Your #1 Source for Lower Units

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OEM Parts & Lower Units - Quality You Can Trust

The Most Reliable Rebuilder in the US


Priced at deep discounts to save you money All units include a full year warranty.

Over 2 Million OEM Parts Ready to Ship Today


Your professional choice for reliable, high-quality marine parts. Most orders ship the same day!

New and Used OEM Parts Available


Discover thousands of hard to find parts from Mercury, Mercruiser, Evinrude, Johnson, OMC and Volvo Penta.

Welcome To U.S. Boatworks

Welcome to U.S. Boatworks, where keeping you on the water is our #1 priority. We specialize in lower unit replacement. If your looking for rebuilt or remanufactured lower units, you’ve come to the right place! Our seasoned team members are experts in gearcase building and we take pride in getting you back on the water quickly and affordably. 

In all of Kansas City, there isn’t a friendlier or more knowledgeable staff than ours. We’re happy to help you with boat parts or boat repair you need. Check out our catalogs to find Mercury, Mercruiser, Mariner, Force, Evinrude, Johnson, OMC and Volvo parts. If you need help in making your selection, call or stop in—we’re always ready to help!

We are family-owned and operated and conveniently located in Kansas City, KSU.S. Boatworks provides you with the latest and best boat parts and Mercury Motors to make your time on the lake more enjoyable. By having one of the largest boat part inventories in the US, we can help get you back on the water quickly. We do this by avoiding having to wait for parts to ship from the manufacturer. Choose U.S. Boatworks & find comfort knowing you will have a great day on the lake.

We know individuality is important, which is why we pay close attention to the interests of each customer. From the minute you walk through the door, meeting your needs is our top priority. Founded not only on excellent customer service, but also on the principles of hard work and a focused attitude, U.S. Boatworks has a long list of satisfied customers. Call or stop by; you’ll be glad you did.

Why Choose U.S. Boatworks


Visit our online parts store to buy high-quality genuine OEM boat parts at prices up to 25% below retail.


Most online orders ship for $4.95 when you use our coupon code.


Fast shipping. Most orders placed by 1 pm cst ship the same day!


Over 37 years Replacement Drive business. We know your motor inside and out.

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Latest Blogs

Get Ready to Win this Winter

Ready to Win this Winter

As boating season winds down, now is the perfect time to start preparing for annual winterization or off-season storage. Stop by today or call us at 913-342-0011 to  schedule..

Volvo DPSM Bac In Stock

Volvo DPSM Now In Stock

It’s been a long wait for Volvo-Penta to manufacture their DPSM complete outdrive and DPSM lower unit. Volvo-Penta stopped producing these units…

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