Marine Services Channel Islands

Welcome to 805 Marine Mechanic, your trusted source for professional
inboard marine diesel service in the
Channel Islands, Ventura, and Santa Barbara. Whether you’re preparing for a fishing season,
a weekend cruise, or a commercial run, our mobile team delivers top-tier
maintenance and repair right to your vessel—saving you time and keeping your boat ready to perform.Schedule Service Today

Trusted Local Diesel Experts

805 Marine Mechanic prides itself on specialized mobile marine diesel engine service.
Our certified technicians and knowledgeable parts specialists bring decades of combined experience,
working exclusively on inboard diesel systems. From Yanmar to Caterpillar and Cummins, we deliver
precise, reliable service tailored to your boat’s powertrain.


Marine Services Channel Islands, Baldwin Filters
Baldwin Filters and OEM-grade components for long-lasting protection.

Comprehensive Marine Diesel Services

We perform full-spectrum maintenance, troubleshooting, and repairs for all major diesel engine
components and systems. Every job is handled with precision using OEM-quality parts for safety and reliability.

  • Tune-ups and complete engine diagnostics
  • Oil and filter changes + oil analysis
  • Water pump repair & impeller replacement
  • Cooling system maintenance
  • Aftercooler, oil cooler, and heat-exchanger servicing
  • Fuel injector testing, repair, and replacement
  • Steering system diagnostics & valve adjustments
  • Heat-exchanger and exhaust-manifold flushing and rebuilds
  • Generator engine service & zinc replacement
  • Transmission / marine-gear servicing
  • Video borescope inspections for internal engine checks

Preventive Care Pays Off

Taking care of your diesel engine is an investment that extends its life and keeps you safe on the water.
Regular maintenance prevents breakdowns, avoids costly component failures, and maximizes fuel efficiency.
Learn more about diesel engine repairs and
why expert servicing matters.

The marine environment exposes engines to salt, heat, and moisture. Protect your investment by
scheduling consistent maintenance—especially before and after each boating season.

Serving Channel Islands, Ventura & Santa Barbara

Our technicians are based locally and understand the unique demands of boating along California’s Central Coast.
From the harbors of Ventura to the scenic marinas of Santa Barbara and the adventurous Channel Islands,
we provide prompt, dependable mobile service wherever your vessel is docked.

Book Mobile Service

Experienced With Leading Marine Diesel Brands

We specialize in maintenance and overhauls for a wide range of marine diesel engines including:
Yanmar, Cummins, Caterpillar, Volvo Penta, Scania, MAN, MTU, Fisher Panda, John Deere, Detroit Diesel, and BETA.
Whatever you run, 805 Marine Mechanic has the training and tools to keep it performing at its best.

MAN Engine Survey
MAN engine survey and diagnostic services.

Mobile Marine Mechanic Convenience

Skip the haul-outs and downtime. Our mobile service unit comes fully equipped for
on-site professional work—fuel injection systems, pumps, desalination systems, fuel-tank cleaning,
and more. We bring dealership-quality service directly to your slip.

man diesel engine
MAN diesel engines—efficient, compact, and reliable power for your vessel.

Cummins and MAN engines we service
are built for performance and efficiency, meeting all international emissions standards.
You’ll enjoy smoother acceleration, better fuel economy, and dependable starts every time.

Caterpillar Marine Diesel Engine
Caterpillar C18 marine diesel—power and endurance for fishing & commercial fleets.

Our Proven Service Process

  1. Consult & Inspect —We listen to your concerns and perform an initial on-board inspection.
  2. Diagnose & Quote —Using advanced tools and borescopes, we pinpoint issues and provide clear estimates.
  3. Repair & Verify —Our technicians complete the work using OEM parts, followed by sea-trial verification.
  4. Maintain & Support —We deliver a personalized maintenance schedule to keep you ahead of future issues.

Benefits of Regular Diesel Service

A well-maintained diesel engine runs cleaner, quieter, and more efficiently. Regular care prevents sludge buildup,
corrosion, and hard starts. You’ll notice improved fuel economy and confidence every time you turn the key.

Quality You Can Trust

805 Marine Mechanic uses only high-quality drivetrain lubricants and OEM or trusted replacement parts.
We stand behind our work with clear communication and honest recommendations. Every service is performed
as if we were maintaining our own vessel.

Ready to Cruise With Confidence?

Join local boaters who trust 805 Marine Mechanic for expert diesel service in
the Channel Islands, Ventura, and Santa Barbara. From routine maintenance to full rebuilds,
we’re here to keep your adventures smooth, safe, and reliable.

Contact 805 Marine Mechanic