VETUS VH4.80 (80 HP) inboard diesel service by 805 Marine Diesel Mechanic—mobile, dockside specialists serving Ventura, Oxnard, Channel Islands Harbor & Santa Barbara.

The VETUS VH4.80 delivers the sweet spot of quiet operation, fuel economy, and reliable coastal cruising power for small and mid-size vessels. As an inboard-diesel–only shop, 805 Marine Diesel Mechanic brings OEM tooling, diagnostics, and genuine VETUS parts right to your slip in Santa Barbara, Ventura, Oxnard, and Channel Islands Harbor so you enjoy more days on the water and fewer in the yard.
VETUS VH4.80 Overview: Compact Power for Coastal Duty
Designed for cabin boats, canal boats, workboats, and small fishing vessels, the VH4.80 balances smooth manners with real-world torque and excellent range—ideal for SoCal harbor maneuvering and island runs.
Key Specs at a Glance
- Output: 59 kW / ~80 HP @ 4,000 rpm
- Architecture: Inline 4-cylinder, 4-stroke
- Induction: Intercooled; optimized air path
- Fueling: Indirect injection for clean burn and economy
- Alternator: 12 V / 115 A for healthy house-bank charging
- Cooling: Dual-circuit closed cooling with heat exchanger
- Noise/Vibration: Counter-balanced shafts + silenced intake/exhaust
- Controls: Supplied with instrument panel (MPA22BS25)
- Drives: Gearbox or saildrive options; adaptor kits available
Shop focus: Inboard marine diesel only (no gas/outboards).
Why Choose the VH4.80 for Santa Barbara & Ventura County Waters
- Quiet & smooth: Counter-balancing and robust mounts reduce NVH for relaxed cruising and better onboard conversation.
- Fuel-efficient: Indirect injection + intercooling deliver longer range and fewer fuel dock stops.
- Compact install: Fits tight engine rooms with clean service access to filters, belts, and impeller.
- Flexible driveline: Pairs with gearbox or saildrive; repower-friendly path via adaptor kits.
- Low upkeep: Self-bleeding fuel system and molded cooling components reduce hose count and failure points.
⚙️ Book a VH4.80 Inspection & Quote
Real-World Performance: Torque, Range & Comfort
Harbor crosswinds, head seas to the islands, tight slips—marine torque at low rpm gets you moving confidently while the engine’s balance shafts and rigid block design keep things calm and quiet. With carefully managed fueling and temperature control, the VH4.80 turns every gallon into useful miles—great for long fishing days off Oxnard or lazy Santa Barbara cruises.
Ideal Applications
- Cabin & pocket cruisers: Quiet, efficient propulsion for family weekends.
- Small fishing vessels: Reliable push and low running costs.
- Canal boats: Smooth, low-rpm control and reduced noise.
- Workboats: Predictable starts, easy access for fast service.
- Repowers: Modern economy and comfort without reengineering the boat.
Professional VH4.80 Maintenance & Repairs (Dockside)
We follow VETUS guidance and tune intervals to your hours, fuel quality, and mission profile. Our mobile service covers Santa Barbara, Ventura, Oxnard & Channel Islands Harbor.
Core Maintenance
- Oil & filters: correct spec oils, quality elements, oil sampling as requested
- Fuel system: primary/secondary filters, water separator drains, injector health checks
- Cooling: raw-water impeller service, heat-exchanger cleaning, coolant QA, hose/clip renewals
- Air & exhaust: intake/airbox service, exhaust bend inspections, leak checks
- Drive & mounts: alignment/deflection checks, mount torque & condition
- Electrical: alternator output tests, battery/charging diagnostics, panel verifications
Common Repairs
- Injector testing/refresh and fuel-line remediation
- Heat-exchanger and intercooler pressure checks/descale
- Raw-water pump rebuilds (seals/impeller)
- Charging/starting troubleshooting (alternator, cabling, grounds)
VETUS Maintenance Schedule (Guide) • Fresh Water Flushing Setup
Genuine VETUS Parts = Predictable Performance
We install authentic VETUS components to preserve emissions, fuel economy, and longevity. Aftermarket substitutions risk higher NVH, poorer sealing, and premature failures. OEM parts keep your VH4.80 performing to spec—and help resale narratives.
- Filters, belts, anodes, impellers, raw-water pumps
- Heat-exchanger & intercooler hardware, gaskets, sensors
- Charging & panel components, harnesses, connectors
VETUS Engines (OEM) • VETUS Brand Legacy
Owner Tips: Extend VH4.80 Service Life
- Track hours and service by hours, not just calendar months.
- Drain separators regularly—especially after rough seas or fueling.
- Fresh-water flush after saltwater usage to fight scale/corrosion.
- Carry spares: filters, belts, impeller, anodes; date-label each.
- Watch for early clues: harder starts, extra smoke, new turbo whistle, rising temps.
More how-to reading: BoatUS Expert Advice • Yachting Magazine How-To
Local, Mobile Service—Ventura, Oxnard, Channel Islands & Santa Barbara
- Ventura Harbor Village: charters & coastal cruisers
- Channel Islands Harbor: sportfish, RIBs, passenger
- Oxnard marinas: quick-turn PM and diagnostics
- Santa Barbara Harbor: dockside service & sea-trial verification
Related Diesel Services & Engines
- VETUS Marine Mechanic – Channel Islands
- VETUS Maintenance Schedule
- VETUS M4.56 (52 HP)
- VETUS VF4.145 (145 HP)
- Fresh Water Flushing
VETUS VH4.80 FAQs
How often should I service my VH4.80?
Every 100 hours or annually—whichever comes first. Heavy usage or harsher conditions may benefit from shorter intervals.
Do you offer mobile service at my marina?
Yes—our dockside teams cover Santa Barbara, Ventura, Oxnard, and Channel Islands Harbor with OEM diagnostics and genuine parts.
What early symptoms signal the VH4.80 needs attention?
Harder starts, new smoke, elevated temps, unusual vibration, or a change in turbo whistle. Schedule diagnostics promptly.
Can you help plan a repower?
Absolutely. We baseline current performance, confirm mounting/footprint, scope parts availability, and map timelines around your season.
Do you use genuine VETUS parts?
Yes—OEM components only, to preserve designed performance, emissions, and longevity.
🛠️ Request VH4.80 Service or Diagnostics
Explore more: Channel Islands VETUS Mechanic •
VETUS Maintenance Schedule •
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