Perkins M115T Marine Engine Spare Parts
The Perkins M115T Marine Engine is an established marine diesel propulsion engine used in yachts, leisure craft and commercial marine applications.
As an M115T accumulates operating hours, spare-parts requirements can develop from normal service items such as filters, belts, impellers, gaskets and seals to fuel-injection equipment, turbocharger components, cooling-system parts, cylinder-head components and internal engine overhaul parts.
Alfa Marine Spare Parts supports Perkins M115T Marine Engine Spare Parts requirements for:
- Planned Maintenance
- Engine-Room Repairs
- Commercial Vessel Maintenance
- Yacht Maintenance and Refits
- Fuel-System Repairs
- Cooling-System Repairs
- Turbocharger Repairs
- Cylinder Head Repairs
- Internal Engine Repairs
- Major Engine Overhauls
- Spare Parts Planning
Depending on the component and availability, supply options can include:
- Genuine Perkins Parts
- OEM-Quality Components
- Selected Aftermarket Parts
- Remanufactured Components
- Maintenance Parts
- Repair Components
- Overhaul Parts
What Are the Technical Specifications of the Perkins M115T?
The M115T belongs to the established Perkins marine propulsion engine range.
Typical characteristics include:
SpecificationPerkins M115TManufacturerPerkinsEngine ModelM115TApplicationMarine PropulsionEngine ConfigurationInline 6-CylinderCycleFour-Stroke DieselFuelDieselAspirationTurbochargedCoolingFreshwater with Marine Raw-Water CircuitTypical ApplicationsLeisure & Commercial Marine
Exact ratings, specifications and component arrangements can vary according to the engine build and vessel installation.
The engine serial number, build information and currently installed component identification should therefore be confirmed before ordering Perkins M115T spare parts.
Why Is Correct Perkins M115T Engine Identification Important?
Many M115T engines have accumulated substantial service history.
During previous repairs or vessel refits, components may have been:
- Rebuilt
- Reconditioned
- Exchanged
- Replaced
- Superseded
- Updated
This can be particularly important when identifying:
- Fuel Injectors
- Fuel Injection Equipment
- Turbochargers
- Raw-Water Pumps
- Freshwater Pumps
- Heat Exchangers
- Starter Motors
- Alternators
- Electrical Components
The original engine information should therefore be considered together with identification from the component currently installed.
Perkins M115T Routine Maintenance Parts
Common maintenance requirements can include:
- Engine Oil Filters
- Fuel Filters
- Fuel-Water Separator Elements
- Air Intake Components
- Raw-Water Pump Impellers
- Belts
- Thermostats
- Gaskets
- O-Rings
- Seals
- Cooling-System Components
- Service Kits
Maintenance requirements should be determined from the applicable engine service information and actual vessel operating conditions.
What Can Affect M115T Maintenance Requirements?
Component life is influenced by more than engine hours.
Important factors can include:
- Annual Operating Hours
- Engine Loading
- Extended Low-Load Operation
- Saltwater Exposure
- Fuel Quality
- Lubricating Oil Condition
- Coolant Condition
- Engine-Room Temperature
- Maintenance History
- Long Periods of Inactivity
A frequently operated workboat can therefore have different maintenance priorities from a yacht that spends much of the year unused.
Perkins M115T Fuel-System Parts
Potential requirements can include:
- Fuel Injectors
- Injector Nozzles
- Fuel Injection Equipment
- Fuel Lift Pump
- Primary Fuel Filters
- Secondary Fuel Filters
- Fuel-Water Separator Components
- Injector Pipes
- Fuel Supply Pipes
- Fuel Return Components
- Fuel Connections
- Seals
- O-Rings
- Gaskets
Perkins M115T Fuel Injectors
Potential requirements can include:
- Complete Fuel Injectors
- Injector Nozzles
- Injector Sealing Components
- Injector Pipes
- Fuel Return Components
- Associated Hardware
What Are Possible Signs of M115T Injector Problems?
Possible symptoms can include:
- Difficult Starting
- Rough Running
- Uneven Cylinder Operation
- Increased Exhaust Smoke
- Reduced Engine Power
- Increased Fuel Consumption
- Abnormal Combustion Noise
These symptoms do not automatically confirm injector failure.
Fuel quality, fuel filters, fuel supply, injection equipment, compression and airflow should also be considered during diagnosis.
