Yanmar 4LV Marine Engine Parts
Yanmar 4LV Marine Engine Parts
What Is the Yanmar 4LV Marine Engine?
The Yanmar 4LV Marine Engine is a compact inline four-cylinder, four-stroke marine diesel family designed for recreational, cruising, repower, and selected light-duty commercial applications.
The 4LV family includes:
- Yanmar 4LV150
- Yanmar 4LV170
- Yanmar 4LV195
- Yanmar 4LV230
- Yanmar 4LV250
Yanmar also offers Z-designation sterndrive versions of these engines. The family uses a 2.755-liter four-cylinder platform with direct injection, Denso common-rail technology, turbocharging, and intercooling.
Alfa Marine Spare Parts supplies OEM, genuine, aftermarket, and remanufactured Yanmar 4LV marine engine spare parts for scheduled maintenance, fuel-system repairs, cooling-system work, turbocharger service, electrical repairs, rebuilding, and engine overhaul requirements.
Yanmar 4LV Technical Information
The main 4LV models share the same fundamental engine architecture.
SpecificationYanmar 4LV SeriesManufacturerYanmarEngine Family4LVEngine TypeFour-stroke marine dieselCylinders4Cylinder ArrangementInlineDisplacement2.755 LBore92 mmStroke103.6 mmCombustionDirect InjectionFuel SystemDenso Common RailAspirationTurbocharged & IntercooledCoolingFreshwater + seawater coolingMarine ConfigurationsInboard and Z sterndrive versionsRated Speed3500 or 3800 rpm depending on modelWhich Yanmar 4LV Models Are Available?Yanmar 4LV150
The Yanmar 4LV150 is the entry model in the family and is rated at approximately:
110 kW / 150 mhp at 3500 rpm.
Yanmar 4LV170
The Yanmar 4LV170 is rated at approximately:
125 kW / 170 mhp at 3500 rpm.
Yanmar 4LV195
The Yanmar 4LV195 is rated at approximately:
143 kW / 195 mhp at 3500 rpm.
Yanmar 4LV230
The Yanmar 4LV230 is rated at approximately:
169 kW / 230 mhp at 3800 rpm.
Yanmar 4LV250
The Yanmar 4LV250 is the highest-output version in the standard family and is rated at:
184 kW / 250 mhp at 3800 rpm.
Is the Yanmar 4LV a Four-Cylinder Engine?
Yes.
The Yanmar 4LV uses an inline four-cylinder configuration.
The engine platform has:
- 4 cylinders
- 2.755 L displacement
- 92 mm bore
- 103.6 mm stroke
The compact inline-four layout makes the 4LV particularly suitable for installations where engine-room space and weight are important.
Is the Yanmar 4LV a Four-Stroke Engine?
Yes.
The Yanmar 4LV is a four-stroke, water-cooled marine diesel engine.
Its operating cycle consists of:
- Intake
- Compression
- Combustion and power
- Exhaust
The complete operating cycle takes place over two crankshaft revolutions.
What Fuel System Does the Yanmar 4LV Use?
The 4LV uses Denso common-rail direct injection. Yanmar identifies common-rail technology as a core feature of the 4LV family.
Available fuel-system components can include:
- Common-Rail Fuel Injectors
- High-Pressure Fuel Pumps
- Fuel Supply Pumps
- Fuel Rail Components
- Fuel Pressure Sensors
- Pressure-Control Components
- Fuel Filters
- Fuel Filter Housings
- High-Pressure Fuel Pipes
- Low-Pressure Fuel Lines
- Injector Seals
- Injector O-Rings
- Fuel-System Gaskets
- Electronic Fuel-Control Components
Yanmar 4LV Fuel Injector Parts
The four common-rail injectors control the timing and quantity of fuel delivered to the cylinders.
Available components can include:
- Complete Fuel Injectors
- Remanufactured Injectors
- Injector Seals
- Injector O-Rings
- Injector Washers
- Injector Hardware
- High-Pressure Fuel Pipes
- Associated Common-Rail Components
Injector condition can affect:
- Cold starting
- Hot starting
- Idle quality
- Engine power
- Acceleration
- Fuel consumption
- Cylinder balance
- Exhaust smoke
- Combustion quality
The correct injector should be identified using the exact 4LV150, 4LV170, 4LV195, 4LV230, or 4LV250 model and serial number.
Yanmar 4LV High-Pressure Fuel Pump Parts
The high-pressure fuel pump supplies pressurized fuel to the common rail.
Available components can include:
- Complete High-Pressure Fuel Pumps
- Pump Components
- Pressure-Control Components
- Fuel Connections
- Pump Seals
- Associated Gaskets
- Mounting Hardware
Is the Yanmar 4LV Turbocharged?
Yes.
Yanmar specifies the 4LV family as turbocharged and intercooled.
Available turbocharger components can include:
- Complete Turbochargers
- Remanufactured Turbochargers
- Turbocharger Cartridges
- Compressor Components
- Turbine Components
- Bearings
- Seals
- Oil Supply Components
- Oil Drain Components
- Turbocharger Gaskets
- Mounting Hardware
The correct turbocharger should be matched to the exact 4LV model and rating.
