SIERRA 18-79987 Sea Transom Plate Cast Drive Unit

( Brand: Sierra ), ( Part Type: Aluminum Plate Drive Unit ), ( Material: Aluminum ), ( Manufacturer Part Number: 18-79987 )

Review SIERRA Sea Transom Plate Cast Aluminum Drive Unit fits STAR

The Sierra 18-79987 Sea Star Transom Plate Cast Drive Unit is a high-performance, reliable marine propulsion system designed for small to mid-sized boats. This unit is a part of the Sea Star Solutions product line, known for its exceptional quality and durability.

The transom plate cast drive unit is engineered with a robust design, featuring a heavy-duty cast aluminum housing that provides excellent protection against corrosion and impact damage. The unit's compact size ensures a perfect fit for most transom applications, making it an excellent choice for a wide range of boats.

At the heart of this drive unit is a high-torque, one-piece cast iron geartrain that delivers optimal power transmission and efficiency. The unit's unique design allows for easy installation, with a bolt-on transom plate that requires no welding or drilling. The drive unit also comes with a pre-lubricated, maintenance-free, and self-venting stuffing box, ensuring a leak-free operation.

The Sierra 18-79987 Sea Star Transom Plate Cast Drive Unit is compatible with most outboard motors and comes with a range of optional features, including a choice of propeller sizes and materials to suit different applications. The unit's robust design, combined with its ease of installation and maintenance, makes it an excellent choice for boat owners seeking a reliable and efficient propulsion system.

In summary, the Sierra 18-79987 Sea Star Transom Plate Cast Drive Unit is a high-performance, durable, and easy-to-install marine propulsion system designed for small to mid-sized boats. Its robust design, compact size, and compatibility with a wide range of outboard motors make it an excellent choice for boat owners seeking a reliable and efficient solution for their propulsion needs.

Pros and Cons of buying a Sierra 18-79987 Sea Star Transom Saildrive Unit

The Sierra 18-79987 Sea Star Transom Saildrive Unit is a popular choice among boat owners for its reliability, durability, and efficient power transmission. However, like any other machinery, it has its advantages and disadvantages. In this analysis, we will discuss both the pros and cons of investing in this saildrive unit.

1. Superior Performance: The Sea Star Transom Saildrive Unit offers smooth and efficient power transmission, resulting in improved boat performance. It allows for better maneuverability in tight spaces and makes sailing easier.

2. Dependability: Known for their robustness, Sea Star Transom Saildrive Units have a reputation for durability and long-lasting performance. They are designed to withstand the harsh marine environment.

3. Versatility: This unit can be used for various boat applications, including sailboats and powerboats, making it a versatile choice for boat owners.

4. Improved Fuel Efficiency: The saildrive unit can help improve your boat's overall fuel efficiency by reducing drag and optimizing engine RPM.

1. Higher Initial Cost: Compared to conventional outboard engines or sterndrives, saildrive units like the Sierra 18-79987 may have a higher initial investment.

2. Complexity: The installation and maintenance of a saildrive unit are more intricate than that of a traditional outboard engine. It may require specialized tools and knowledge.

3. Propeller Damage: In shallow waters, the saildrive unit's propeller can be more susceptible to damage due to ground contact.

4. Limited Service Availability: In some remote areas, finding professional assistance for repair or maintenance may be challenging.

The Sierra 18-79987 Sea Star Transom Saildrive Unit offers several advantages, including improved boat performance, dependability, versatility, and fuel efficiency. However, it also comes with some disadvantages, such as a higher initial cost, complexity, propeller damage risk, and limited service availability.

Upon balancing the pros and cons, it appears that the benefits of the Sea Star Transom Saildrive Unit outweigh its drawbacks. If you're looking for a reliable, efficient, and versatile power transmission solution for your boat, the Sierra 18-79987 Sea Star Transom Saildrive Unit could be an excellent investment. We recommend carefully considering your boat's specific requirements and budget before making a purchase.

part # 1879987 price

• $99.00

specifications scowware:

• for models: Star
• brand: Sierra
• part type: Aluminum Plate Drive Unit
• material: Aluminum
• manufacturer part number: 18-79987

shipping scowware:

• type: Fixed
• cost: $15.00
• class: Standard
• carrier: USPS
• transit: 4-7 Days
• service: USPS Ground Advantage

payments scowware:

• credit card: Diners-club
• other
• wallet: Paypal

returns scowware:

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

seller scowware:

• rating: 100.0%
• # reviews: 1348

offer scowware:

• quantity: 1
• best offers: True
• options: Ship-to-home
• started: June 4, 2026
• sold: 0
• availability: In Stock

general scowware:

• Parts Accessories > Boat Parts > Deck Cabin Hardware
• condition: New other see details

Sierra 18-79987 Is Similar To:

• Sierra 030999775757 18-2148 Marine Power Trim Cylinder Housing For Mercruiser Stern Drive (40.8% similar) $35.00–$75.00. (January 26th, 2025)