Yanmar 4JH110 Marine Engine Spare Parts
The Yanmar 4JH110 Marine Engine is a compact four-cylinder marine diesel designed for sailing yachts, cruising yachts, sailboats, and other recreational marine applications requiring relatively high output from a compact engine package.
The 4JH110 belongs to Yanmar's modern JH common-rail engine family. It combines electronic common-rail fuel injection, turbocharging, intercooling, freshwater cooling, and electronic engine management.
With a rated output of 80.9 kW / 110 mhp at 3200 rpm, the 4JH110 sits at the upper end of the JH range and is frequently considered for larger sailing yachts and repower installations where installation dimensions and power-to-weight ratio are important.
Alfa Marine Spare Parts supplies OEM, genuine, aftermarket, and remanufactured Yanmar 4JH110 marine engine spare parts for scheduled maintenance, fuel-system service, cooling-system repairs, turbocharger work, electrical repairs, rebuilding, and engine overhaul requirements.
What Are the Technical Specifications of the Yanmar 4JH110?
Typical published specifications for the Yanmar 4JH110 include:
SpecificationYanmar 4JH110Engine TypeFour-stroke marine dieselCylinder ArrangementInlineCylinders4Displacement1.995 LBore84 mmStroke90 mmRated Output80.9 kW / 110 mhpRated Speed3200 rpmCombustionDirect InjectionFuel SystemCommon RailAspirationTurbocharged & IntercooledCoolingFreshwater cooling with seawater heat exchangeEngine ManagementElectronicElectrical System12 VDry Weight Without GearApprox. 229 kg
Exact specifications and equipment can vary according to engine version, transmission, installation, and market.
Is the Yanmar 4JH110 a Four-Cylinder Engine?
Yes.
The Yanmar 4JH110 is an inline four-cylinder engine with approximately 1.995 liters of displacement.
Its basic cylinder dimensions are:
- Bore: 84 mm
- Stroke: 90 mm
- Cylinders: 4
- Displacement: 1.995 L
This compact engine architecture allows the 4JH110 to provide relatively high output without requiring the installation space of a larger-displacement six-cylinder marine diesel.
How Much Power Does the Yanmar 4JH110 Produce?
The Yanmar 4JH110 is rated at approximately:
80.9 kW / 110 mhp at 3200 rpm
The exact operating conditions and allowable loading should always follow the applicable Yanmar documentation for the engine and installation.
What Fuel System Does the Yanmar 4JH110 Use?
The Yanmar 4JH110 uses an electronically controlled common-rail direct-injection system.
This is an important difference between the 4JH110 and older mechanically injected Yanmar marine engines.
The fuel system can include:
- Common-Rail Fuel Injectors
- High-Pressure Fuel Pump
- Fuel Rail
- Fuel Pressure Sensors
- Pressure-Control Components
- Fuel Supply Components
- Fuel Filters
- Fuel Filter Elements
- High-Pressure Fuel Pipes
- Low-Pressure Fuel Lines
- Injector Seals
- Injector Washers
- Fuel-System Gaskets
- Electronic Fuel-Control Components
Yanmar 4JH110 Common-Rail Fuel Injector Parts
Each cylinder uses an electronically controlled fuel injector.
Available injector-related components can include:
- Complete Common-Rail Injectors
- Remanufactured Injectors
- Injector Seals
- Injector Washers
- Injector O-Rings
- Injector Hardware
- High-Pressure Fuel Pipes
- Associated Common-Rail Components
Injector or fuel-system problems can contribute to symptoms such as:
- Difficult starting
- Rough idle
- Uneven cylinder operation
- Reduced engine output
- Poor acceleration
- Increased exhaust smoke
- Higher fuel consumption
- Abnormal combustion
Because common-rail components operate with very fine tolerances, correct identification and cleanliness during servicing are particularly important.
Yanmar 4JH110 High-Pressure Fuel Pump Parts
The high-pressure fuel pump supplies the pressure required by the common-rail injection system.
Available components can include:
- Complete High-Pressure Fuel Pumps
- Fuel Pump Components
- Pressure-Control Components
- Pump Seals
- Fuel Connections
- Associated Gaskets
- Mounting Hardware
The engine serial number and existing pump identification should be provided when sourcing a replacement high-pressure pump.
Is the Yanmar 4JH110 Turbocharged?
Yes.
The Yanmar 4JH110 is turbocharged and intercooled.
The turbocharger uses exhaust-gas energy to increase the mass of air supplied to the engine, helping the relatively compact 1.995-liter engine achieve its 110 mhp rating.
Available turbocharger components can include:
- Complete Turbochargers
- Remanufactured Turbochargers
- Turbocharger Cartridges
- Compressor Components
- Turbine Components
- Turbocharger Shafts
- Bearings
- Seals
- Oil Supply Components
- Oil Drain Components
- Turbocharger Gaskets
- Mounting Hardware
What Does the Yanmar 4JH110 Intercooler Do?
