Doosan L086TI Marine Engine Spare Part
The Doosan L086TI marine engine is a turbocharged and intercooled inline six-cylinder diesel engine developed for commercial marine propulsion applications.
The L086TI is an important engine within Doosan’s 8-liter marine diesel range because it combines a relatively compact inline-six design with mechanical engine control, turbocharging and charge-air cooling.
For vessel operators and repair companies, however, finding parts for an older L086TI is not simply a matter of searching the engine model.
Many engines have already undergone years of maintenance, component replacement or complete overhaul.
That means the safest method for identifying replacement components is:
Engine Model + Engine Serial Number + Existing Part Number + Clear Photographs
Alfa Marine Spare Parts supports Doosan L086TI Marine Engine Spare Parts requirements for scheduled maintenance, engine repair and complete overhaul.
Depending on component and availability, supply options can include genuine components, OEM-quality parts, selected aftermarket alternatives and professionally rebuilt or remanufactured components.
1. What Is the Doosan L086TI Marine Engine?
The Doosan L086TI is an inline six-cylinder, four-stroke marine diesel engine with:
- Turbocharging
- Intercooling / Charge-Air Cooling
- Mechanical Engine Control
- Direct Diesel Injection
- Water Cooling
Its combination of turbocharging and intercooling allows the engine to produce substantially more power than a naturally aspirated diesel of similar displacement.
The engine has been used for applications such as:
- Passenger Boats
- Fishing Vessels
- Fishing Excursion Boats
- Commercial Workboats
- Utility Craft
- Other Commercial Marine Propulsion Applications
2. Doosan L086TI Technical Information
Typical manufacturer specifications for the Doosan L086TI marine propulsion engine include:
Technical InformationDoosan L086TIEngine ModelL086TIEngine ConfigurationInline 6-CylinderOperating CycleFour-Stroke DieselDisplacementApprox. 8.1 LitersAspirationTurbocharged & IntercooledEngine ControlMechanicalCoolingWater CooledPower RangeApprox. 210–265 kWApprox. Power285–360 PSSpeed RangeApprox. 2,100–2,500 rpmEmissionsIMO Tier IITypical ApplicationCommercial Marine Propulsion
The exact output, rated speed and equipment arrangement should always be confirmed against the individual engine identification.
For spare-parts ordering, the actual Engine Serial Number and currently installed component information should take priority over general specification tables. (hd-hyundaiengine.com)
3. What Does “TI” Mean on the Doosan L086TI?
The TI designation identifies a turbocharged and intercooled engine configuration.
In practical terms, the engine uses:
Turbocharger → Compressed Air → Intercooler → Engine
The turbocharger compresses the intake air.
Compressing air also increases its temperature.
The intercooler helps remove some of that heat before the charge air reaches the cylinders.
This means the L086TI has additional components compared with a simpler naturally aspirated diesel engine.
These can include:
- Turbocharger
- Turbocharger Oil Supply
- Turbocharger Oil Drain
- Charge-Air Cooler / Intercooler
- Charge-Air Pipes
- Intake Hoses
- Turbocharger Gaskets
- Intercooler Gaskets
- Charge-Air Seals
- Additional Cooling Connections
4. Where Is the Doosan L086TI Used?
The L086TI is designed for marine propulsion applications where relatively high output is required from an inline six-cylinder engine.
Typical installations can include:
- Fishing Vessels
- Commercial Fishing Boats
- Passenger Boats
- Fishing Excursion Boats
- Workboats
- Utility Vessels
- Commercial Craft
These engines can operate for long periods under sustained load.
That makes the condition of the following systems particularly important:
