Perkins M175C Marine Engine Spare Parts
The Perkins M175C Marine Engine is part of a newer generation of Perkins marine propulsion engines developed for commercial and leisure marine applications.
The M175C is a six-cylinder marine diesel engine rated at approximately 173 hp / 129 kW at 2400 rpm. It sits alongside the M200C and M245C within the same newer Perkins marine propulsion range.
The engine combines modern fuel injection, turbocharging, aftercooling and flexible marine installation options with a design focused on practical servicing and vessel operation.
Alfa Marine Spare Parts supports Perkins M175C Marine Engine Spare Parts requirements for scheduled maintenance, yacht servicing, commercial vessel repairs, repower projects, new installations and major engine repairs.
Depending on the component and availability, requirements can include:
- Genuine Perkins Parts
- OEM-Quality Components
- Selected Aftermarket Parts
- Remanufactured Components
- Maintenance Parts
- Engine Repair Parts
- Major Repair Components
What Are the Technical Specifications of the Perkins M175C?
The core technical characteristics of the Perkins M175C include:
SpecificationPerkins M175CManufacturerPerkinsEngine ModelM175CApplicationMarine PropulsionEngine ConfigurationInline 6-CylinderCycleFour-Stroke DieselRated OutputApprox. 173 hp / 129 kWRated Speed2400 rpmAspirationTurbochargedCharge-Air SystemAftercooledFuel SystemHigh-Pressure Common RailCooling OptionsHeat Exchanger / Keel CoolingPlanned Service Interval500 HoursWater-Pump ArrangementGear DrivenValve SystemAutomatic Valve-Lash AdjustmentAlternator BeltSelf-Tensioning ArrangementApplicationsCommercial & Leisure Marine
The exact specification and equipment fitted to an individual M175C should always be confirmed using its engine serial number and build information.
How Much Power Does the Perkins M175C Produce?
The Perkins M175C is rated at approximately:
173 hp / 129 kW at 2400 rpm
Within this newer Perkins propulsion range:
- M175C — 173 hp / 129 kW
- M200C — 200 hp / 149 kW
- M245C — 249 hp / 186 kW
This provides different output options for vessel builders, operators and repower projects.
Is the Perkins M175C a Six-Cylinder Engine?
Yes.
The Perkins M175C is an inline six-cylinder, four-stroke marine diesel engine.
Its six-cylinder configuration is suitable for marine applications where smooth power delivery, compact installation and dependable propulsion are important.
Is the Perkins M175C Turbocharged?
Yes.
Turbocharging increases the mass of air available to the engine for combustion.
Potential M175C turbocharger requirements can include:
- Complete Turbocharger
- Turbocharger Core Components
- Compressor Components
- Turbine Components
- Turbocharger Bearings
- Turbocharger Seals
- Oil Supply Components
- Oil Drain Components
- Intake Connections
- Exhaust Connections
- Turbocharger Gaskets
- Mounting Hardware
Is the Perkins M175C Aftercooled?
Yes.
The M175C uses aftercooling to reduce the temperature of compressed intake air after it leaves the turbocharger.
Potential requirements can include:
- Aftercooler Components
- Charge-Air Cooler Components
- Charge-Air Pipes
- Intake Hoses
- Clamps
- Gaskets
- O-Rings
- Seals
- Intake Connections
Why Is Aftercooling Important?
When a turbocharger compresses air, the air temperature rises.
Cooling that compressed air before it enters the cylinders helps support proper combustion and engine performance.
Problems within the charge-air system can contribute to:
- Reduced Engine Power
- Reduced Boost
- Increased Exhaust Smoke
- Higher Exhaust Temperature
- Poor Acceleration
- Increased Fuel Consumption
Does the Perkins M175C Use Common-Rail Fuel Injection?
Yes.
The M175C uses a modern high-pressure common-rail fuel system, making accurate identification and clean fuel particularly important.
Potential fuel-system requirements can include:
- Fuel Injectors
- High-Pressure Fuel Pump
- Fuel Rail Components
- High-Pressure Fuel Pipes
- Fuel Supply Components
- Fuel Filters
- Fuel-Water Separator Components
- Fuel Pressure Sensors
- Fuel Temperature Sensors
- Return-Fuel Components
- Fuel Connections
- O-Rings
- Seals
Perkins M175C Fuel Injector Parts
As a six-cylinder engine, the M175C uses individual fuel delivery for each cylinder.