Compressing air in the turbocharger increases its temperature.
The intercooler reduces the temperature of this compressed air before it enters the cylinders.
Available components can include:
- Complete Intercoolers
- Charge-Air Cooler Components
- Cooler Cores
- Cooler Housings
- End Covers
- Air Connections
- Intake Pipes
- Hoses
- Clamps
- Gaskets
- O-Rings
- Seals
Yanmar 4JH110 Cylinder Head Parts
The cylinder head contains important combustion and valve-train components.
Available Yanmar 4JH110 cylinder head parts can include:
- Complete Cylinder Heads
- Intake Valves
- Exhaust Valves
- Valve Guides
- Valve Seats
- Valve Springs
- Rocker Components
- Injector Components
- Cylinder Head Gaskets
- Valve Cover Gaskets
- Cylinder Head Seals
- Associated Hardware
Yanmar 4JH110 Piston and Piston Ring Parts
Available piston-related components can include:
- Pistons
- Piston Rings
- Piston Pins
- Retaining Components
- Associated Hardware
Piston and piston-ring condition affects:
- Cylinder compression
- Combustion sealing
- Blow-by
- Oil consumption
- Starting performance
- Engine output
Yanmar 4JH110 Connecting Rod Parts
The connecting rods transfer combustion force from the four pistons to the crankshaft.
Available components can include:
- Connecting Rods
- Connecting Rod Bearings
- Connecting Rod Bushings
- Connecting Rod Bolts
- Associated Hardware
Yanmar 4JH110 Crankshaft and Bearing Parts
Available rotating-assembly components can include:
- Complete Crankshafts
- Main Bearings
- Connecting Rod Bearings
- Thrust Bearings
- Crankshaft Gear Components
- Front Crankshaft Seals
- Rear Crankshaft Seals
- Vibration Damper Components
- Associated Hardware
Yanmar 4JH110 Camshaft and Valve Train Parts
Available components can include:
- Camshaft Components
- Camshaft Bearings
- Timing Components
- Rocker Components
- Intake Valves
- Exhaust Valves
- Valve Guides
- Valve Seats
- Valve Springs
- Associated Hardware
How Is the Yanmar 4JH110 Cooled?
Like many modern marine diesel engines, the Yanmar 4JH110 uses separate freshwater and seawater cooling circuits working together through a heat exchanger.
The freshwater circuit circulates coolant through the engine.
The seawater circuit draws raw water from outside the vessel and uses it to remove heat through the marine cooling system.
Available cooling-system components can include:
- Freshwater Pumps
- Seawater Pumps
- Heat Exchangers
- Thermostats
- Thermostat Housings
- Coolant Pipes
- Raw-Water Pipes
- Cooling Hoses
- Temperature Sensors
- Gaskets
- O-Rings
- Seals
Yanmar 4JH110 Freshwater Pump Parts
The freshwater pump circulates engine coolant through the closed cooling circuit.
Available components can include:
- Complete Freshwater Pumps
- Pump Components
- Pump Shafts
- Pump Bearings
- Mechanical Seals
- Pump Housings
- Gaskets
- O-Rings
- Associated Hardware
Yanmar 4JH110 Seawater Pump Parts
The Yanmar 4JH110 seawater pump supplies raw water to the marine side of the cooling system.
Available components can include:
- Complete Seawater Pumps
- Raw-Water Pumps
- Rubber Impellers
- Pump Shafts
- Pump Bearings
- Mechanical Seals
- Pump Covers
- Wear Components
- Gaskets
- O-Rings
- Raw-Water Connections
A deteriorated impeller, worn pump, restricted seawater intake, blocked heat exchanger, or damaged hose can reduce raw-water flow and affect engine cooling.
Yanmar 4JH110 Heat Exchanger Parts
The heat exchanger allows heat from the closed coolant circuit to transfer to the raw-water circuit while keeping the two fluids separated.
Available components can include:
- Complete Heat Exchangers
- Heat Exchanger Cores
- Heat Exchanger Housings
- End Covers
- End Caps
- Gaskets
- O-Rings
- Seals
- Coolant Connections
- Raw-Water Connections
- Associated Hardware
Yanmar 4JH110 Lubrication System Parts
Available lubrication-system components can include:
- Engine Oil Pumps
- Engine Oil Filters
- Oil Filter Elements
- Oil Filter Housings
- Oil Coolers
- Oil Pressure Sensors
- Oil Pressure Components
- Oil Pipes
- Oil Lines
- Oil Pan Components
- Oil Seals
- Lubrication-System Gaskets
The lubrication system protects important components including:
- Crankshaft
- Main Bearings
- Connecting Rod Bearings
- Camshaft
- Valve Train
- Pistons
- Turbocharger
Yanmar 4JH110 Electronic Engine Components
Because the 4JH110 uses electronically controlled common-rail injection, its electrical and engine-management components are an important part of the engine.