- Fuel System
- Turbocharger
- Intercooler
- Raw-Water Cooling
- Freshwater Cooling
- Heat Exchanger
- Lubrication System
- Exhaust System
5. What Doosan L086TI Spare Parts Can Be Required?
Depending on engine condition and repair requirements, spare parts can include:
Fuel-System Parts
- Fuel Injectors
- Injector Nozzles
- Injection Pump Components
- Fuel Filters
- Fuel Supply Components
- Fuel Pipes
- Fuel Connections
- Injector Seals
- Pump Seals
- Gaskets
- O-Rings
Turbocharger Parts
- Complete Turbochargers
- Turbocharger Cartridges
- Compressor Components
- Turbine Components
- Turbocharger Bearings
- Turbocharger Seals
- Oil Feed Components
- Oil Drain Components
- Turbocharger Gaskets
- Mounting Hardware
Intercooler & Charge-Air Parts
- Complete Intercoolers
- Charge-Air Cooler Cores
- Cooler Housings
- End Covers
- Charge-Air Pipes
- Intake Hoses
- Air Connections
- Cooling-Water Connections
- Gaskets
- O-Rings
- Seals
Cooling-System Parts
- Freshwater Pumps
- Raw-Water Pumps
- Pump Impellers
- Thermostats
- Thermostat Housings
- Heat Exchangers
- Cooling Pipes
- Cooling Hoses
- Mechanical Seals
- Gaskets
- O-Rings
Lubrication-System Parts
- Engine Oil Pumps
- Oil Pump Components
- Engine Oil Filters
- Oil Pressure Components
- Turbocharger Oil Lines
- Oil Seals
- Front Crankshaft Seals
- Rear Crankshaft Seals
Cylinder Head & Valve Components
- Complete Cylinder Heads
- Cylinder Head Gaskets
- Intake Valves
- Exhaust Valves
- Valve Guides
- Valve Seats
- Valve Springs
- Rocker Components
- Valve Cover Gaskets
Internal Engine Parts
- Pistons
- Piston Rings
- Piston Pins
- Cylinder Components
- Connecting Rods
- Main Bearings
- Connecting Rod Bearings
- Thrust Components
- Crankshaft Components
- Camshaft Components
Electrical Components
- Starter Motors
- Starter Solenoids
- Alternators
- Charging Components
- Electrical Connections
6. Why Is Correct Doosan L086TI Parts Identification Important?
Consider a request saying:
“Need Doosan L086TI turbocharger.”
That is a useful starting point.
But an older engine may already have had its original turbocharger replaced.
The currently installed turbocharger may have been:
- Replaced
- Reconditioned
- Rebuilt
- Changed During an Overhaul
- Replaced With a Compatible Alternative
Before supplying another unit, identify the turbocharger currently installed.
The same principle applies to:
- Fuel Injectors
- Injection Pump
- Intercooler
- Freshwater Pump
- Raw-Water Pump
- Heat Exchanger
- Starter Motor
- Alternator
7. What Information Should I Send for Doosan L086TI Parts?
Provide:
- Complete Doosan L086TI Engine Model
- Engine Serial Number
- Photograph of Engine Identification Plate
- Existing Part Number
- Component Manufacturer Number
- Casting Number Where Available
- Clear Photographs
- Quantity Required
- Vessel Application
- Delivery Country or Port
For turbochargers, intercoolers, pumps, starter motors and alternators, identification directly from the existing component is particularly useful.
8. What Information Should I Send for an L086TI Turbocharger?
Provide:
- Engine Model
- Engine Serial Number
- Turbocharger Manufacturer
- Turbocharger Model
- Turbocharger Part Number
- Identification Plate Photograph
- Compressor-Side Photograph
- Turbine-Side Photograph
- Oil Feed Connection
- Oil Drain Connection
- Exhaust Connection
Do not rely only on:
“Turbo for L086TI.”
The turbocharger identification number can significantly improve parts matching.
9. What Information Should I Send for an L086TI Intercooler?
Provide:
- Complete Engine Model
- Engine Serial Number
- Existing Intercooler Number
- Casting Numbers
- Complete Intercooler Photograph
- Air Inlet and Outlet Views
- Cooling-Water Connections
- Mounting Arrangement
- Overall Dimensions Where Necessary
This becomes especially useful on engines that have already undergone previous repairs.
10. What If the Existing L086TI Part Number Cannot Be Read?
This is common on older marine engines.
Identification plates can become:
- Corroded
- Painted Over
- Scratched
- Oil Covered
- Heat Damaged
- Partially Missing
- Difficult to Read
Do not discard the original component.
Photograph:
- Complete Component
- Front
- Rear
- Both Sides
- Mounting Arrangement
- Fuel Connections
- Air Connections
- Oil Connections
- Cooling Connections
- Electrical Connections
- Casting Numbers
- Remaining Identification Marks
Several small details together can sometimes identify a component even when one number cannot be read.