What Does the Yanmar 4LV Intercooler Do?
The turbocharger compresses the intake air, increasing both pressure and temperature.
The intercooler reduces the temperature of this compressed air before it reaches the cylinders.
Available components can include:
- Complete Intercoolers
- Charge-Air Cooler Cores
- Cooler Housings
- End Covers
- Intake Pipes
- Air Connections
- Hoses
- Clamps
- Gaskets
- O-Rings
- Seals
Yanmar 4LV Cylinder Head Parts
Available cylinder-head components can include:
- Complete Cylinder Heads
- Intake Valves
- Exhaust Valves
- Valve Guides
- Valve Seats
- Valve Springs
- Rocker Components
- Injector Components
- Cylinder Head Gaskets
- Cylinder Head Seals
- Associated Hardware
Yanmar 4LV Piston Parts
The engine contains four piston assemblies.
Available piston-related components can include:
- Pistons
- Piston Rings
- Piston Pins
- Retaining Components
- Associated Hardware
Piston and ring condition can influence:
- Compression
- Combustion sealing
- Blow-by
- Oil consumption
- Engine power
- Overall engine performance
Yanmar 4LV Connecting Rod Parts
Available components can include:
- Connecting Rods
- Connecting Rod Bearings
- Connecting Rod Bushings
- Connecting Rod Bolts
- Associated Hardware
Yanmar 4LV 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 4LV Camshaft and Valve Train Parts
Available components can include:
- Camshafts
- Camshaft Bearings
- Timing Components
- Rocker Components
- Intake Valves
- Exhaust Valves
- Valve Guides
- Valve Seats
- Valve Springs
- Associated Hardware
How Is the Yanmar 4LV Cooled?
Yanmar specifies freshwater cooling with a centrifugal freshwater pump and seawater cooling using a rubber-impeller seawater pump on the 4LV150, 4LV170, and 4LV195 technical data.
Available cooling components can include:
- Freshwater Pumps
- Coolant Pumps
- Seawater Pumps
- Thermostats
- Thermostat Housings
- Heat Exchangers
- Coolant Pipes
- Raw-Water Pipes
- Cooling Hoses
- Temperature Sensors
- Gaskets
- O-Rings
- Seals
Yanmar 4LV Freshwater Pump Parts
The freshwater pump circulates coolant through the closed engine-cooling circuit.
Available components can include:
- Complete Freshwater Pumps
- Pump Shafts
- Pump Bearings
- Mechanical Seals
- Pump Impellers
- Pump Housings
- Gaskets
- O-Rings
- Associated Hardware
Yanmar 4LV Seawater Pump Parts
The seawater pump circulates raw water through the marine cooling circuit.
Available parts can include:
- Complete Seawater Pumps
- Rubber Impellers
- Raw-Water Pumps
- Pump Shafts
- Pump Bearings
- Mechanical Seals
- Pump Covers
- Wear Components
- Gaskets
- O-Rings
- Raw-Water Connections
Yanmar 4LV Heat Exchanger Parts
Available components can include:
- Complete Heat Exchangers
- Heat Exchanger Cores
- Heat Exchanger Housings
- End Covers
- End Caps
- Gaskets
- O-Rings
- Seals
- Freshwater Connections
- Raw-Water Connections
- Associated Hardware
Yanmar 4LV Lubrication System Parts
Available lubrication-system components can include:
- Engine Oil Pumps
- Oil Filters
- Oil Filter Elements
- Oil Filter Housings
- Oil Coolers
- Oil Cooler Components
- Oil Pressure Sensors
- Oil Lines
- Oil Pipes
- Oil Pan Components
- Oil Seals
- Lubrication-System Gaskets
The lubrication system protects major components including:
- Crankshaft
- Main Bearings
- Connecting Rod Bearings
- Camshaft
- Valve Train
- Pistons
- Turbocharger
Yanmar 4LV Electronic Engine Components
Electronic engine management is an important part of the 4LV platform. Yanmar's current 4LV documentation also shows integration with vessel-control systems on applicable configurations.
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
- CAN-Bus Components
- Control Panels
- Displays
- Vessel-Control Components
- Electrical Connections
Yanmar 4LV Starting and Charging Parts
Available electrical components can include:
- Starter Motors
- Alternators
- Starter Solenoids
- Relays
- Alternator Pulleys
- Drive Belts
- Wiring Components
- Electrical Connections
- Associated Hardware
Yanmar lists a 12 V, 130 A alternator on the 4LV250 specification.
