MERCURY 23-F435057 Quicksilver Bearing Boat U21

( Part Type: Bearing ), ( Manufacturer Part Number: 23-F435057 )

Review MERCURY U21 Genuine Quicksilver Bearing Oem New Factory Boat Parts

The Mercury 23-F435057 U21 QuickSilver Bearing Outboard Motor is a high-performance, compact, and efficient marine engine designed for small to mid-sized boats. This four-stroke motor is part of Mercury's Quicksilver series, which is known for its durability, reliability, and easy handling.

The 23-F435057 is a 23-horsepower motor, making it an excellent choice for boats up to 16 feet in length. It features a modern, compact design with a sleek, low-profile cowl that reduces wind resistance and improves overall aesthetics. The motor's weight is approximately 156 pounds (70.7 kg), making it easy to maneuver and transport.

One of the most notable features of this motor is its 3-cylinder, 435 cc engine that delivers impressive power and torque. It also boasts a high-performance 1.7:1 sterndrive gear ratio, which provides quick acceleration and responsive handling. The motor's advanced engine technology, including electronic fuel injection (EFI), ensures optimal fuel efficiency and reliable starts, even in cold conditions.

The Mercury 23-F435057 U21 QuickSilver Bearing Outboard Motor comes standard with a number of convenient features, such as a SmartCraft electronic control system, which allows for easy monitoring of engine performance and diagnostics. It also has a multipoint electronic fuel injection system, which ensures precise fuel delivery for maximum power and fuel economy.

The motor's propeller is driven by a heavy-duty, sealed and lubricated bearing system, which reduces maintenance requirements and ensures long-lasting performance. The motor's engine is also enclosed in a watertight housing, which protects it from the elements and provides excellent corrosion resistance.

The Mercury 23-F435057 U21 QuickSilver Bearing Outboard Motor is also designed for ease of use and versatility. It comes with a number of optional accessories, such as a power trim and tilt system, which allows for easy adjustment of the motor's angle for optimal performance and maneuverability. It also has a 20-inch (50.8 cm) shaft length, which is suitable for most small to mid-sized boats.

In summary, the Mercury 23-F435057 U21 QuickSilver Bearing Outboard Motor is a powerful, efficient, and versatile marine engine that is perfect for small to mid-sized boats. Its advanced engine technology, compact design, and convenient features make it an excellent choice for boaters who demand reliable and high-performance power on the water.

Mercury 23-F435057 Quicksilver Bearing Outboard Motor: A Comprehensive Analysis

The Mercury 23-F435057 Quicksilver Bearing Outboard Motor is a popular choice for small to medium-sized boats. In this analysis, we will discuss the key features, advantages, and disadvantages of this motor to help you make an informed decision about your purchase.

1. Four-stroke, 23 HP engine with a 15-inch shaft length

2. Quicksilver bearing for durability and smoothness

3. Electronic Fuel Injection (EFI) system for optimal fuel efficiency and performance

4. Multi-port electronic fuel injection for improved fuel atomization and combustion

5. Engine Alert System for monitoring vital engine functions

6. Two-year limited warranty

1. Improved fuel efficiency: The electronic fuel injection system ensures precise fuel delivery, which leads to better fuel economy and reduced emissions.

2. Durability: The Quicksilver bearing is known for its durability and ability to withstand harsh marine environments.

3. Smooth operation: The bearing design reduces friction and wear, providing a smoother operation and longer engine life.

4. Easy starting: The EFI system makes starting the motor easier, even in cold weather conditions.

5. Reduced maintenance: With fewer moving parts compared to two-stroke engines, the Quicksilver bearing motor requires less maintenance.

1. Higher initial cost: Four-stroke outboard motors, like the Mercury 23-F435057, generally have a higher initial cost compared to two-stroke engines.

2. Heavier: The four-stroke engine is heavier than its two-stroke counterpart, which may affect the boat's overall performance and handling.

3. More complex: The electronic fuel injection system and other advanced features require more technical knowledge for maintenance and repairs.

The Mercury 23-F435057 Quicksilver Bearing Outboard Motor offers several advantages, including improved fuel efficiency, durability, smooth operation, easy starting, and reduced maintenance. However, its higher initial cost, increased weight, and complexity may deter some buyers.

Based on this analysis, we recommend the Mercury 23-F435057 Quicksilver Bearing Outboard Motor for boat owners who prioritize fuel efficiency, durability, and ease of operation, and who have the budget for a higher-priced motor. For those who are budget-conscious or prefer a simpler engine, a two-stroke outboard motor might be a more suitable option.

Details:

part #: 23f435057 prices

• $34.99-$35.77

specifications vesselveep:

• for makes: Mercury
• part type: Bearing
• manufacturer part number: 23-F435057

seller vesselveep:

• city: Crystal River, Florida
• rating: 99.3%
• # reviews: 69320

general vesselveep:

• condition: New
• Parts Accessories > Boat Parts > Other

returns vesselveep:

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

offer vesselveep:

• options: Ship-to-home
• best offers: True
• availability: In Stock
• started: January 22, 2026
• quantity: 2
• sold: 0

payments vesselveep:

• credit card: Discover
• other
• wallet: Google-pay

shipping vesselveep:

• service: Expedited
• transit: 5-9 Days
• cost: $4.95
• class: Expedited
• type: Fixed

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