11. Doosan L086TI Fuel Injector Parts
Potential requirements can include:
- Complete Fuel Injectors
- Injector Nozzles
- Injector Seals
- Injector Hardware
- Related Fuel Components
Possible symptoms of injector problems include:
- Difficult Starting
- Rough Idle
- Uneven Running
- Increased Exhaust Smoke
- Reduced Power
- Increased Fuel Consumption
- Abnormal Combustion Noise
But these symptoms do not prove that an injector has failed.
12. One L086TI Cylinder Is Weak — Is the Injector Responsible?
Possibly.
But first investigate the complete cylinder.
Check:
- Injector Condition
- Fuel Delivery
- Injection Pump Operation
- Compression
- Intake Valve Condition
- Exhaust Valve Condition
- Piston Rings
- Cylinder Condition
One weak cylinder can contribute to:
- Rough Running
- Increased Vibration
- Reduced Power
- Increased Smoke
- Poor Load Response
- Uneven Exhaust Temperature
Replacing an injector will not correct mechanical compression loss.
13. Doosan L086TI Injection Pump Parts
Potential requirements can include:
- Complete Injection Pump Where Applicable
- Injection Pump Components
- Fuel Supply Components
- Pump Seals
- Fuel Pipes
- Fuel Connections
- Gaskets
- O-Rings
Identification from the injection equipment currently installed should be supplied whenever possible.
14. Why Does the Doosan L086TI Lose Power Under Load?
An engine can start normally.
It can idle smoothly.
It can sound completely healthy at low speed.
Then the vessel gets underway and the engine cannot develop normal power.
Possible causes include:
- Restricted Fuel Filter
- Poor Fuel Supply
- Air Entering the Fuel System
- Injector Problems
- Injection Pump Problems
- Restricted Air Filter
- Intake Restriction
- Charge-Air Leakage
- Intercooler Fouling
- Turbocharger Problems
- Exhaust Leakage
- Exhaust Restriction
- Low Compression
- Excessive Propeller Load
- Propeller Fouling
- Hull Fouling
The fact that the problem appears under load is useful diagnostic information.
15. Why Should the Fuel Filter Be Checked Before Expensive Fuel Repairs?
A partially restricted filter may still pass enough fuel for:
- Starting
- Idling
- Low-Speed Operation
When engine load increases, fuel demand increases.
The restriction becomes more significant.
The engine may:
- Lose RPM
- Respond Slowly
- Smoke
- Struggle Under Load
- Fail to Reach Normal Power
Start with basic fuel-supply checks before replacing expensive injection equipment.
16. Doosan L086TI Turbocharger Parts
Potential requirements can include:
- Complete Turbochargers
- Turbocharger Cartridges
- Compressor Wheels
- Turbine Components
- Bearings
- Seals
- Oil Supply Components
- Oil Drain Components
- Intake Connections
- Exhaust Connections
- Turbocharger Gaskets
- Mounting Hardware
17. What Are Possible Signs of an L086TI Turbocharger Problem?
Possible symptoms include:
- Reduced Boost
- Reduced Engine Power
- Slow Load Response
- Black Smoke
- Increased Exhaust Temperature
- Abnormal Turbocharger Noise
- Oil Leakage
- Increased Oil Consumption
However, similar symptoms can be produced by other systems.
18. Does Black Smoke Mean the L086TI Turbocharger Has Failed?
No.
Black smoke can also result from:
- Restricted Air Filter
- Intake Restriction
- Charge-Air Leakage
- Intercooler Fouling
- Exhaust Leakage
- Injector Problems
- Injection Pump Problems
- Low Compression
- Excessive Engine Load
The turbocharger should therefore be tested as part of the complete air and fuel system.
19. Why Can an L086TI Turbocharger Lose Performance Gradually?
Turbocharger deterioration is not always sudden.
Performance can slowly decline because of:
- Compressor Fouling
- Turbine Fouling
- Bearing Wear
- Oil Contamination
- Intake Restriction
- Exhaust Leakage
- Exhaust Restriction
The engine may continue operating while boost gradually decreases.
This can show up as:
- Slower Acceleration
- More Smoke
- Higher Exhaust Temperature
- Reduced Maximum Power
20. Why Is Turbocharger Oil Supply Important?
The turbocharger rotates at extremely high speed.
Its bearing system depends on reliable lubrication.
Restricted or contaminated oil supply can contribute to:
- Bearing Wear
- Shaft Damage
- Overheating
- Oil Leakage
- Turbocharger Failure
Whenever turbocharger damage occurs, inspect the oil supply system.