Potential injector requirements can include:
- Complete Fuel Injectors
- Injector Seals
- Injector Washers
- High-Pressure Fuel Connections
- Return-Fuel Components
- Associated Hardware
What Are Possible Signs of a Perkins M175C Injector Problem?
Possible symptoms can include:
- Difficult Starting
- Rough Running
- Uneven Cylinder Performance
- Reduced Engine Power
- Increased Exhaust Smoke
- Increased Fuel Consumption
- Engine Warning
- Fuel-System Fault Codes
These symptoms should not automatically be treated as proof of injector failure.
Other possible causes can include:
- Poor Fuel Quality
- Water in Fuel
- Restricted Fuel Filters
- Fuel-Pressure Problems
- High-Pressure Pump Problems
- Sensor Faults
- Electrical Problems
- Air-System Problems
- Low Compression
Perkins M175C High-Pressure Fuel Pump Parts
Potential requirements can include:
- Complete High-Pressure Fuel Pump
- Fuel-Pump Components
- Pressure-Control Components
- Fuel Connections
- High-Pressure Fuel Pipes
- Seals
- O-Rings
- Associated Hardware
For modern high-pressure fuel components, the engine serial number and identification from the existing component should be supplied whenever possible.
Perkins M175C Fuel Filter Parts
Clean fuel is particularly important for protecting common-rail fuel-system components.
Potential requirements include:
- Primary Fuel Filters
- Secondary Fuel Filters
- Fuel Filter Elements
- Fuel-Water Separators
- Filter Housings
- Filter Seals
- O-Rings
- Drain Components
- Fuel Connections
Why Is Water in the Fuel a Problem?
Water contamination can contribute to:
- Injector Corrosion
- High-Pressure Pump Damage
- Internal Fuel-System Wear
- Poor Combustion
- Difficult Starting
- Reduced Engine Performance
- Premature Component Failure
Regular inspection of the vessel's fuel filtration and water-separation system is therefore important.
Perkins M175C Turbocharger Parts
Potential requirements include:
- Complete Turbocharger
- Turbocharger Core
- Compressor Components
- Turbine Components
- Bearings
- Seals
- Oil Supply Components
- Oil Drain Components
- Intake Connections
- Exhaust Connections
- Gaskets
- Mounting Hardware
What Should Be Checked Before Replacing an M175C Turbocharger?
A turbocharger can fail because of a problem elsewhere in the engine.
Inspection can include:
- Engine Oil Condition
- Turbocharger Oil Supply
- Turbocharger Oil Drain
- Air Filter
- Air Intake
- Charge-Air Pipes
- Aftercooler
- Exhaust System
- Compressor Condition
- Turbine Condition
Possible underlying causes include poor lubrication, contamination, foreign-object damage, intake restriction and exhaust restriction.
Perkins M175C Air Intake and Charge-Air Parts
Potential requirements can include:
- Air Filter Components
- Air Cleaner Components
- Intake Pipes
- Intake Hoses
- Charge-Air Pipes
- Aftercooler Components
- Intake Manifold Components
- Clamps
- Gaskets
- O-Rings
- Seals
- Sensors
What Can Cause Low Power on a Perkins M175C?
Possible causes include:
- Restricted Fuel Filters
- Fuel-Supply Problems
- Low Fuel Pressure
- Injector Problems
- Turbocharger Problems
- Restricted Air Intake
- Charge-Air Leakage
- Aftercooler Problems
- Exhaust Restriction
- Sensor Problems
- Electronic-Control Problems
- Marine Gear Problems
- Incorrect Propeller Loading
- Hull Fouling
Low power should therefore be diagnosed systematically before expensive components are replaced.
Perkins M175C Cooling-System Parts
The M175C platform can support different marine cooling arrangements.
Depending on the vessel configuration, the engine can use:
Heat Exchanger Cooling
or
Keel Cooling
Potential engine-side requirements can include:
- Water Pumps
- Heat Exchanger Components
- Thermostats
- Thermostat Housings
- Coolant Pipes
- Cooling Hoses
- Raw-Water Connections
- Temperature Sensors
- Gaskets
- O-Rings
- Seals
Perkins M175C Water Pump Parts
The M175C platform incorporates a gear-driven water-pump arrangement.