Perkins M115T Fuel Injection Components
Potential requirements can include:
- Fuel Injection Equipment
- Injection Components
- Fuel Lift Pump
- Fuel Connections
- Fuel Pipes
- Pump Seals
- Gaskets
- O-Rings
Why Should the Existing Fuel Equipment Number Be Checked?
An older M115T may have undergone previous fuel-system repairs.
Fuel equipment may have been:
- Rebuilt
- Reconditioned
- Exchanged
- Replaced
- Superseded
Providing identification from the currently installed component together with the engine serial number can improve parts matching.
Perkins M115T Fuel Filter Parts
Potential requirements can include:
- Primary Fuel Filters
- Secondary Fuel Filters
- Fuel Filter Elements
- Fuel-Water Separators
- Filter Housings
- Filter Seals
- O-Rings
- Drain Components
Why Is Fuel Filtration Important?
Marine diesel fuel can become contaminated by:
- Water
- Sediment
- Tank Debris
- Corrosion Products
- Microbial Contamination
Poor fuel quality can contribute to:
- Injector Wear
- Fuel-System Wear
- Internal Corrosion
- Difficult Starting
- Poor Combustion
- Increased Exhaust Smoke
- Reduced Engine Performance
Perkins M115T Turbocharger Parts
Potential requirements can include:
- Complete Turbocharger
- Turbocharger Cartridge
- Compressor Components
- Turbine Components
- Bearings
- Seals
- Oil Supply Components
- Oil Drain Components
- Intake Connections
- Exhaust Connections
- Turbocharger Gaskets
- Mounting Hardware
What Are Possible Signs of an M115T Turbocharger Problem?
Possible symptoms can include:
- Reduced Engine Power
- Poor Acceleration
- Reduced Boost
- Excessive Exhaust Smoke
- Abnormal Turbocharger Noise
- Oil Leakage
- Increased Oil Consumption
- High Exhaust Temperature
The underlying cause should be investigated before automatically replacing the turbocharger.
Does Low M115T Power Automatically Mean Turbocharger Failure?
No.
Reduced engine power can also result from:
- Restricted Fuel Filters
- Insufficient Fuel Supply
- Injector Problems
- Fuel Injection Problems
- Restricted Air Intake
- Intake-Air Leakage
- Exhaust Restriction
- Low Compression
- Marine Gear Problems
- Propeller Overloading
- Hull Fouling
Troubleshooting should therefore consider the complete engine and propulsion system.
What Should Be Checked Before Installing an M115T Turbocharger?
Before installing a replacement turbocharger, important areas to inspect can include:
- Engine Oil Condition
- Turbocharger Oil Supply
- Turbocharger Oil Drain
- Air Cleaner
- Intake System
- Exhaust System
- Compressor Condition
- Turbine Condition
- Intake Connections
- Exhaust Connections
Replacing a damaged turbocharger without correcting the original lubrication, intake or exhaust problem can result in another failure.
Perkins M115T Air Intake Parts
Potential requirements can include:
- Air Cleaner Components
- Air Filter Components
- Intake Hoses
- Intake Pipes
- Intake Manifold Components
- Turbocharger Connections
- Clamps
- Gaskets
- Seals
Can Restricted Airflow Affect M115T Performance?
Yes.
Insufficient combustion air can contribute to:
- Black Exhaust Smoke
- Reduced Engine Power
- Poor Acceleration
- Increased Exhaust Temperature
- Increased Fuel Consumption
The intake system should therefore be considered when investigating performance problems.
Perkins M115T Cooling-System Parts
Potential cooling-system requirements can include:
- Raw-Water Pump
- Seawater Pump Components
- Raw-Water Pump Impeller
- Freshwater Pump
- Heat Exchanger
- Heat Exchanger Components
- Thermostats
- Thermostat Housing
- Coolant Pipes
- Seawater Pipes
- Cooling Hoses
- Gaskets
- O-Rings
- Seals
Perkins M115T Raw-Water Pump Parts
Potential requirements can include:
- Complete Raw-Water Pump
- Seawater Pump
- Flexible Impeller
- Pump Cover
- Pump Shaft
- Bearings
- Mechanical Seals
- Wear Components
- Gaskets
- O-Rings
Why Is the M115T Raw-Water Pump Important?
The raw-water pump maintains seawater circulation through the marine cooling circuit.
Reduced seawater flow can contribute to:
- Engine Overheating
- Increasing Coolant Temperature
- High Exhaust Temperature
- Reduced Heat Exchanger Performance
- Exhaust Cooling Problems
The raw-water pump should be considered as part of the complete seawater circuit rather than as an isolated component.
