Long Island's best marine service


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Diesel Engine Repair

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Diesel Engine Repair




Revive Your Boat's Heartbeat!

Why Choose Port Jeff Marine for Diesel Engine Repair?

  • Skilled Technicians: Our team of skilled technicians specializes in diesel engine repair, bringing years of experience and know-how to every job.
  • Comprehensive Repairs: From routine maintenance to complex overhauls, we handle it all. No job is too big or small for us to tackle.
  • Quick Turnaround: We know you want to get back on the water as soon as possible. Our efficient service ensures a speedy turnaround without compromising on quality.
  • Thorough Diagnostics: We leave no stone unturned when diagnosing engine issues, ensuring that we address the root cause of the problem.
  • Regular Maintenance: Don't wait for a breakdown. Our regular maintenance services keep your diesel engine running smoothly, preventing costly issues down the line.
  • Reliable Service: You can trust us to provide honest assessments, transparent pricing, and dependable repairs every time.

Your Boat's Lifeline

Installations and Maintenance: Your Boat's Lifeline

Keeping your boat in peak condition is our passion. Beyond repairs, we offer top-notch Installations and Maintenance services that are essential to your vessel's longevity.

Our Services Include:

  • Electrical System Installations: From lighting to navigation systems, we ensure your boat is equipped for any adventure.
  • Hardware Installations: Need new equipment or upgrades? We've got you covered.
  • Hull and Bottom Maintenance: Protect your boat against wear and tear with our expert care.
  • Lighting and Wiring Maintenance: Keep your boat's electrical systems in optimal working order.
  • Regular Checkups: Preventative maintenance is the key to avoiding costly repairs.

Choose Port Jeff Marine for Reliable Diesel Engine Repair, Installations, and Maintenance.

Contact us today to schedule your diesel engine repair, installations, or maintenance service. Let us keep your vessel running smoothly so you can focus on the open water. Your boat deserves the best, and so do you.


Dealers for  Westerbeke, Yanmar, Universal


Fine service on Mercruiser, Volvo


A full shop, staffed by people who know what they're doing




Long Island's finest boat engine repair


 Based in Suffolk County we serve all Long island New York


site updated 9/24/2023



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