21. Why Is the Turbocharger Oil Drain Important?
Oil must leave the turbocharger freely after lubricating the bearing housing.
A restricted oil drain can contribute to:
- Oil Leakage
- Carbon Deposits
- Seal Problems
- Bearing Problems
Turbocharger lubrication should therefore be considered as:
Clean Oil Supply → Turbocharger Bearings → Unrestricted Oil Drain
22. What Should Be Checked Before Installing a Replacement L086TI Turbocharger?
If the existing turbocharger failed, ask:
Why did it fail?
Inspect:
- Engine Oil Condition
- Turbocharger Oil Supply
- Turbocharger Oil Drain
- Air Filter
- Intake System
- Foreign-Object Damage
- Intercooler Condition
- Charge-Air System
- Exhaust Restriction
- Exhaust Leakage
- Excessive Exhaust Temperature
Installing another turbocharger without correcting the original cause can result in repeated failure.
23. Doosan L086TI Intercooler Parts
Potential requirements can include:
- Complete Intercoolers
- Charge-Air Cooler Cores
- Cooler Housings
- End Covers
- Charge-Air Connections
- Cooling-Water Connections
- Gaskets
- O-Rings
- Seals
- Mounting Components
24. What Does the L086TI Intercooler Do?
The turbocharger compresses intake air.
Compression raises the air temperature.
The intercooler helps cool this compressed air before it enters the engine.
The airflow is approximately:
Air Filter → Turbocharger → Hot Compressed Air → Intercooler → Cooler Charge Air → Engine
This makes intercooler condition important for engine performance.
25. What Can Cause L086TI Intercooler Problems?
Possible causes include:
- Oil Contamination
- Air-Side Fouling
- Salt Deposits
- Scale
- Corrosion
- Restricted Cooling Water
- Damaged Seals
- Charge-Air Leakage
The air side and cooling side should both be considered.
26. What Are Possible Signs of an L086TI Intercooler Problem?
Possible symptoms include:
- Reduced Power
- Black Smoke
- Poor Load Response
- Higher Exhaust Temperature
- Higher Charge-Air Temperature
- Increased Fuel Consumption
- Cooling-Water Leakage Where Applicable
A restricted intercooler can make a healthy turbocharger appear weak.
27. Why Should L086TI Charge-Air Connections Be Checked?
The boosted air must travel from the turbocharger through the intercooler and into the engine without significant leakage.
Inspect:
- Charge-Air Hoses
- Pipes
- Clamps
- Gaskets
- Connections
- Intercooler Seals
Leaks can contribute to:
- Reduced Boost
- Reduced Power
- Black Smoke
- Poor Acceleration
- Increased Exhaust Temperature
Sometimes the problem is simply a damaged hose or loose connection.
28. Doosan L086TI Exhaust-System Parts
Potential requirements can include:
- Exhaust Manifold Components
- Turbocharger Exhaust Connections
- Exhaust Gaskets
- Exhaust Seals
- Mounting Hardware
- Water-Cooled Exhaust Components Where Applicable
29. What Does Soot Around the L086TI Exhaust Manifold Mean?
Soot around a joint can indicate exhaust leakage.
Possible causes include:
- Failed Exhaust Gasket
- Loose Fasteners
- Cracked Manifold
- Damaged Flange
- Distorted Sealing Surface
If the leak occurs before the turbocharger, turbocharger performance can also be affected.
30. Why Can an Exhaust Leak Reduce L086TI Boost?
The turbocharger turbine is driven by exhaust energy.
If exhaust gas escapes before reaching the turbine, less energy is available to drive the turbocharger.
Possible results include:
- Reduced Boost
- Slow Turbo Response
- Black Smoke
- Reduced Power
An exhaust leak is therefore more than simply a noise problem.
31. Doosan L086TI Cooling-System Parts
Potential requirements can include:
- Freshwater Pumps
- Raw-Water Pumps
- Thermostats
- Heat Exchangers
- Intercooler Cooling Components
- Cooling Pipes
- Cooling Hoses
- Pump Impellers
- Mechanical Seals
- Gaskets
- O-Rings
32. Why Is My Doosan L086TI Overheating?
Possible causes include:
- Low Coolant Level
- Coolant Leakage
- Thermostat Problems
- Freshwater Pump Wear
- Restricted Cooling Passages
- Heat Exchanger Fouling
- Intercooler Cooling Restriction
- Reduced Raw-Water Flow
- Restricted Sea Strainer
- Damaged Raw-Water Pump Impeller
- Restricted Cooling Hoses
- Excessive Engine Load
The complete cooling system should be investigated.