Yanmar 4LV Exhaust Parts
Available exhaust-system components can include:
- Exhaust Manifold Components
- Exhaust Manifold Gaskets
- Turbocharger Connections
- Exhaust Mixing Elbows
- Exhaust Pipes
- Exhaust Cooling Components
- Marine Exhaust Connections
- Exhaust Seals
- Mounting Hardware
Yanmar 4LV 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
- Crankshaft Seals
- O-Rings
- Complete Gasket Sets
- Engine Seal Kits
Yanmar 4LV Overhaul Parts
Depending on the 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
- Camshafts
- Connecting Rods
- Complete Cylinder Heads
- Turbochargers
- Intercoolers
- Heat Exchangers
- High-Pressure Fuel Pumps
- Common-Rail Components
- Electronic Engine Components
Can the Yanmar 4LV Be Used With a Sterndrive?
Yes.
Yanmar lists 4LV150Z, 4LV170Z, 4LV195Z, 4LV230Z, and 4LV250Z sterndrive versions alongside the standard 4LV models.
Depending on the installation, components can include:
- Bell Housing Components
- Couplings
- Drive Connections
- Cooling Connections
- Exhaust Connections
- Mounting Components
- Associated Hardware
Sterndrive-specific components should be identified separately using the applicable drive model and serial number.
What Marine Applications Use the Yanmar 4LV?
The 4LV family is suitable for a broad range of marine installations, including:
- Motor Yachts
- Cruising Boats
- Recreational Powerboats
- Fast Cruisers
- Sport-Fishing Boats
- Planing-Hull Vessels
- Light Commercial Craft
- Patrol Craft
- Service Craft
- Repower Projects
- New-Build Projects
- Shaft-Drive Installations
- Sterndrive Installations
Yanmar also supports modern joystick-control integration with the 4LV in applicable twin-engine inboard installations.
Which Yanmar 4LV Engine Do I Have?
Start with the complete model designation.
Typical models include:
- Yanmar 4LV150
- Yanmar 4LV170
- Yanmar 4LV195
- Yanmar 4LV230
- Yanmar 4LV250
Sterndrive versions may carry the Z designation.
When requesting Yanmar 4LV Marine Engine Spare Parts, provide:
- Complete engine model
- Engine serial number
- Existing part number
- Component description
- Quantity required
- Rated power
- Shaft-drive or sterndrive configuration
- Marine gear or drive model where applicable
- Vessel-control configuration
- Clear photographs of the existing component
- Delivery country or port
This information is especially important for common-rail injectors, high-pressure fuel pumps, turbochargers, seawater pumps, heat exchangers, electronic controls, sensors, starter motors, alternators, and propulsion-specific components.
Parts Catalogue
Complete Yanmar 4LV Marine Engine Spare Parts Guide
The Yanmar 4LV Marine Engine family combines compact inline four-cylinder construction with common-rail fuel injection, electronic engine management, turbocharging, intercooling, and marine cooling.
The main models include:
- Yanmar 4LV150
- Yanmar 4LV170
- Yanmar 4LV195
- Yanmar 4LV230
- Yanmar 4LV250
Sterndrive versions are also available with the Z designation. Because individual components can vary between engine ratings, serial-number ranges, marine gears, and drive arrangements, spare parts should always be identified against the complete engine information.
Alfa Marine Spare Parts supplies OEM, genuine, aftermarket, and remanufactured Yanmar 4LV marine engine spare parts for maintenance, repairs, fuel-system service, cooling-system work, turbocharger repairs, electrical service, rebuilding, and engine overhaul.
Yanmar 4LV Common-Rail Fuel System Parts
The Yanmar 4LV uses an electronically controlled common-rail direct-injection system.
Available components can include:
- Common-Rail Fuel Injectors
- High-Pressure Fuel Pumps
- Fuel Supply Pumps
- Fuel Rail Components
- Fuel Pressure Sensors
- Pressure-Control Components
- Fuel Filters
- Fuel Filter Elements
- Fuel Filter Housings
- High-Pressure Fuel Pipes
- Low-Pressure Fuel Lines
- Injector Seals
- Injector O-Rings
- Fuel-System Gaskets
- Electronic Fuel-Control Components
Yanmar 4LV Fuel Injector Parts
Each cylinder uses a common-rail fuel injector to deliver the required quantity of fuel at the correct time.
Available injector components can include:
- Complete Common-Rail Injectors
- Remanufactured Injectors
- Injector Seals
- Injector O-Rings
- Injector Washers
- Injector Hardware
- High-Pressure Fuel Pipes
- Associated Common-Rail Components
Fuel-injector problems can contribute to:
- Difficult starting
- Rough idle
- Uneven cylinder operation
- Reduced acceleration
- Loss of engine power
- Increased exhaust smoke
- Increased fuel consumption
- Abnormal combustion
Because common-rail components operate at very high fuel pressures and close tolerances, cleanliness during servicing is particularly important.
Yanmar 4LV High-Pressure Fuel Pump Parts
The high-pressure pump supplies pressurized fuel to the common rail.
Available components can include:
- Complete High-Pressure Fuel Pumps
- Pump Components
- Fuel Connections
- Pressure-Control Components
- Pump Seals
- Pump Gaskets
- Associated Hardware
The correct pump should be identified using the exact 4LV model and engine serial number.
Yanmar 4LV Fuel Filter Components
Clean fuel is important for protecting the high-pressure pump and common-rail injectors.