What Happens When an M115T Impeller Breaks?
A damaged flexible impeller can significantly reduce seawater circulation.
If blades are missing from the old impeller, fragments may become trapped inside:
- Cooling Hoses
- Pipe Connections
- Heat Exchanger Passages
- Oil Cooler Passages
- Other Downstream Cooling Components
Installing a new impeller may therefore not completely restore seawater flow if fragments remain inside the circuit.
Perkins M115T Freshwater Pump Parts
Potential requirements can include:
- Complete Freshwater Pump
- Coolant Circulation Pump
- Pump Housing
- Pump Shaft
- Bearings
- Seals
- Gaskets
- O-Rings
Perkins M115T Heat Exchanger Parts
Potential requirements can include:
- Complete Heat Exchanger
- Heat Exchanger Core
- Tube Bundle
- Housing
- End Covers
- End-Cap Seals
- Raw-Water Connections
- Coolant Connections
- Gaskets
- O-Rings
- Seals
What Can Restrict an M115T Heat Exchanger?
Possible causes can include:
- Salt Deposits
- Scale
- Marine Growth
- Sediment
- Corrosion
- Broken Impeller Pieces
- Other Debris
Internal restriction may exist even when the heat exchanger appears satisfactory externally.
Why Can an M115T Overheat Only Under Load?
At idle and light load, the engine produces less heat.
As engine output increases, the cooling system has to remove more heat. A partially restricted system may therefore maintain acceptable temperature at idle but become inadequate at higher engine load.
Areas to investigate can include:
- Seacock
- Sea Strainer
- Raw-Water Intake
- Raw-Water Pump
- Impeller
- Cooling Hoses
- Heat Exchanger
- Thermostat
- Freshwater Pump
- Coolant Condition
- Exhaust Cooling Circuit
Perkins M115T Thermostat Parts
Potential requirements can include:
- Thermostats
- Thermostat Housing
- Thermostat Gaskets
- O-Rings
- Seals
- Associated Hardware
Perkins M115T Lubrication-System Parts
Potential requirements can include:
- Engine Oil Filters
- Oil Filter Elements
- Oil Pump Components
- Oil Cooler
- Oil Cooler Components
- Oil Pressure Components
- Oil Pipes
- Oil Lines
- Oil Pan Components
- Gaskets
- O-Rings
- Crankshaft Seals
Why Is Correct Lubrication Important?
Lubricating oil protects important engine components including:
- Crankshaft
- Main Bearings
- Connecting Rod Bearings
- Pistons
- Camshaft
- Valve Train
- Turbocharger
Low oil pressure, contaminated oil or interrupted lubrication can therefore affect several major components simultaneously.
Perkins M115T Oil Cooler Parts
Potential requirements can include:
- Complete Oil Cooler
- Oil Cooler Core
- Oil Cooler Housing
- Oil Connections
- Cooling Connections
- Gaskets
- O-Rings
- Seals
Perkins M115T Cylinder Head Parts
Potential requirements can include:
- Complete Cylinder Head
- Intake Valves
- Exhaust Valves
- Valve Guides
- Valve Seats
- Valve Springs
- Rocker Components
- Valve-Train Components
- Cylinder Head Gasket
- Valve Cover Gasket
- Injector Sealing Components
When Should an M115T Cylinder Head Be Inspected?
Cylinder-head inspection may become necessary following:
- Severe Overheating
- Coolant Loss
- Head-Gasket Failure
- Low Compression
- Valve Damage
- Coolant Leakage
- Abnormal Combustion
- Major Engine Overhaul
The condition and measurements of the existing cylinder head should determine whether it can be reused, rebuilt or requires replacement.
Perkins M115T Pistons and Piston Rings
Potential requirements can include:
- Pistons
- Piston Ring Sets
- Piston Pins
- Piston Pin Bushings
- Retaining Components
What Can Worn M115T Piston Rings Cause?
Possible symptoms can include:
- Excessive Blow-By
- Increased Oil Consumption
- Reduced Compression
- Difficult Starting
- Exhaust Smoke
- Reduced Engine Power
Piston, ring and cylinder condition should be evaluated together during internal engine inspection.
Perkins M115T Connecting Rod Parts
Potential requirements can include:
- Connecting Rods
- Connecting Rod Bearings
- Small-End Bushings
- Connecting Rod Bolts
- Associated Hardware
Perkins M115T Main and Connecting Rod Bearings
Potential requirements can include:
- Main Bearing Sets
- Connecting Rod Bearing Sets
- Thrust Bearings
- Thrust Washers
Crankshaft condition and journal measurements should be established before final bearing selection.
