Diesel Engine Repair & Maintenance
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Diesel Regular Maintenance
Give us a call for your regular oil and filter changes on all brands of inboard diesel and gas engines.
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Mobile Professional technicians
That show up to your boat with that “Dad smolder” look. And get stuff done.
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Diesel Diagnostics & Repair
Our techs have years of combined experience diagnosing Mercruiser issues and conducting regular maintenance.
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ABYC Trained Techs
Many of our techs are ABYC certified Master Technicians. Old Town Marine is a member company.
We work on all the major inboard diesel brands including Volvo Penta, Yanmar, Mann, John Deere and Detroit Diesel engines.
Our diesel repair and maintenance services in the Lower Keys are designed to keep your marine diesel engines running at peak performance. Whether you need routine maintenance, engine diagnostics, or complex repairs, our team of certified diesel technicians has the expertise to handle it all. We service a wide range of diesel engine brands and models, ensuring thorough inspections, fluid changes, filter replacements, and system checks. From addressing fuel system issues to troubleshooting power loss, we provide reliable, on-site service to keep your vessel ready for any journey.
We also have technicians who specialize in gas engines: particularly inboard gas engines like Mercruisers or others found on Yamaha jet boats or jet skis. Give us a ring.
Marine Diesel Repair Services
Cooling Circuit Flush
Alternator Troubleshoot and R&R
Alternator Belts
Pulley Replacement
Water Pumps
Heat Exchangers
Marine Diesel Maintenance Services
Oil and Filter Change
Primary and Secondary Fuel Filter Change
Transmission service
Zinc Replacement
Replacement of Belts
Diesel Generator Service
Impeller Exchange