33. Why Does the L086TI Overheat Mainly Under Load?
At idle, heat production is relatively low.
Under propulsion load:
Fuel Delivery Increases → Boost Increases → Combustion Increases → Heat Production Increases
The turbocharger and intercooler system also add to the cooling demand.
A marginal cooling system may therefore appear healthy at idle and struggle when the vessel is working.
34. Doosan L086TI Freshwater Pump Parts
Potential requirements can include:
- Complete Freshwater Pumps
- Pump Housings
- Pump Shafts
- Bearings
- Mechanical Seals
- Impellers
- Gaskets
- O-Rings
A pump does not necessarily have to leak before its performance deteriorates.
35. Can an L086TI Freshwater Pump Be Worn Without Leaking?
Yes.
Possible internal problems include:
- Impeller Wear
- Impeller Damage
- Internal Corrosion
- Bearing Wear
- Reduced Pumping Efficiency
If operating temperature starts increasing, coolant circulation deserves investigation even if the pump remains externally dry.
36. Doosan L086TI Raw-Water Pump Parts
Depending on the marine installation, potential requirements can include:
- Complete Raw-Water Pumps
- Flexible Impellers Where Applicable
- Pump Covers
- Pump Shafts
- Bearings
- Mechanical Seals
- Gaskets
- O-Rings
37. Are All Doosan L086TI Raw-Water Pumps the Same?
Do not assume so.
The installed pump can depend on:
- Exact Engine Configuration
- Vessel Installation
- Cooling-System Arrangement
- Previous Repairs
- Previous Modifications
For identification, provide:
- Engine Serial Number
- Existing Pump Number
- Pump Manufacturer
- Photographs
- Mounting Arrangement
- Hose Connections
38. What If L086TI Raw-Water Flow Starts to Drop?
Inspect the complete flow path:
Sea Intake → Sea Strainer → Raw-Water Pump → Heat Exchanger / Intercooler → Exhaust Cooling
Possible problems include:
- Marine Growth
- Debris
- Blocked Sea Strainer
- Worn Pump
- Damaged Impeller
- Restricted Hose
- Cooler Fouling
39. What If Raw-Water Pump Impeller Blades Are Missing?
Do not simply install another impeller.
Missing pieces may have travelled downstream.
Inspect:
- Pump Outlet
- Seawater Hoses
- Heat Exchanger Inlet
- Heat Exchanger Passages
- Intercooler Cooling Passages
Old impeller fragments can continue restricting seawater flow even after the pump has been repaired.
40. Doosan L086TI Heat Exchanger Parts
Potential requirements can include:
- Complete Heat Exchangers
- Heat Exchanger Cores
- End Covers
- Housings
- Cooling Connections
- Gaskets
- O-Rings
- Seals
41. What Can Reduce L086TI Heat Exchanger Efficiency?
Possible causes include:
- Salt Deposits
- Scale
- Sediment
- Marine Growth
- Corrosion
- Impeller Fragments
- Foreign Material
- Reduced Raw-Water Flow
A heat exchanger does not need to become completely blocked before engine temperature begins increasing.
42. Doosan L086TI Lubrication-System Parts
Potential requirements can include:
- Engine Oil Pumps
- Oil Pump Components
- Engine Oil Filters
- Oil Pressure Components
- Turbocharger Oil Lines
- Gaskets
- O-Rings
- Front Crankshaft Seals
- Rear Crankshaft Seals
43. What Can Cause Low L086TI Oil Pressure?
Possible causes include:
- Low Oil Level
- Incorrect Oil
- Deteriorated Oil
- Fuel Dilution
- Restricted Oil Filter
- Oil Pump Wear
- Pressure-Regulating Problems
- Main Bearing Wear
- Connecting Rod Bearing Wear
- Crankshaft Wear
- Incorrect Pressure Indication
Actual pressure should be confirmed before major components are replaced.
44. Why Is Hot Oil Pressure Important?
Cold oil is thicker.
An older engine may therefore show acceptable pressure shortly after starting.
Once fully warm, increased internal clearances can become easier to detect.