Available filtration components can include:
- Primary Fuel Filters
- Secondary Fuel Filters
- Fuel Filter Elements
- Fuel Filter Housings
- Water Separators
- Filter Seals
- O-Rings
- Drain Components
Yanmar 4LV Turbocharger Parts
The 4LV family uses turbocharging and intercooling to provide high output from its compact 2.755-liter engine platform.
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
Turbocharger specification can differ between engine ratings, so the model should be confirmed before ordering.
Yanmar 4LV Intercooler Parts
The intercooler reduces the temperature of compressed intake air before it enters the engine.
Available components can include:
- Complete Intercoolers
- Charge-Air Cooler Cores
- Cooler Housings
- End Covers
- Air Connections
- Intake Pipes
- Hoses
- Clamps
- Gaskets
- O-Rings
- Seals
Yanmar 4LV Air Intake Parts
Available air-intake components can include:
- Air Filters
- Air Filter Elements
- Intake Pipes
- Turbocharger Connections
- Intercooler Connections
- Intake Manifold Components
- Air Hoses
- Clamps
- Intake Gaskets
- O-Rings
- Seals
Yanmar 4LV Cylinder Head Parts
The cylinder head is one of the major assemblies of the 4LV engine.
Available components can include:
- Complete Cylinder Heads
- Intake Valves
- Exhaust Valves
- Valve Guides
- Valve Seats
- Valve Springs
- Rocker Components
- Injector Components
- Cylinder Head Gaskets
- Cylinder Head Seals
- Associated Hardware
Yanmar 4LV Piston and Ring Parts
The four piston assemblies convert combustion pressure into mechanical force.
Available components can include:
- Pistons
- Piston Rings
- Piston Pins
- Retaining Components
- Associated Hardware
Piston and ring condition can influence:
- Cylinder compression
- Blow-by
- Oil consumption
- Combustion sealing
- Starting performance
- Engine power
Yanmar 4LV Connecting Rod Parts
Available components can include:
- Connecting Rods
- Connecting Rod Bearings
- Connecting Rod Bushings
- Connecting Rod Bolts
- Associated Hardware
Yanmar 4LV Crankshaft and Bearing Parts
Available 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 4LV Camshaft and Valve Train Parts
Available components can include:
- Camshafts
- Camshaft Bearings
- Timing Components
- Rocker Components
- Intake Valves
- Exhaust Valves
- Valve Guides
- Valve Seats
- Valve Springs
- Associated Hardware
Yanmar 4LV Timing System Parts
Available timing components can include:
- Timing Components
- Camshaft Drive Components
- Crankshaft Drive Components
- Timing Covers
- Timing Cover Gaskets
- Tensioning Components where applicable
- Associated Hardware
Correct timing-system parts should be matched to the applicable engine model and serial number.
Yanmar 4LV Freshwater Cooling System Parts
The freshwater circuit circulates coolant internally through the engine.
Available components can include:
- Freshwater Pumps
- Coolant Pumps
- Thermostats
- Thermostat Housings
- Coolant Pipes
- Coolant Hoses
- Temperature Sensors
- Cooling-System Gaskets
- O-Rings
- Seals
Yanmar 4LV Freshwater Pump Parts
Available freshwater-pump components can include:
- Complete Freshwater Pumps
- Pump Impellers
- Pump Shafts
- Pump Bearings
- Mechanical Seals
- Pump Housings
- Gaskets
- O-Rings
- Associated Hardware
Yanmar 4LV Seawater Pump Parts
The 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 worn impeller, damaged pump, restricted intake, or blockage elsewhere in the raw-water circuit can reduce cooling-water flow.
Yanmar 4LV Heat Exchanger Parts
The heat exchanger allows heat to pass from the engine coolant into the seawater 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
- Freshwater Connections
- Raw-Water Connections
- Associated Hardware
Yanmar 4LV Oil Cooler Parts
Available components can include:
- Complete Oil Coolers
- Oil Cooler Cores
- Oil Cooler Housings
- Oil Cooler Covers
- Oil Connections
- Gaskets
- O-Rings
- Seals
- Associated Hardware
Yanmar 4LV Lubrication System Parts
The lubrication system supplies oil to critical moving components throughout the engine.
Available components can include:
- Engine Oil Pumps
- Oil Filters
- Oil Filter Elements
- Oil Filter Housings
- Oil Coolers
- Oil Pressure Sensors
- Oil Pressure Components
- Oil Lines
- Oil Pipes
- Oil Pan Components
- Oil Seals
- Lubrication-System Gaskets
The system protects components including:
- Crankshaft
- Main Bearings
- Connecting Rod Bearings
- Camshaft
- Valve Train
- Pistons
- Turbocharger
Yanmar 4LV Oil Pump Parts
Available oil-pump components can include:
- Complete Oil Pumps
- Oil Pump Components
- Pump Housings
- Pressure-Regulating Components
- Oil Pump Seals
- Oil Pump Gaskets
- Associated Hardware
Yanmar 4LV Electronic Engine Parts
The 4LV uses electronic engine management.
