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Mercury OEM Lower Units

Mercury OEM Lower Units

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859399t13 Mercury OEM

Advantages of OEM Mercury Lower Units

Boating is a fantastic way to explore the great outdoors, offering both thrills and relaxation on the water. To ensure your adventures are always enjoyable, having reliable equipment is key. The OEM unit is the best choice for those that value performance and durability but the OEM choice will, of course, cost more. Expert original equipment manufacturer, OEM, lower units are in stock and ready to ship today. Explore the advantages of Mercury Marine OEM  Lower Units below.
  • Built by your engine manufacturer
  • All parts are OEM
  • Fully compatible with your engine
  • Usually ships in 24 hours
  • Optional rebate when you return your old core
  • 1 year warranty covered by manufacturer

US Boatworks – Keeping you on the water  for over 40 years. Quality You Can Trust.

1623-859399T13V6 3.0 Liter, Long Shaft, 200, 225, 250 HP$2,995 -$200 rebate for return of good core = $2,795More Info
1623-859399T14V6 3.0 LITER XL$2,995 - $200 rebate for return of good core = $ 2,795More Info
1647-9148T84V6 2.0, 2.4 & 2.5 LITER LONG$2,995 -$200 rebate for return of good core = $ 2,795More Info
1647-9148T85V6 2.0, 2.4 & 2.5 LITER XL$2,995 -$200 rebate for return of good core = $ 2,795More Info

Why Choose Mercury OEM Lower Units?

When it comes to enhancing the performance and longevity of your Mercury Outboard, choosing the right lower unit is crucial. For Mercury Outboard owners, the choice is clear: Mercury OEM (Original Equipment Manufacturer) lower units stand out as the premier option, offering unmatched precision, durability, and compatibility. Here are some of the highlights why Mercury OEM lower units should be preferred.

Unparalleled Engineering and Quality: Mercury OEM lower units are the epitome of engineering excellence, designed and manufactured to meet the exacting standards of Mercury Marine. Known for their relentless pursuit of innovation and quality, Mercury ensures that each OEM lower unit delivers:

Precision Craftsmanship: Every Mercury OEM lower unit is built with meticulous attention to detail, ensuring flawless performance and integration with your engine. The precision engineering behind these units contributes to their superior efficiency and power output.

Premium Materials: Utilizing only the highest quality materials, Mercury OEM lower units are constructed to withstand the harsh marine environment, offering enhanced durability and a longer lifespan than aftermarket alternatives.

Guaranteed Compatibility: With Mercury OEM lower units, there’s no guesswork involved. Each unit is designed to match specific Mercury engine models, ensuring a perfect fit and seamless functionality.

Reliability You Can Trust: Mercury’s rigorous testing standards mean each OEM lower unit is thoroughly vetted for performance and durability, giving you peace of mind on the water.

Warranty Protection: Mercury stands behind their OEM lower units with comprehensive 1 year warranty coverage, offering added assurance in the quality and longevity of their products.

Sustainable Boating: By opting for OEM parts, you’re choosing a path that’s not only good for your boat but also better for the environment. Mercury’s commitment to sustainability is reflected in their manufacturing processes, reducing waste and minimizing environmental impact.


Selecting the right Mercury OEM lower unit requires consideration of your specific boating needs and engine specifications. Here’s how to ensure you make the best choice:

Know Your Engine: Familiarize yourself with your Mercury engine’s model and specifications. This information is crucial in identifying the compatible OEM lower unit that will deliver optimal performance. 

Understand Your Boating Lifestyle: Whether you’re into fishing, water sports, or leisurely cruising, consider how the characteristics of different lower units can enhance your boating experience.

Consult the Experts: Mercury dealers like US Boatworks are invaluable resources. Our expertise can guide you in selecting the perfect OEM lower unit, ensuring your investment enhances your boating adventures for years to come.

Most Asked Questions

How do Mercury OEM lower units enhance boat performance and longevity?

Mercury OEM lower units are engineered with precision craftsmanship, using the highest quality materials and incorporating cutting-edge technology. This results in superior efficiency, power output, and durability, ensuring that your boat performs optimally and enjoys an extended lifespan compared to using aftermarket alternatives.

Guaranteed compatibility is crucial because it ensures that the lower unit will perfectly match your Mercury engine model, providing seamless functionality. This eliminates the risk of performance issues or damage that can arise from using mismatched components, ensuring your engine operates efficiently and reliably.

Opting for Mercury OEM lower units reflects a commitment to environmental sustainability. Mercury’s manufacturing processes are designed to reduce waste and minimize environmental impact, making OEM parts a responsible choice that supports healthier boating practices and contributes to the preservation of our waterways.

Yes, Mercury provides comprehensive warranty coverage for their OEM lower units, covering workmanship and materials. This warranty protection offers added peace of mind and assurance in the quality and reliability of your investment, ensuring you can enjoy worry-free boating experiences.

To select the right Mercury OEM lower unit, start by knowing your engine’s model and specifications. Then, consider your typical boating activities to identify which unit characteristics will best enhance your experience. Finally, consult with experts, such as Mercury dealers and service centers, who can provide personalized guidance based on your specific needs, ensuring you make the best choice for your boating adventures.

Customers can contact US Boatworks via call, text, or email to get expert assistance and ensure a great boating season.