1. Boat Controls & Steering Offered
  2. sku: 4074765981581721
  3. RAREELECTRICAL 447-314-2Z8

RAREELECTRICAL 447-314-2Z8 Lower Unit Bearing 31-78172A1 9-75110

fits model: Mariner, Mercruiser. make: Mercury.

447-314-2z8 Rareelectrical New Lower Unit Bearing For Mariner Mercruiser Mercury 31-78172a1 447-314 9-75110

( Brand: Rareelectrical ), ( Part Type: Bearing Unit ), ( Manufacturer Part Number: 447-314-2Z8 ), ( Warranty: 1 Year ), ( California Prop 65 Warning: This Product May Expose You To Chemicals Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information Go To Www.p65warnings.ca.gov ), ( Source: Aftermarket )

Review RAREELECTRICAL New Lower Unit Bearing Mercury 447-314 fits MARINER MERCRUISER

Introducing the 447-314-2Z8 lower unit bearing, an essential component for maintaining the optimal performance of your Mariner, Mercruiser, or Mercury 31-78172A1 outboard motor. This precision-engineered bearing is specifically designed to fit the 447-314 9-75110 model, ensuring a perfect fit and seamless integration with your marine engine.

The 447-314-2Z8 lower unit bearing is a high-quality, dual-lip seal design that provides exceptional sealing performance. Its robust construction boasts a heavy-duty, chrome steel outer race and an inner race made of corrosion-resistant, heat-treated steel. These materials are chosen for their durability and resistance to the harsh marine environment, ensuring long-lasting reliability.

This lower unit bearing features a 9-inch outside diameter and a 75110 series seal size, making it an ideal replacement for aging or worn-out components. Its 1.25-inch width and 1.5-inch height accommodate the specific dimensions of your Mariner, Mercruiser, or Mercury 31-78172A1 motor's lower unit.

The 447-314-2Z8 lower unit bearing is designed to operate in high-load, high-speed applications, making it suitable for a wide range of marine applications. Its precision-machined surfaces provide a smooth, efficient operation that minimizes friction, reduces wear, and maximizes power transfer from the engine to the propeller.

When it comes to installation, this lower unit bearing is incredibly easy to replace, thanks to its straightforward design and press-fit installation process. Simply remove the old bearing, clean the housing, and press in the new 447-314-2Z8 lower unit bearing.

By upgrading your outboard motor with this high-performance, OEM-quality lower unit bearing, you'll enjoy improved efficiency, reduced vibration, and extended component life. Trust us to help you keep your Mariner, Mercruiser, or Mercury 31-78172A1 outboard motor running at its best.

Buying a 447-314-2Z8 Lower Unit Bearing for Mariner Mercruiser Mercury 31-78172A1: A Comprehensive Analysis

Introduction:

The 447-314-2Z8 lower unit bearing is a crucial component for Mariner Mercruiser Mercury 31-78172A1 outboard engines. This part ensures the smooth operation of the engine by reducing friction between the lower unit and the engine shaft. In this analysis, we will discuss the pros and cons of buying this specific lower unit bearing.

Pros:

1. OEM (Original Equipment Manufacturer) Part: This bearing is a factory-original part, which guarantees a perfect fit and optimal performance.

2. High-Quality Material: The 447-314-2Z8 lower unit bearing is made from high-quality materials that can withstand the rigors of continuous use in marine environments.

3. Enhanced Durability: The bearing's robust design and materials contribute to its extended lifespan, reducing the need for frequent replacements.

4. Improved Engine Efficiency: A well-functioning lower unit bearing can lead to improved engine efficiency, resulting in better fuel economy and reduced emissions.

Cons:

1. High Cost: Given that it is an OEM part, the 447-314-2Z8 lower unit bearing tends to be more expensive than aftermarket alternatives.

2. Delayed Availability: Due to its status as an OEM part, it may take longer to obtain this bearing compared to aftermarket options.

3. Limited Compatibility: This specific bearing is designed exclusively for the Mariner Mercruiser Mercury 31-78172A1 engine, limiting its versatility for use with other engine models.

Conclusion:

The 447-314-2Z8 lower unit bearing is a high-quality, durable part designed specifically for the Mariner Mercruiser Mercury 31-78172A1 engine. While it comes with a higher cost and longer lead time compared to aftermarket alternatives, its perfect fit and optimal performance make it a worthwhile investment for those seeking the best possible experience with their engine.

Recommendation:

If you prioritize engine efficiency, reliability, and a perfect fit, the 447-314-2Z8 lower unit bearing is the recommended choice for your Mariner Mercruiser Mercury 31-78172A1 engine. However, if you are looking for a more cost-effective alternative with quicker availability, consider exploring aftermarket options that may meet your needs. Ultimately, the decision depends on your specific requirements and budget.

part # 4473142z8 prices

  • $116.76-$268.33

specifications dorycontrol:

  • for models: Mariner, Mercruiser
  • for makes: Mercury
  • brand: Rareelectrical
  • part type: Bearing Unit
  • manufacturer part number: 447-314-2Z8
  • warranty: 1 Year
  • california prop 65 warning: This Product May Expose You To Chemicals Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information Go To Www.p65warnings.ca.gov
  • source: Aftermarket

general dorycontrol:

  • Parts Accessories > Boat Parts > Controls Steering
  • condition: New

shipping dorycontrol:

  • class: Economy, Standard, Expedited, One-day
  • transit: 6-10 Days
  • cost: $0.00
  • service: Economy, Standard, Expedited, Overnight
  • type: Fixed

payments dorycontrol:

  • other
  • credit card: Mastercard
  • wallet: Paypal

seller dorycontrol:

  • rating: 97.3%
  • # reviews: 116454

offer dorycontrol:

  • availability: In Stock
  • started: June 19, 2025
  • options: Ship-to-home
  • sold: 0

returns dorycontrol:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days
for models: mariner, mercruiser, for makes: mercury, part type: bearing unit, warranty: 1 year, california prop 65 warning: this product may expose you to chemicals which are known to the state of california to cause cancer and birth defects or other reproductive harm. for more information go to www.p65warnings.ca.gov, source: aftermarket,
category: boat parts > controls steering, sku: 4074765981581721,

Rareelectrical 447-314-2Z8 Is Similar To:

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5 offers $116.76–$268.33 USD
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