Compare oil pressure under similar:
- Engine Temperature
- Engine Speed
- Engine Load
45. What If the L086TI Oil Level Starts Increasing?
If no engine oil has been added but the level rises, investigate possible contamination.
Possible contaminants include:
- Fuel
- Coolant
Fuel dilution can reduce oil viscosity.
Coolant contamination can seriously affect internal bearing protection.
46. Doosan L086TI Cylinder Head Parts
Potential requirements can include:
- Complete Cylinder Heads
- Cylinder Head Gaskets
- Intake Valves
- Exhaust Valves
- Valve Guides
- Valve Seats
- Valve Springs
- Rocker Components
- Valve Cover Gaskets
47. What Should Be Inspected During L086TI Cylinder Head Repair?
Inspect:
- Cracking
- Corrosion
- Flatness
- Sealing Surfaces
- Intake Valves
- Exhaust Valves
- Valve Seats
- Valve Guides
- Injector Seating Areas
- Cooling Passages
- Previous Machining
- Heat Damage
Inspection should determine whether the cylinder head can be:
Reused → Reconditioned → Repaired → Replaced
48. Why Can a New L086TI Head Gasket Fail Again?
Because the gasket may only be the damaged component.
Possible underlying causes include:
- Overheating
- Cylinder Head Distortion
- Cooling-System Problems
- Damaged Sealing Surfaces
- Incorrect Previous Assembly
A good repair addresses:
The Failure + The Cause of the Failure
49. Doosan L086TI Piston and Internal Engine Parts
Potential requirements can include:
- Pistons
- Piston Rings
- Piston Pins
- Cylinder Components
- Connecting Rods
- Main Bearings
- Connecting Rod Bearings
- Thrust Components
- Crankshaft
- Camshaft Components
- Gaskets
- Oil Seals
50. What Can Cause Excessive Blow-By on an L086TI?
Possible causes include:
- Piston Ring Wear
- Cylinder Wear
- Piston Wear
- Ring-Groove Wear
- Internal Engine Damage
Do not automatically assume:
“The engine needs rings.”
If cylinder wear is excessive, new rings alone may not restore correct sealing.
51. Why Should L086TI Cylinders Be Measured?
Visual inspection can reveal:
- Scoring
- Surface Damage
- Heavy Wear
Measurement can reveal:
- Cylinder Diameter
- Taper
- Out-of-Round Condition
Those measurements provide a better basis for overhaul decisions.
52. Doosan L086TI Crankshaft and Bearing Parts
Potential requirements can include:
- Crankshaft
- Main Bearings
- Connecting Rod Bearings
- Thrust Components
- Connecting Rods
- Front Crankshaft Seal
- Rear Crankshaft Seal
53. Why Should L086TI Bearing Size Be Confirmed Before Ordering?
An older engine may already have undergone previous overhaul work.
The crankshaft could have been:
- Polished
- Repaired
- Machined
- Replaced
Before selecting bearings, inspect:
- Main Journal Diameter
- Connecting Rod Journal Diameter
- Journal Surface Condition
- Taper
- Out-of-Round
The practical rule is:
Measure first. Select bearings second.
54. Doosan L086TI Starter Motor Parts
Potential requirements can include:
- Complete Starter Motors
- Starter Solenoids
- Starter Components
- Electrical Connections
- Mounting Hardware
A slowly cranking engine does not automatically require a starter motor.
Check:
- Batteries
- Battery Charge
- Terminals
- Cables
- Grounds
- Starter Connections
- Starter Solenoid
55. Doosan L086TI Alternator Parts
Potential requirements can include:
- Complete Alternators
- Alternator Components
- Drive Components
- Pulleys
- Electrical Connections
- Mounting Hardware
If batteries repeatedly become discharged, inspect the complete charging system rather than only replacing the battery.
