fits year: 1991–1997.



( Brand: Mercruiser ), ( Part Type: Propeller Prop Shaft Unit ), ( Manufacturer Part Number: 44-66060-3 )
The Mercruiser 44-66060-3 Propeller Prop Shaft Lower Unit Gearcase, designed for use between 1991 and 1997, is an essential component for ensuring optimal performance and reliability of your marine propulsion system. This lower unit gearcase is engineered to mate with the Mercruiser drives, such as the Alpha One and Alpha One 260, and is specifically designed for applications requiring a 2.5-inch diameter propeller shaft.
The lower unit gearcase features a robust, one-piece, cast-aluminum construction, which provides exceptional strength and durability, even in the harshest marine environments. The unit's compact design allows for easy installation and maintenance, while its efficient gear ratio ensures smooth, quiet operation and optimal power transfer to the propeller.
The lower unit gearcase is equipped with a high-quality, corrosion-resistant, and heat-treated gear set, ensuring long-lasting performance and reliability. The unit also features a built-in, oil-filled, heat-exchanger cooler, which helps maintain optimal operating temperatures and prolong the life of the lower unit gearcase.
The Mercruiser 44-66060-3 Propeller Prop Shaft Lower Unit Gearcase comes with a heavy-duty, stainless-steel, 1718-series propeller shaft spline, providing a secure and reliable connection between the lower unit and the propeller. The unit is also equipped with a high-quality, water-lubricated, oil-filled, gear oil-sealed bearing assembly, which minimizes wear and tear and ensures smooth, quiet operation.
In summary, the Mercruiser 44-66060-3 Propeller Prop Shaft Lower Unit Gearcase is a high-quality, robust, and reliable component that is essential for ensuring optimal performance and reliability of your marine propulsion system. Its compact design, efficient gear ratio, and corrosion-resistant construction make it an excellent choice for applications requiring a 2.5-inch diameter propeller shaft.
Pros of buying Mercruiser 44-66060-3 Propeller Prop Shaft Gen Lower Unit Gearcase (91-97):1. Compatibility: This propeller prop shaft lower unit is designed for Mercruiser outboard engines between the years 1991 and 1997, ensuring a perfect fit for your boat.
2. Reliability: Mercruiser is a prominent brand known for manufacturing high-quality marine parts, which means this lower unit is likely to be durable and long-lasting.
3. Availability: Being a popular and widely-used part, it is relatively easy to find replacement parts for this lower unit if necessary.
4. Warranty: Depending on the seller, this product may come with a warranty, giving you peace of mind and protecting your investment.
Cons of buying Mercruiser 44-66060-3 Propeller Prop Shaft Gen Lower Unit Gearcase (91-97):1. Cost: Replacement parts like this lower unit can be expensive, especially if you need to pay for installation or shipping.
2. Technical Difficulty: Installing the lower unit may require specialized tools and technical knowledge, which could potentially lead to errors or damage if not handled properly.
3. Delivery Time: Depending on the seller, it may take some time for the lower unit to be delivered, potentially causing downtime for your boat.
Conclusion:The Mercruiser 44-66060-3 Propeller Prop Shaft Gen Lower Unit Gearcase (91-97) is a reliable and compatible choice for boats with Mercruiser outboard engines from 1991 to 1997. Although the cost and technical difficulty may be potential drawbacks, the benefits of buying from a reputable brand like Mercruiser and the ease of finding replacement parts offset these issues.
Recommendation:If you are in need of a lower unit for your Mercruiser outboard engine, I would recommend purchasing the Mercruiser 44-66060-3 Propeller Prop Shaft Gen Lower Unit Gearcase (91-97). Just be sure to consider the installation costs and potential downtime when budgeting for the replacement, and consider hiring a professional installer if you are unsure about the process.
Same As Sierra 18-2166 or GLM 11150. MerCruiser 44-66060-3 Propeller Prop Shaft Gen II One Lower Unit Gearcase 91-97: Item found in Early Drives 1991 1997 S/N 0D469859 Thru 0K999999 Also I model's 1970-1990. Used parts may have cosmetic issues scratches, missing paint, faded plastic, pitting, rust, minor dents dings, etc. The condition of this item is as described in the and visible picture. Some model's had 44-824110 which is a little bit different looking than this in the clutch dog area but functionally same.
The compatibility statements or suggestions in this listing is my best guess based on the quick research we did for item. 1998 newer Gen II used 44-850308 Propeller Shaft S/N 0L00040 Up. These are used parts.