Depending on engine and vessel configuration, available components can include:
- Engine Control Components
- Fuel Pressure Sensors
- Oil Pressure Sensors
- Coolant Temperature Sensors
- Engine Speed Sensors
- Position Sensors
- Wiring Harnesses
- CAN-Bus Components
- Electrical Connectors
- Monitoring Components
- Control Panels
- Vessel-Control Components
Electronic components should be identified against the exact engine and vessel-control installation.
Yanmar 4LV Vessel Control Components
Depending on installation, available control components can include:
- Control Heads
- Control Panels
- Displays
- Wiring Harnesses
- CAN Communication Components
- Control Modules
- Electronic Connections
- Associated Vessel-Control Components
Yanmar 4LV 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 4LV Exhaust System Parts
Available exhaust components can include:
- Exhaust Manifold Components
- Exhaust Manifold Gaskets
- Turbocharger Connections
- Exhaust Mixing Elbows
- Exhaust Pipes
- Exhaust Cooling Components
- Marine Exhaust Connections
- Exhaust Seals
- Mounting Hardware
Yanmar 4LV 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 4LV Overhaul Kits and Rebuild Parts
A major Yanmar 4LV engine overhaul can require components from several engine systems.
Available overhaul 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
- Gasket Sets
- Seal Kits
- Freshwater Pumps
- Seawater Pumps
- Oil Pumps
- Turbocharger Components
- Cooling-System Components
Depending on engine condition and availability, major replacement components can also include:
- Crankshafts
- Camshafts
- Connecting Rods
- Complete Cylinder Heads
- Turbochargers
- Intercoolers
- Heat Exchangers
- High-Pressure Fuel Pumps
- Common-Rail Components
- Electronic Engine Components
Yanmar 4LV Routine Maintenance Parts
Routine maintenance requirements can involve:
- Engine Oil Filters
- Fuel Filters
- Air Filters
- Water Separators
- Seawater Pump Impellers
- Thermostats
- Drive Belts
- Gaskets
- O-Rings
- Seals
- Cooling-System Components
Maintenance intervals should be based on the applicable Yanmar operation manual for the specific engine and operating conditions.
Yanmar 4LV Shaft-Drive Parts
For shaft-drive installations, engine-related components can include:
- Marine Gear Connections
- Flywheel Components
- Couplings
- Bell Housing Components
- Engine Mounts
- Cooling Connections
- Exhaust Connections
- Associated Hardware
Marine transmission components should be identified using the transmission model and serial number separately from the engine.
Yanmar 4LV Sterndrive Parts
The 4LV family also includes sterndrive configurations such as:
- Yanmar 4LV150Z
- Yanmar 4LV170Z
- Yanmar 4LV195Z
- Yanmar 4LV230Z
- Yanmar 4LV250Z
Depending on installation, components can include:
- Engine-to-Sterndrive Connections
- Bell Housing Components
- Coupling Components
- Cooling Connections
- Exhaust Connections
- Mounting Components
- Associated Hardware
Sterndrive-specific parts should be identified using the drive model and serial number.
OEM, Genuine, Aftermarket and Remanufactured Yanmar 4LV Parts
Different supply options can be available depending on the component.
Genuine and OEM Parts
OEM and genuine components can be supplied where available for:
- Routine maintenance
- Fuel-system service
- Cooling-system repairs
- Turbocharger repairs
- Electrical repairs
- Internal engine repairs
- Engine overhaul
Aftermarket Yanmar 4LV Parts
Depending on application and availability, aftermarket replacement components can include:
- Filters
- Gaskets
- Seals
- Bearings
- Cooling Components
- Maintenance Components
- Selected Internal Engine Components
- Overhaul Components
Remanufactured Yanmar 4LV Parts
Depending on availability, remanufactured options can include:
- Common-Rail Injectors
- Turbochargers
- Cylinder Head Components
- Starter Motors
- Alternators
- Other major components
Who Do We Supply?
Alfa Marine Spare Parts supplies Yanmar 4LV marine engine spare parts to:
- Shipyards
- Ship Repairers
- Marine Engineers
- Chief Engineers
- Technical Superintendents
- Fleet Operators
- Marine Service Companies
- Yacht Service Companies
- Commercial Fishing Companies
- Offshore Operators
- Government Fleets
- Maritime Contractors
- Boat Builders
- Marine Equipment Distributors
- Workboat Operators
- Commercial Vessel Operators
Yanmar 4LV Marine Applications
Parts can be supplied for engines installed in:
- Motor Yachts
- Cruising Boats
- Sport-Fishing Boats
- Recreational Powerboats
- Fast Cruisers
- Planing-Hull Vessels
- Patrol Craft
- Service Craft
- Light Commercial Vessels
- Repower Projects
- New-Build Projects
- Shaft-Drive Installations
- Sterndrive Installations
Worldwide Yanmar 4LV Spare Parts Supply
Alfa Marine Spare Parts supplies Yanmar 4LV marine engine spare parts worldwide, supporting customers in major marine markets including Spain, Italy, Monaco, France, the Netherlands, Germany, the United Kingdom, Nigeria, Dubai and the UAE, Miami, Florida, Texas, Toronto, the Caribbean, South America, and other international ports and maritime regions.