Depending on configuration, available components can include:
- Engine Control Components
- Fuel Pressure Sensors
- Oil Pressure Sensors
- Coolant Temperature Sensors
- Engine Speed Sensors
- Position Sensors
- Wiring Harnesses
- Electrical Connectors
- CAN Communication Components
- Engine Monitoring Components
- Control Panels
- Displays
- Vessel-Control Components
Electronic components should always be matched to the exact engine and vessel-control configuration.
Yanmar 4JH110 Starting and Charging Parts
Available components can include:
- Starter Motors
- Alternators
- Starter Solenoids
- Relays
- Alternator Pulleys
- Drive Belts
- Wiring Components
- Electrical Connections
- Associated Hardware
Yanmar 4JH110 Exhaust Parts
Available exhaust-system components can include:
- Exhaust Manifold Components
- Exhaust Manifold Gaskets
- Turbocharger Connections
- Exhaust Mixing Elbows
- Exhaust Pipes
- Exhaust Cooling Components
- Exhaust Seals
- Mounting Hardware
Yanmar 4JH110 Gaskets and Seals
Available sealing components can include:
- Cylinder Head Gaskets
- Valve Cover Gaskets
- Intake Gaskets
- Exhaust Gaskets
- Turbocharger Gaskets
- Intercooler Gaskets
- Heat Exchanger Gaskets
- Freshwater Pump Gaskets
- Seawater Pump Gaskets
- Oil Cooler Gaskets
- Injector Seals
- Front Crankshaft Seals
- Rear Crankshaft Seals
- O-Rings
- Complete Gasket Sets
- Engine Seal Kits
Yanmar 4JH110 Overhaul Parts
Depending on engine condition and overhaul scope, available components can include:
- Pistons
- Piston Rings
- Piston Pins
- Main Bearings
- Connecting Rod Bearings
- Thrust Bearings
- Connecting Rod Components
- Cylinder Head Components
- Intake Valves
- Exhaust Valves
- Common-Rail Injectors
- Crankshaft Seals
- Complete Gasket Sets
- Seal Kits
- Freshwater Pumps
- Seawater Pumps
- Oil Pumps
- Turbocharger Components
- Cooling-System Components
Major replacement components can also include:
- Crankshafts
- Camshaft Components
- Connecting Rods
- Complete Cylinder Heads
- Turbochargers
- Intercoolers
- Heat Exchangers
- High-Pressure Fuel Pumps
- Common-Rail Components
- Electronic Engine Components
What Marine Applications Use the Yanmar 4JH110?
The Yanmar 4JH110 is particularly associated with sailing and recreational marine applications.
Applications can include:
- Sailing Yachts
- Cruising Yachts
- Sailboats
- Catamarans
- Motor Sailers
- Recreational Craft
- Repower Projects
- New-Build Yacht Projects
- Auxiliary Propulsion Applications
Its compact dimensions and relatively high output make it useful where installation space and engine weight are important considerations.
Is the Yanmar 4JH110 Suitable for Repowering?
Yes. The 4JH110 can be considered for repower applications where the engine's output, dimensions, weight, transmission compatibility, exhaust arrangement, cooling requirements, and vessel structure are suitable.
A repower should not be based on horsepower alone.
The installation should also account for:
- Marine gear ratio
- Propeller requirements
- Engine mounts
- Shaft alignment
- Exhaust capacity
- Seawater supply
- Fuel-system requirements
- Electrical system
- Engine controls
- Available engine-room space
Which Yanmar 4JH110 Engine Parts Should Be Identified by Serial Number?
Using the engine serial number is recommended for virtually all engine-specific components, but it is particularly important for:
- Common-Rail Fuel Injectors
- High-Pressure Fuel Pumps
- Turbochargers
- Engine Control Components
- Sensors
- Wiring Harnesses
- Seawater Pumps
- Freshwater Pumps
- Heat Exchangers
- Starter Motors
- Alternators
- Cylinder Head Components
- Internal Engine Parts
- Marine Gear Connections
What Information Should Be Used to Identify Yanmar 4JH110 Parts?
For accurate Yanmar 4JH110 Marine Engine Spare Parts identification, provide:
- Engine model: Yanmar 4JH110
- Engine serial number
- Existing part number
- Component name or description
- Quantity required
- Marine gear model
- Engine-control configuration
- Clear photographs of the existing component
- Vessel or application information where relevant
- Delivery country or port
Providing both the engine serial number and existing part number is particularly useful when identifying configuration-dependent components.
This helps reduce the risk of ordering a component that looks similar but is not correct for the specific Yanmar 4JH110 installation.