Trusted marine mechanic in Ventura, Santa Barbara & Channel Islands for inboard marine diesel maintenance, repair, and mobile service.
When you search for marine mechanic Ventura CA, you need experienced pros who understand our local waters. 805 Marine Mechanic provides mobile marine diesel service, maintenance, and repairs for boaters across Santa Barbara, Ventura, and the Channel Islands. We specialize exclusively in inboard marine diesel engines—no gasoline or outboard work—so you get focused expertise that keeps you on the water.
Request Service – Contact 805 Marine Mechanic
Marine Mechanic Services in Ventura & Santa Barbara
From routine maintenance to complex diagnostics and overhauls, our mobile team brings certified diesel expertise right to your slip, mooring, or storage.
Routine Maintenance
- Oil & filter changes, valve adjustments, anode inspection
- Cooling system service: impellers, heat exchangers, coolant flushes
- Fuel system care: primary/secondary filters, polishing guidance, leak checks
- Electrical checks: charging, starting, alternators, wiring integrity
Repairs & Overhauls
- Fuel injection diagnostics, smoke/rough‑running troubleshooting
- Overheating resolution and cooling component replacement
- Compression checks, top‑end refresh, full in‑frame overhauls
- Transmission alignment, mounts, and vibration investigation
Mobile Service Benefits
- On‑site service at Ventura Harbor, Channel Islands Harbor (Oxnard), and Santa Barbara Harbor
- Less downtime and no transport hassles
- Pro diagnostics aboard your vessel under real conditions
Brands We Support
Factory‑level service for leading diesel platforms, including Volvo Penta, Cummins, Yanmar, Caterpillar, MTU, Perkins, Scania, Beta Marine, FPT, and Ford Lehman.
Learn more:
Perkins Marine •
Yanmar Marine •
Caterpillar Marine
Local Areas Served
We cover Ventura County, Santa Barbara, Oxnard, and the Channel Islands—from Ventura Harbor Village to Santa Barbara Marina and everything in between.
DIY Marine Diesel Tips (Save Money & Prevent Breakdowns)
Smart maintenance prevents most on‑water issues. Use these quick checks before every outing:
Exhaust & Sound
- Smoke color: Black (fuel‑rich), white/steam (overheat), blue (oil). Investigate early.
- Noises: Knocking, whining, or grinding indicates wear—schedule diagnostics.
Heat, Smell, Feel
- Temp spikes: Check raw‑water flow and impeller condition.
- Burning rubber or hot oil odors: Possible belt slip, failing pump, or oil leak—shut down and call.
New to freshwater flushing? See our quick guide: Fresh Water Flushing.
Further reading: BoatUS Expert Advice • Yachting Magazine – How‑To
Why Local Boaters Choose 805 Marine Mechanic
- Diesel‑Only Focus: We service inboard marine diesel engines exclusively for deeper expertise.
- Certified Mobile Techs: Factory‑trained, fully equipped, and marina‑friendly.
- Transparent Quotes: Clear scope, no surprises, photo/video updates when helpful.
- Harbor‑Ready: Familiar with SoCal conditions—kelp, corrosion, seasonal usage patterns.
Signs Your Engine Needs Professional Attention
- Unusual exhaust smoke (black/white/blue)
- Strange noises (knock, whine, grind)
- Overheating or coolant loss
- Loss of power or excess fuel burn
- Burning rubber / hot oil smells
Catch issues early—our mobile team can diagnose dockside or at your mooring.
Marine Mechanic Ventura CA – FAQs
Do you work on gas or outboard engines?
No—we specialize in inboard marine diesel engines only. This focus ensures expert diagnostics and lasting repairs.
Which areas do you serve?
Ventura, Oxnard (Channel Islands Harbor), Santa Barbara, and the Channel Islands. We come to your slip, yard, or storage location.
What brands do you service?
Major diesel brands including Volvo Penta, Cummins, Yanmar, Caterpillar, MTU, Perkins, Scania, Beta Marine, FPT, and Ford Lehman.
Can you help with overheating or smoke issues?
Yes—common causes include raw‑water flow, injectors, or turbo/air issues. We provide on‑site diagnostics and repairs.
Do you offer emergency mobile repairs?
We prioritize urgent cases and aim for rapid on‑site response when safety and access allow. Call for availability.