Supply can support urgent repairs, planned maintenance, engine rebuilding, repower projects, and overhaul requirements.
Yanmar 4LV Marine Parts Supplier in Europe
Alfa Marine Spare Parts supplies Yanmar 4LV marine engine spare parts in Europe for maintenance and repair requirements involving:
- Common-Rail Injectors
- High-Pressure Fuel Pumps
- Turbochargers
- Intercoolers
- Cylinder Heads
- Pistons
- Connecting Rods
- Crankshaft Components
- Main Bearings
- Connecting Rod Bearings
- Freshwater Pumps
- Seawater Pumps
- Heat Exchangers
- Oil Pumps
- Oil Coolers
- Sensors
- Electrical Components
- Gaskets
- Seals
- Overhaul Components
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Why Choose Alfa Marine Spare Parts for Yanmar 4LV Marine Engine Spare Parts?
The Yanmar 4LV Marine Engine is a compact inline four-cylinder, four-stroke marine diesel family used in recreational, cruising, repower, performance, and selected light-commercial applications.
The family includes:
- Yanmar 4LV150
- Yanmar 4LV170
- Yanmar 4LV195
- Yanmar 4LV230
- Yanmar 4LV250
These engines combine common-rail direct injection, turbocharging, intercooling, electronic engine management, and marine cooling systems in a compact package.
Alfa Marine Spare Parts supplies OEM, genuine, aftermarket, and remanufactured Yanmar 4LV marine engine spare parts for scheduled maintenance, fuel-system repairs, cooling-system service, turbocharger work, electrical repairs, rebuilding, and overhaul requirements.
Yanmar 4LV Parts for Marine Maintenance and Repair
The supply range can cover components for:
- Common-Rail Fuel System
- Fuel Injectors
- High-Pressure Fuel Pumps
- Turbocharger System
- Intercooler System
- Cylinder Head
- Pistons
- Connecting Rods
- Crankshaft and Bearings
- Camshaft and Valve Train
- Freshwater Cooling System
- Seawater Cooling System
- Heat Exchanger
- Lubrication System
- Exhaust System
- Electronic Engine Management
- Vessel-Control Components
- Starting and Charging System
- Gaskets and Seals
- Engine Overhaul
Yanmar 4LV Common-Rail Fuel System Parts
The Yanmar 4LV uses electronically controlled common-rail direct injection.
Available fuel-system components can include:
- Common-Rail Fuel Injectors
- High-Pressure Fuel Pumps
- Fuel Supply Pumps
- Fuel Rail Components
- Fuel Pressure Sensors
- Pressure-Control Components
- Primary Fuel Filters
- Secondary Fuel Filters
- Fuel Filter Housings
- High-Pressure Fuel Pipes
- Low-Pressure Fuel Lines
- Injector Seals
- Injector O-Rings
- Fuel-System Gaskets
- Electronic Fuel-Control Components
Yanmar 4LV Fuel Injector Parts
The four injectors meter and deliver fuel into the cylinders.
Available components can include:
- Complete Common-Rail Injectors
- Remanufactured Injectors
- Injector Seals
- Injector O-Rings
- Injector Washers
- Injector Hardware
- High-Pressure Fuel Pipes
- Associated Common-Rail Components
Injector condition can influence:
- Starting performance
- Idle quality
- Acceleration
- Engine power
- Fuel consumption
- Cylinder balance
- Exhaust smoke
- Combustion quality
Yanmar 4LV High-Pressure Fuel Pump Parts
The high-pressure fuel pump supplies pressurized fuel to the common rail.
Available components can include:
- Complete High-Pressure Fuel Pumps
- Pump Components
- Pressure-Control Components
- Fuel Connections
- Pump Seals
- Gaskets
- Associated Hardware
The correct pump should be matched to the exact 4LV150, 4LV170, 4LV195, 4LV230, or 4LV250 engine.
Yanmar 4LV Turbocharger Parts
The Yanmar 4LV uses turbocharging to increase the mass of intake air supplied to the cylinders.
Available 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
Turbocharger specification can differ between power ratings.
Yanmar 4LV Intercooler Parts
The intercooler reduces the temperature of compressed intake air before it enters the cylinders.
Available components can include:
- Complete Intercoolers
- Charge-Air Cooler Cores
- Cooler Housings
- End Covers
- Intake Pipes
- Air Connections
- Hoses
- Clamps
- Gaskets
- O-Rings
- Seals
Yanmar 4LV Cylinder Head Parts
Available cylinder-head components can include:
- Complete Cylinder Heads
- Intake Valves
- Exhaust Valves
- Valve Guides
- Valve Seats
- Valve Springs
- Rocker Components
- Injector Components
- Cylinder Head Gaskets
- Cylinder Head Seals
- Associated Hardware
Yanmar 4LV Piston Parts
The engine contains four piston assemblies.