Potential requirements can include:
- Complete Water Pump
- Water-Pump Housing
- Pump Shaft
- Bearings
- Mechanical Seals
- Pump Gaskets
- O-Rings
- Drive Components
- Associated Hardware
Perkins M175C Heat Exchanger Parts
For heat-exchanger-cooled installations, requirements can potentially include:
- Complete Heat Exchanger
- Heat Exchanger Core
- Heat Exchanger Housing
- End Covers
- Gaskets
- O-Rings
- Seals
- Raw-Water Connections
- Coolant Connections
- Associated Hardware
Perkins M175C Keel-Cooling Parts
For keel-cooled installations, engine-side requirements can include:
- Coolant Pumps
- Thermostats
- Thermostat Housings
- Coolant Pipes
- Cooling Hoses
- Temperature Sensors
- Coolant Connections
- Gaskets
- O-Rings
- Seals
The external keel cooler itself is normally specific to the vessel installation.
Perkins M175C Thermostat Parts
Potential requirements can include:
- Thermostats
- Thermostat Housing Components
- Thermostat Gaskets
- O-Rings
- Seals
- Temperature-Control Components
What Can Cause a Perkins M175C to Overheat?
Possible causes can include:
- Low Coolant Level
- Incorrect Coolant Condition
- Water-Pump Problems
- Thermostat Problems
- Restricted Cooling Hoses
- Heat Exchanger Restriction
- Poor Raw-Water Flow
- Dirty Sea Strainer
- Restricted Seawater Connections
- Keel-Cooler Problems
- Temperature-Sensor Problems
The inspection procedure depends on the cooling arrangement installed on the vessel.
Perkins M175C Lubrication-System Parts
Potential lubrication requirements can include:
- Engine Oil Filters
- Oil Filter Elements
- Oil Pump Components
- Oil Cooler Components
- Oil Pressure Sensors
- Oil Pipes
- Oil Lines
- Oil Pan Components
- Gaskets
- O-Rings
- Crankshaft Seals
Why Is Correct Lubrication Important?
Lubricating oil protects critical M175C components including:
- Crankshaft
- Main Bearings
- Connecting Rod Bearings
- Pistons
- Camshaft Components
- Valve Train
- Turbocharger
Lubrication problems can therefore result in extensive engine damage if they are not identified early.
Perkins M175C Oil Cooler Parts
Potential requirements can include:
- Complete Oil Cooler
- Oil Cooler Core
- Oil Cooler Housing
- Oil Connections
- Oil Pipes
- Gaskets
- O-Rings
- Seals
Perkins M175C Cylinder Head Parts
Potential requirements include:
- Complete Cylinder Head
- Intake Valves
- Exhaust Valves
- Valve Guides
- Valve Seats
- Valve Springs
- Valve-Train Components
- Cylinder Head Gaskets
- Valve Cover Gaskets
- Injector Seals
- Associated Hardware
Does the Perkins M175C Require Conventional Valve Adjustment?
The M175C platform incorporates automatic valve-lash adjustment, reducing the conventional manual valve-clearance servicing associated with many older marine diesel engines.
The valve train still depends on correct lubrication and should be inspected when abnormal engine operation is found.
Perkins M175C Piston and Piston Ring Parts
Potential requirements can include:
- Pistons
- Piston Ring Sets
- Piston Pins
- Retaining Components
- Associated Hardware
Piston and ring condition can affect:
- Compression
- Blow-By
- Oil Consumption
- Exhaust Smoke
- Combustion
- Engine Power
Perkins M175C Connecting Rod and Bearing Parts
Potential requirements can include:
- Connecting Rods
- Connecting Rod Bearings
- Connecting Rod Bushings
- Main Bearings
- Thrust Components
- Connecting Rod Bolts
- Associated Hardware
Perkins M175C Crankshaft Parts
Potential requirements can include:
- Complete Crankshaft
- Main Bearings
- Connecting Rod Bearings
- Thrust Components
- Crankshaft Gear Components
- Front Crankshaft Seal
- Rear Crankshaft Seal
For major repairs, crankshaft measurements should be established before final bearing selection.
Perkins M175C 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 M175C Starter Motor Parts
Potential starting-system requirements can include:
- Complete Starter Motor
- Starter Solenoid
- Relays
- Wiring Components
- Electrical Connections
- Associated Hardware
Battery condition, cables, grounds and control signals should also be checked when diagnosing starting problems.
Perkins M175C Alternator Parts
Potential requirements can include:
- Complete Alternator
- Alternator Components
- Alternator Belt
- Belt-Tensioning Components
- Pulleys
- Electrical Connections
- Associated Hardware
The newer engine platform incorporates a self-tensioning alternator-belt arrangement.
