Cummins & Onan Marine Sales, Service and Parts
Cummins Engine Sales & Repowers
As a full-service Cummins marine dealer, Southeastern Marine & Yacht Power offers comprehensive engine sales and repower services, including new engine commissioning. We stock proven Cummins QSB, QSC, QSM and QSL engines (both new and factory remanufactured), as well as engine control systems and Zeus pod drives.
We employ an in-house Cummins Field Service Engineer and a Level 3 Engineer, and have direct access to additional Level 2 and Level 3 Cummins engineering support. All technicians are factory-trained and certified with 10+ years of Cummins experience, and all installations are certified and fully backed by the manufacturer.
With access to Cummins’ nationwide inventory, we can source your new or factory-remanufactured engines quickly, and, with full mobile capabilities and marina privileges throughout Florida and the Southeast, we can install and commission them with minimum downtime.

Southeastern Marine & Yacht Power is your source for Cummins marine engine sales and repower services in Florida.
- Exclusive Cummins dealer for Tampa Bay and Pensacola
- New and factory remanufactured QSB, QSC, QSM and QSL engines
- Zeus pod drives and engine control systems
- In-place repowers throughout the Southeast
- Cummins engineers on staff
- Full commissioning of all installations

Cummins Maintenance & Repairs
With a highly experienced staff of more than ## factory-trained and certified techs, Southeastern Marine & Yacht Power can keep your Cummins engines running to the manufacturer’s standards and specifications and effectively address any issue that might arise.
As a Certified Dealer, we have access to INSITE Diagnostics, the same proprietary tool used by in-house Cummins engineers, and we use OEM parts and fluids exclusively, ensuring that manufacturer warranties remain in force.
Our fleet of fully stocked service vans and dedicated Rapid Reponse team stand ready to diagnose your Cummins engines anywhere you’re docked — from St. Pete to St. Lucia — while a stock of more than 10,000 parts and priority access to Cummins inventory ensures quick repairs.
Nobody is better qualified to diagnose and repair your Cummins marine engines than Southeastern Marine & Yacht Power.
- Advanced diagnostics
- Cooling system services
- Oil & filter maintenance services
- Engine alignments
- Top end rebuilds
- Full mobile capabilities
- All OEM parts and fluids
- Cummins-certified techs
- Parts and labor warranties
Cummins Warranty Services
For more than 40 years, Southeastern Marine & Yacht Power has served Florida’s West Coast as a Cummins Warranty Service Provider, and we’re proud to continue representing the company even as we grow our offerings.
Working closely with Cummins, our well-trained project managers, engineers and technicians strive to create a seamless process — from processing your warranty claim, to performing needed repairs or replacements, to certifying the work performed.
Need Cummins warranty service?
Call Southeastern Marine & Yacht Power.


Cummins Marine Parts
When you need Cummins parts, fluids or other supplies, our knowledgeable professionals — each with decades of marine power experience — stand ready to help you find exactly what you’re looking for. And with more than 10,000 OEM parts on the shelves at our four Florida locations, there’s a good chance we have whatever it is.
If we don’t have it, we can get it fast. As a fully authorized dealer and warranty service center, we have direct access to Cummins’ nationwide parts inventory. We also offer specialized services for boat dealers, service providers, etc.
For knowledgeable professionals and Florida’s largest inventory of Cummins parts, choose Southeastern Marine & Yacht Power.
Support for Boat Builders and Industry Pros
In addition to boat owners and captains, Southeastern Marine & Yacht Power supports a variety of marine industry companies with Cummins sales, installation and service. For custom boat builders, for example, our in-house engineering staff in partnership with Cummins engineers can design, source, install, and commission complete power packages, including engines, transmissions/drives, controls, and generators based on build specifications. We also offer specialized parts programs for boat dealers, service providers, and other pros.
How can Southeastern Marine & Yacht Power help your business with Cummins sales, installation or parts?
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