Available components can include:
- Pistons
- Piston Rings
- Piston Pins
- Retaining Components
- Associated Hardware
Piston condition can influence:
- Compression
- Combustion sealing
- Blow-by
- Oil consumption
- Engine output
- Overall engine performance
Yanmar 4LV Connecting Rod Parts
Available components can include:
- Connecting Rods
- Connecting Rod Bearings
- Connecting Rod Bushings
- Connecting Rod Bolts
- Associated Hardware
Yanmar 4LV Crankshaft and Bearing Parts
Available 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 4LV Camshaft and Valve Train Parts
Available components can include:
- Camshafts
- Camshaft Bearings
- Timing Components
- Rocker Components
- Intake Valves
- Exhaust Valves
- Valve Guides
- Valve Seats
- Valve Springs
- Associated Hardware
Yanmar 4LV Freshwater Cooling Parts
The freshwater cooling circuit circulates coolant through the engine.
Available components can include:
- Freshwater Pumps
- Coolant Pumps
- Thermostats
- Thermostat Housings
- Coolant Pipes
- Coolant Hoses
- Temperature Sensors
- Cooling-System Gaskets
- O-Rings
- Seals
Yanmar 4LV Seawater Pump Parts
The seawater pump circulates raw water through the marine cooling circuit.
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
The exact seawater pump should be matched to the engine and marine installation.
Yanmar 4LV Heat Exchanger Parts
Available components can include:
- Complete Heat Exchangers
- Heat Exchanger Cores
- Heat Exchanger Housings
- End Covers
- End Caps
- Gaskets
- O-Rings
- Seals
- Freshwater Connections
- Raw-Water Connections
- Associated Hardware
Yanmar 4LV Oil Cooler Parts
Available components can include:
- Complete Oil Coolers
- Oil Cooler Cores
- Oil Cooler Housings
- Oil Cooler Covers
- Oil Connections
- Gaskets
- O-Rings
- Seals
- Associated Hardware
Yanmar 4LV Lubrication Parts
Available lubrication-system components can include:
- Engine Oil Pumps
- Oil Filters
- Oil Filter Elements
- Oil Filter Housings
- Oil Coolers
- Oil Pressure Sensors
- Oil Pressure Components
- Oil Lines
- Oil Pipes
- Oil Pan Components
- Oil Seals
- Lubrication-System Gaskets
The lubrication system protects components including the crankshaft, bearings, camshaft, valve train, pistons, and turbocharger.
Yanmar 4LV Electronic Engine Components
The Yanmar 4LV uses electronic engine management.
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
- CAN-Bus Components
- Electrical Connectors
- Monitoring Components
- Control Panels
- Vessel-Control Components
Electronic parts should be matched to the exact engine model and vessel-control configuration.
Yanmar 4LV 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 4LV Exhaust Parts
Available exhaust-system components can include:
- Exhaust Manifold Components
- Exhaust Manifold Gaskets
- Turbocharger Connections
- Exhaust Mixing Elbows
- Exhaust Pipes
- Exhaust Cooling Components
- Marine Exhaust Connections
- Exhaust Seals
- Mounting Hardware
Yanmar 4LV 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 4LV Overhaul Components
A major Yanmar 4LV overhaul can involve components from several engine systems.
Available overhaul 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
- Gasket Sets
- Seal Kits
- Freshwater Pumps
- Seawater Pumps
- Oil Pumps
- Turbocharger Components
- Cooling-System Components
Depending on engine condition and parts availability, major replacement components can also include:
- Crankshafts
- Camshafts
- Connecting Rods
- Complete Cylinder Heads
- Turbochargers
- Intercoolers
- Heat Exchangers
- High-Pressure Fuel Pumps
- Common-Rail Components
- Electronic Engine Components
OEM, Genuine, Aftermarket and Remanufactured Yanmar 4LV Parts
Different supply options can be available depending on the component.
OEM and Genuine Parts
OEM and genuine components can be supplied where available for:
- Routine maintenance
- Fuel-system repairs
- Cooling-system repairs
- Turbocharger work
- Electrical repairs
- Internal engine repairs
- Major overhaul requirements
Aftermarket Yanmar 4LV Parts
Depending on application and availability, aftermarket replacement components can include:
- Filters
- Gaskets
- Seals
- Bearings
- Cooling-System Components
- Maintenance Parts
- Selected Internal Engine Components
- Overhaul Components
Remanufactured Yanmar 4LV Parts
Depending on availability, remanufactured options can include:
- Common-Rail Injectors
- Turbochargers
- Cylinder Head Components
- Starter Motors
- Alternators
- Other major engine components
Who Do We Supply?