Perkins M115T Crankshaft Parts
Potential requirements can include:
- Complete Crankshaft
- Main Bearings
- Connecting Rod Bearings
- Thrust Components
- Crankshaft Gear Components
- Front Crankshaft Seal
- Rear Crankshaft Seal
Why Should the M115T Crankshaft Be Measured During Overhaul?
An established crankshaft may have undergone previous repair work.
It may have been:
- Polished
- Reground
- Repaired
- Replaced
Measurements help establish its actual dimensions and the appropriate bearing requirements.
Perkins M115T Camshaft and Timing Parts
Potential requirements can include:
- Camshaft
- Camshaft Bearings
- Timing Gears
- Gear-Train Components
- Timing Covers
- Timing Cover Gaskets
- Valve-Train Components
Perkins M115T Gaskets and Seals
Potential requirements can include:
- Cylinder Head Gasket
- Valve Cover Gaskets
- Intake Gaskets
- Exhaust Gaskets
- Turbocharger Gaskets
- Raw-Water Pump Gaskets
- Freshwater Pump Gaskets
- Heat Exchanger Gaskets
- Oil Cooler Gaskets
- Injector Seals
- Front Crankshaft Seal
- Rear Crankshaft Seal
- O-Rings
- Complete Gasket Sets
- Engine Seal Kits
Perkins M115T Starter Motor Parts
Potential requirements can include:
- Complete Starter Motor
- Starter Solenoid
- Relays
- Electrical Connections
- Associated Hardware
Slow cranking does not automatically confirm starter failure. Battery condition, cables, terminals, grounds and control circuits should also be checked.
Perkins M115T Alternator Parts
Potential requirements can include:
- Complete Alternator
- Alternator Components
- Belts
- Pulleys
- Belt-Tensioning Components
- Electrical Connections
Perkins M115T Electrical Components
Depending on engine configuration, potential requirements can include:
- Temperature Senders
- Oil Pressure Senders
- Switches
- Relays
- Wiring Components
- Electrical Connectors
- Alarm Components
- Shutdown Components
- Starter Components
- Alternator Components
Perkins M115T Exhaust-System Parts
Depending on vessel installation, potential requirements can include:
- Exhaust Manifold Components
- Turbocharger Exhaust Connections
- Exhaust Elbows
- Mixing Components
- Exhaust Gaskets
- Seals
- Clamps
- Associated Hardware
Marine wet-exhaust components should be inspected carefully because seawater and hot exhaust gases operate in close proximity.
Perkins M115T Engine Overhaul Parts
Depending on engine condition and inspection findings, overhaul requirements can include:
- Pistons
- Piston Rings
- Piston Pins
- Main Bearings
- Connecting Rod Bearings
- Connecting Rods
- Thrust Components
- Cylinder Head Components
- Intake Valves
- Exhaust Valves
- Crankshaft Seals
- Complete Gasket Sets
- Seal Kits
- Fuel-System Components
- Cooling-System Components
- Lubrication-System Components
More extensive repairs may require:
- Complete Cylinder Head
- Crankshaft
- Camshaft Components
- Fuel Injectors
- Fuel Injection Components
- Turbocharger
- Raw-Water Pump
- Freshwater Pump
- Heat Exchanger
- Oil Cooler
- Starter Motor
- Alternator
Is There One Standard Perkins M115T Overhaul Kit?
The correct overhaul package should be determined from the condition and configuration of the individual engine.
Important considerations include:
- Engine Serial Number
- Engine Build Information
- Operating Hours
- Maintenance History
- Reason for Overhaul
- Cylinder Condition
- Piston Condition
- Bearing Condition
- Crankshaft Measurements
- Cylinder Head Condition
- Turbocharger Condition
- Fuel-System Condition
- Cooling-System Condition
This is particularly important for engines that have undergone previous repair or overhaul work.
What Information Should I Provide for Perkins M115T Parts?
For accurate Perkins M115T Marine Engine Spare Parts identification, provide:
- Engine Model: Perkins M115T
- Engine Serial Number
- Engine Build Information
- Existing Perkins Part Number, if available
- Manufacturer Number From the Existing Component
- Part Description
- Quantity Required
- Clear Photographs
- Marine Gear Information Where Relevant
- Vessel Application
- Delivery Country or Nearest Port
For older M115T installations, photographs of the engine identification plate and the currently installed component can be particularly useful when the original part number is unavailable.