t74 20 Lower Unit is a high-performance, durable, and reliable propulsion system for small boats. Its robust construction, efficient propeller design, and advanced gear case technology provide optimal performance, maneuverability, and long-lasting durability, making it an excellent choice for boat owners seeking a reliable and efficient outboard lower unit.
Pros of buying a Mercury 1668-898103t74 2006 20 lower unit 2.5-3.5 hp 4-stroke:1. Reliability: Mercury is a well-known brand with a reputation for manufacturing high-quality marine engines. This lower unit is likely to be durable and reliable, providing long-lasting performance.
2. Power: With a 2.5-3.5 horsepower rating, this lower unit is suitable for a variety of small to medium-sized boats, offering sufficient power for general use.
3. Fuel efficiency: As a 4-stroke engine, the Mercury 1668-898103t74 is known for its fuel efficiency, reducing the cost of operation over time.
4. Ease of maintenance: 4-stroke engines are generally easier to maintain and service compared to 2-stroke engines, as they have fewer moving parts and require less frequent oil changes.
Cons of buying a Mercury 1668-898103t74 2006 20 lower unit 2.5-3.5 hp 4-stroke:1. Price: Mercury engines are often more expensive than other brands, and this lower unit may be no exception. The higher cost could be a disadvantage for budget-conscious buyers.
2. Availability: Depending on your location, finding replacement parts or getting professional service for this specific model may be more challenging compared to more common engines.
3. Weight: The Mercury 1668-898103t74 is likely to be heavier than similar engines from other brands, which could impact the overall weight and performance of your boat.
Conclusion:The Mercury 1668-898103t74 2006 20 lower unit 2.5-3.5 hp 4-stroke is a high-quality and reliable engine option for small to medium-sized boats. Its fuel efficiency, durability, and ease of maintenance are significant advantages. However, the higher price and potential availability issues may be drawbacks for some buyers. Ultimately, if you prioritize performance, reliability, and fuel efficiency, this lower unit could be a worthwhile investment for your boating needs.
Part Number898103T74. 2006 - 2.5 3.5 HP 4-Stroke. Bargain Bin parts.
Cowling Covers. The driveshaft splines are showing very light wear. The paint is a little banged up.
The oil was clean with no signs of heavy metal or water. Please be absolutely sure this is the correct one for your motor prior to purchasing. The prop shaft is straight. This unit did pressure check and has a new impeller installed, From the top of water pump to tip driveshaft, shaft measures approximately 18-7/8 long 11 splines.
Johnson and Eventide. Altman, IL 62411.