Alfa Marine Spare Parts supplies Yanmar 4LV marine engine spare parts to:
- Shipyards
- Ship Repairers
- Marine Engineers
- Chief Engineers
- Technical Superintendents
- Fleet Operators
- Marine Service Companies
- Yacht Service Companies
- Commercial Fishing Companies
- Offshore Operators
- Government Fleets
- Maritime Contractors
- Boat Builders
- Marine Equipment Distributors
- Workboat Operators
- Commercial Vessel Operators
Marine Applications Supported
Yanmar 4LV components can be supplied for:
- Motor Yachts
- Cruising Boats
- Sport-Fishing Boats
- Recreational Powerboats
- Fast Cruisers
- Planing-Hull Vessels
- Patrol Craft
- Service Craft
- Light Commercial Vessels
- Repower Projects
- New-Build Projects
- Shaft-Drive Installations
- Sterndrive Installations
Worldwide Yanmar 4LV Spare Parts Supply
Alfa Marine Spare Parts supplies Yanmar 4LV marine engine spare parts worldwide.
Europe
Including:
- Spain
- Italy
- Monaco
- France
- Netherlands
- Belgium
- Germany
- Norway
- United Kingdom
United States and Canada
Including:
- Miami
- Fort Lauderdale
- Houston
- Texas
- New Orleans
- New York
- Toronto
- Vancouver
Middle East
Including:
- Dubai
- Abu Dhabi
- UAE
- Qatar
- Saudi Arabia
- Oman
Africa
Including:
- Nigeria
- Lagos
- Port Harcourt
- South Africa
- Ghana
- Kenya
Supply is also available throughout South America, the Caribbean, Asia-Pacific, and other major maritime regions.
Yanmar 4LV Marine Parts Supplier in Europe
Alfa Marine Spare Parts supplies Yanmar 4LV marine engine spare parts in Europe for maintenance, fuel-system service, turbocharger repair, cooling-system work, electrical repairs, rebuilding, and overhaul requirements.
The available supply range can cover common-rail injectors, high-pressure fuel pumps, turbochargers, intercoolers, cylinder heads, pistons, crankshaft components, bearings, freshwater pumps, seawater pumps, heat exchangers, oil-system components, sensors, electronic components, gaskets, seals, and overhaul parts.
Parts Identification for the Yanmar 4LV
Accurate identification is important because the 4LV family contains different power ratings and propulsion configurations.
Useful information includes:
- Complete engine model
- Engine serial number
- Existing part number
- Component description
- Quantity required
- Rated power
- Shaft-drive or sterndrive configuration
- Marine gear or drive model where applicable
- Vessel-control configuration
- Clear photographs of the existing component
- Delivery destination
Typical models include:
- 4LV150
- 4LV170
- 4LV195
- 4LV230
- 4LV250
Sterndrive versions can use the Z designation.
For common-rail injectors, high-pressure fuel pumps, turbochargers, electronic components, seawater pumps, heat exchangers, and other configuration-dependent components, complete engine and installation information can be required to identify the correct replacement.
Why Alfa Marine Spare Parts?
Alfa Marine Spare Parts supports marine professionals sourcing Yanmar 4LV marine engine spare parts, from routine maintenance components to common-rail fuel-system, turbocharger, cooling, internal engine, and electronic parts.
The supply range can cover injectors, high-pressure fuel pumps, turbochargers, intercoolers, cylinder heads, pistons, crankshaft components, bearings, freshwater pumps, seawater pumps, heat exchangers, electrical components, gaskets, seals, and overhaul components for marine applications worldwide.
Faqs
Contact and Request Information
For Yanmar 4LV Marine Engine Spare Parts, send your request to:
Email: request@alfamarinespareparts.com
For parts identification and quotation requests, include where available:
- Complete Yanmar 4LV engine model
- Engine serial number
- Existing part number
- Part name or description
- Quantity required
- Rated power
- Shaft-drive or sterndrive configuration
- Marine gear or sterndrive model where applicable
- Vessel-control configuration
- Clear photographs of the existing component
- Vessel or application information where applicable
- Delivery country or port
Common Yanmar 4LV models include:
- Yanmar 4LV150
- Yanmar 4LV170
- Yanmar 4LV195
- Yanmar 4LV230
- Yanmar 4LV250
- Yanmar 4LV150Z
- Yanmar 4LV170Z
- Yanmar 4LV195Z
- Yanmar 4LV230Z
- Yanmar 4LV250Z
Requests can cover OEM, genuine, aftermarket, and remanufactured Yanmar 4LV marine engine spare parts, including:
- Common-Rail Fuel Injectors
- High-Pressure Fuel Pumps
- Fuel-System Components
- Turbochargers
- Intercoolers
- Cylinder Heads
- Pistons
- Piston Rings
- Connecting Rods
- Main Bearings
- Connecting Rod Bearings
- Crankshaft Components
- Camshaft Components
- Freshwater Pumps
- Seawater Pumps
- Raw-Water Pump Impellers
- Heat Exchangers
- Oil Pumps
- Oil Coolers
- Thermostats
- Sensors
- Starter Motors
- Alternators
- Electronic Engine Components
- Gaskets
- Seals
- Overhaul Components
Alfa Marine Spare Parts supplies Yanmar 4LV marine engine spare parts worldwide for scheduled maintenance, repairs, fuel-system service, cooling-system work, turbocharger service, rebuilding, repower projects, and engine overhaul requirements.