MERCURY 4921A1 Outboard Lower Unit Gearcase Housing Shaft 7.5HP 9.8HP

( Manufacturer Part Number: 4921A1 ), ( Part Type: 5hp Unit Housing Shaft ), ( Stroke: 2-stroke ), ( Country/region Of Manufacture: United States )

Review MERCURY 7.5hp 9.8hp Outboard Lower Unit Gearcase Housing Inch Shaft fits 110 1975–2020

The Mercury 4921a1 75/9.8hp Outboard Lower Unit Gearcase Housing with a 20-inch shaft is a high-performance component designed to enhance the power and efficiency of your marine engine. This lower unit gearcase housing is specifically engineered for Mercury 75hp and 9.8hp outboard engines, providing a reliable and durable foundation for your marine propulsion system.

The Mercury 4921a1 lower unit housing is made from robust materials, ensuring it can withstand the harsh marine environment. It features a robust and corrosion-resistant aluminum alloy construction, which not only enhances its durability but also reduces its weight, making it easier to maneuver your boat.

The 20-inch shaft on this lower unit gearcase is designed for optimal performance and versatility. It's long enough to provide excellent maneuverability and thrust, while also being compatible with a wide range of boat types and sizes. The stainless steel shaft is resistant to corrosion and wear, ensuring it retains its strength and stability over time.

The Mercury 4921a1 lower unit housing also features a reliable and efficient gear reduction system. The multi-stage gear system provides the necessary torque to power your boat effectively, while the high-quality bearings ensure smooth and quiet operation. The housing is also equipped with a reliable seal system, keeping water out and maintaining the integrity of the lower unit.

In addition, this lower unit housing is designed for easy installation and maintenance. It comes with a standard 1.75-inch x 15-thread prop shaft, which is widely used in the marine industry, making it compatible with a variety of propellers. The housing is also equipped with easily accessible oil fill and drain ports, making routine maintenance simple and hassle-free.

Overall, the Mercury 4921a1 75/9.8hp Outboard Lower Unit Gearcase Housing with a 20-inch shaft is a high-quality and reliable component that can significantly enhance the performance and longevity of your marine engine. Its robust construction, efficient gear reduction system, and easy maintenance features make it a great choice for boat owners looking for a reliable and durable lower unit housing.

1. Reliable Brand: Mercury is a well-known and trusted brand in the marine industry, known for its durability and performance.

2. Powerful: This lower unit is available in two horsepower options, 75hp and 9.8hp, providing enough power for various boating activities.

3. Versatile Shaft Length: With a 20-inch shaft, this lower unit is suitable for a wide range of boat sizes and types.

4. Easy Installation: The Mercury 4921a1 lower unit is designed for easy installation, making it a convenient choice for DIY installations or professional installations.

1. Price: Mercury products tend to be more expensive than some other brands, which could be a drawback for budget-conscious consumers.

2. Limited Availability: Due to its popularity, some retailers may have limited stock of this specific lower unit, which could lead to longer wait times for delivery or installation.

3. Maintenance: Like any other marine engine, the Mercury 4921a1 requires regular maintenance to ensure optimal performance and longevity.

In conclusion, the Mercury 4921a1 75/7.5hp 110/9.8hp outboard lower unit gearcase housing 20 shaft is a reliable and powerful option for boat owners who value performance and durability. However, its higher price and potential maintenance requirements should be considered before making a purchase. Ultimately, it's a recommended choice for those who prioritize quality and performance in their boating experience.

Details:

One Genuine Mercury complete lower unit gearcase assembly for parts because it failed pressure test. Taken from a Mercury 7.5hp model 75 outboard motor serial number range 3274633 - 3801457 with fit other 9.8hp motors check for your compatibility. Cleaned and inspected gears move freely shifts as it should oil drained no debris or moisture found fresh water used failed pressure test. This unit has the shorter shift shaft see pictures.

part #: 4921a1 prices

• $159.99-$200.00

specifications ouboaen:

• for models: 110
• for makes: Mercury
• for years: 1975-2020
• mpn: 4921a1
• part type: 5hp Unit Housing Shaft
• stroke: 2-stroke
• country/region of manufacture: United States

shipping ouboaen:

• type: Fixed
• transit: 4-7 Days
• cost: $29.99
• class: Standard
• service: Standard

seller ouboaen:

• city: East Northport, New York
• # reviews: 2172
• rating: 99.8%

general ouboaen:

• condition: For parts or not working
• Boat Parts > Outboard Engines Components > Complete Outboard Lower Units

offer ouboaen:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• best offers: True
• sold: 0
• started: September 26, 2024

payments ouboaen:

• credit card: Mastercard
• other
• wallet: Paypal

returns ouboaen:

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

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