56. Doosan L086TI Gaskets and Seals
Potential requirements can include:
- Complete Engine Gasket Sets
- Partial Gasket Sets
- Cylinder Head Gaskets
- Valve Cover Gaskets
- Intake Gaskets
- Charge-Air Gaskets
- Intercooler Gaskets
- Exhaust Gaskets
- Turbocharger Gaskets
- Freshwater Pump Gaskets
- Raw-Water Pump Gaskets
- Oil Pump Gaskets
- Fuel-System Seals
- Cooling-System O-Rings
- Front Crankshaft Seals
- Rear Crankshaft Seals
57. Doosan L086TI Overhaul Parts
Depending on inspection findings, an overhaul can require:
- Pistons
- Piston Rings
- Piston Pins
- Cylinder Components
- Main Bearings
- Connecting Rod Bearings
- Connecting Rods
- Cylinder Head Components
- Intake Valves
- Exhaust Valves
- Valve Guides
- Valve Seats
- Crankshaft Seals
- Complete Engine Gasket Set
- Fuel Injectors
- Injection Pump Components
- Turbocharger Components
- Intercooler Components
- Freshwater Pump Components
- Oil Pump Components
More extensive repairs may require:
- Crankshaft
- Camshaft Components
- Complete Cylinder Head
- Complete Turbocharger
- Complete Intercooler
- Freshwater Pump
- Raw-Water Pump
- Heat Exchanger Components
- Starter Motor
- Alternator
58. Should I Order a Complete L086TI Overhaul Kit Before Opening the Engine?
Some known maintenance components can be prepared beforehand.
For major internal parts, the final order should ideally follow dismantling and measurement.
Determine:
What condition are the cylinders in?
Can the pistons be reused?
What condition is the crankshaft in?
Which bearings are required?
Can the cylinder head be reconditioned?
What condition is the turbocharger in?
What condition is the intercooler in?
A practical overhaul sequence is:
Identify → Diagnose → Disassemble → Clean → Inspect → Measure → Confirm Parts → Rebuild
59. Genuine Doosan L086TI Parts
Depending on availability, genuine components can be supplied for selected maintenance, repair and overhaul requirements.
60. OEM-Quality Doosan L086TI Parts
Depending on component and availability, OEM-quality options may be available for selected:
- Fuel-System Components
- Turbocharger Components
- Intercooler Components
- Cooling-System Components
- Pumps
- Filters
- Bearings
- Electrical Components
- Internal Engine Parts
61. Aftermarket Doosan L086TI Parts
Depending on availability, selected aftermarket alternatives may be available for:
- Filters
- Gaskets
- Seals
- Bearings
- Pistons
- Piston Rings
- Selected Turbocharger Components
- Selected Pumps
- Cooling Components
- Maintenance Parts
- Selected Internal Engine Components
Compatibility should always be confirmed against the exact L086TI configuration.
62. Remanufactured Doosan L086TI Components
Depending on availability, rebuilt or remanufactured components may be available for selected:
- Fuel Injectors
- Injection Components
- Turbochargers
- Cylinder Heads
- Starter Motors
- Alternators
- Pumps
63. Who Do We Supply?
Alfa Marine Spare Parts supports Doosan L086TI parts requirements for:
- Shipyards
- Ship Repairers
- Marine Engineers
- Chief Engineers
- Technical Superintendents
- Fleet Operators
- Marine Service Companies
- Commercial Fishing Companies
- Fishing Vessel Operators
- Workboat Operators
- Offshore Operators
- Government Fleets
- Maritime Contractors
- Boat Builders
- Marine Equipment Distributors
64. Worldwide Doosan L086TI Spare Parts Supply
Alfa Marine Spare Parts supports Doosan L086TI Marine Engine Spare Parts requirements across major marine markets, including:
- Spain
- Netherlands
- Italy
- Monaco
- France
- Belgium
- Germany
- Greece
- United Kingdom
- Dubai / UAE
- Nigeria
- Miami / Florida
- Texas
- Toronto / Canada
- Caribbean
- Central America
- South America
- Other International Seaports
65. Why Choose Alfa Marine Spare Parts for Doosan L086TI Parts?
Alfa Marine Spare Parts supports Doosan L086TI engine spare parts requirements for routine maintenance, marine repair and complete engine overhaul.
For an older marine engine, accurate parts identification is especially important because previous repairs may have changed components currently installed.
For the best identification, provide:
Engine Model + Serial Number + Existing Part Number + Clear Photographs
For turbochargers, intercoolers and marine cooling components, identification from the currently installed component can be particularly useful.
66. What Information Should I Send for Doosan L086TI Parts?
Please provide:
Engine Model: Doosan L086TI
Engine Serial Number:
Part Required:
Existing Part Number:
Quantity Required:
Vessel/Application:
Delivery Country/Port:
Attach clear photographs of the engine identification plate and required component whenever possible.