Perkins M175C Sensors and Electronic Parts
Depending on engine configuration, potential requirements include:
- Coolant Temperature Sensors
- Oil Pressure Sensors
- Fuel Pressure Sensors
- Fuel Temperature Sensors
- Engine Speed Sensors
- Wiring Harness Components
- Electrical Connectors
- Relays
- Alarm Components
- Shutdown Components
- Engine Control Components
Electronic parts should be identified using the exact engine serial number and component identification.
Perkins M175C Gaskets and Seals
Potential requirements can include:
- Cylinder Head Gaskets
- Valve Cover Gaskets
- Intake Gaskets
- Exhaust Gaskets
- Turbocharger Gaskets
- Water-Pump Gaskets
- Heat Exchanger Gaskets
- Oil Cooler Gaskets
- Injector Seals
- Front Crankshaft Seals
- Rear Crankshaft Seals
- O-Rings
- Complete Gasket Sets
- Engine Seal Kits
Perkins M175C Engine Overhaul Parts
Major repairs should be based on the actual engine condition and measurements.
Potential overhaul requirements can include:
- Pistons
- Piston Rings
- Piston Pins
- Main Bearings
- Connecting Rod Bearings
- Connecting Rods
- Cylinder Head Components
- Intake Valves
- Exhaust Valves
- Crankshaft Seals
- Gasket Sets
- Seal Kits
- Lubrication-System Components
- Cooling-System Components
- Fuel-System Components
More extensive repairs can potentially require:
- Complete Cylinder Head
- Crankshaft
- Camshaft Components
- Turbocharger
- Fuel Injectors
- High-Pressure Fuel Pump
- Water Pump
- Starter Motor
- Alternator
What Is the Perkins M175C Service Interval?
The newer M175C platform is designed around a 500-hour planned service interval.
Actual maintenance should always follow the applicable engine documentation and consider operating hours, vessel duty cycle and operating environment.
Perkins M175C Routine Maintenance Parts
Common planned-service requirements can include:
- Engine Oil Filters
- Fuel Filters
- Fuel-Water Separator Elements
- Air-System Components
- Alternator Belt
- Gaskets
- O-Rings
- Seals
- Cooling-System Components
- Service Kits
Can the Perkins M175C Use HVO?
The newer Perkins marine propulsion platform has been developed with compatibility for certain alternative diesel fuels, including HVO, subject to the applicable approved fuel specification and engine requirements.
Fuel compatibility should always be confirmed for the specific engine before changing fuel type.
What Marine Applications Use the Perkins M175C?
Potential applications can include:
- Commercial Workboats
- Fishing Vessels
- Pilot Boats
- Patrol Craft
- Passenger Craft
- Utility Vessels
- Service Craft
- Coastal Vessels
- Motor Yachts
- Cruising Boats
- Leisure Craft
- Repower Projects
- New-Build Vessels
Is the Perkins M175C Suitable for Repower Projects?
The M175C can be considered for suitable repower applications.
However, engine horsepower is only one part of the decision.
A proper repower assessment should consider:
- Engine Dimensions
- Engine Weight
- Engine Mount Locations
- Marine Gear
- Gear Ratio
- Shaft Arrangement
- Propeller
- Cooling Configuration
- Exhaust System
- Fuel System
- Electrical System
- Engine Controls
- Engine-Room Ventilation
Why Is the Perkins M175C Serial Number Important?
The M175C is a modern configurable marine engine platform.
The exact build can influence components such as:
- Fuel Injectors
- High-Pressure Fuel Pump
- Fuel-System Components
- Turbocharger
- Water Pumps
- Cooling Components
- Filters
- Sensors
- Electronic Components
- Starter Motor
- Alternator
- Gaskets
- Internal Engine Components
Parts should therefore be identified using the engine serial number and build information wherever possible.
What Information Should I Provide for Perkins M175C Parts?
For accurate Perkins M175C Marine Engine Spare Parts identification, provide:
- Engine Model: Perkins M175C
- Engine Serial Number
- Engine Build Information
- Existing Perkins Part Number, if available
- Component Manufacturer Number
- Part Description
- Quantity Required
- Cooling Configuration where relevant
- Marine Gear Model and Ratio where applicable
- Clear Photographs
- Vessel Application
- Delivery Country or Nearest Port
Providing complete engine and component information helps reduce the risk of supplying a visually similar but technically incorrect part.