Caterpillar C30 Marine Engine Spare Parts
The Caterpillar C30 marine engine is a heavy-duty diesel engine platform used in commercial vessels, yachts and other demanding marine applications. Alfa Marine Spare Parts supplies CAT C30 engine spare parts for routine maintenance, repairs and major engine overhauls.
We source genuine, OEM, aftermarket and applicable remanufactured components. Correct parts identification should always be based on the engine serial number, arrangement information and existing part number.
Caterpillar C30 Engine
The Caterpillar C30 is a six-cylinder, four-stroke diesel engine with approximately 30 litres displacement. Different configurations and ratings have been produced, which means components should not be selected solely by searching for the C30 engine model.
Providing the complete engine information helps ensure that the correct replacement component is identified before ordering.
Caterpillar C30 engines can be found in applications such as:
- Commercial vessels
- Motor yachts
- Workboats
- Fishing vessels
- Passenger vessels
- Offshore vessels
- Auxiliary installations
- Generator and power applications
CAT C30 Engine Spare Parts
Alfa Marine Spare Parts can assist with replacement components covering the major C30 engine systems.
Fuel Injectors & Fuel System
C30 fuel-system requirements can include:
- Fuel injectors
- Injector components
- Fuel pumps
- Fuel transfer pumps
- Fuel filters
- Fuel lines
- Fuel pressure components
- Injector seals and O-rings
Always provide the existing part number or engine serial number when requesting C30 fuel-system components.
Turbochargers & Air System
We can source Caterpillar C30 air and turbocharging components including:
- Turbochargers
- Remanufactured turbochargers
- Turbocharger repair components
- Air-intake components
- Aftercooler components
- Intake manifolds
- Exhaust manifolds
- Turbocharger gaskets and seals
Turbocharger references can differ according to engine arrangement and rating.
CAT C30 Cooling System Parts
Reliable cooling is essential for C30 engines operating continuously under load.
Cooling-system parts can include:
- Sea water pumps
- Jacket-water pumps
- Auxiliary water pumps
- Water-pump repair kits
- Impellers
- Thermostats
- Heat exchangers
- Aftercoolers
- Oil coolers
- Cooling-system seals
- Gaskets and O-rings
If you need a C30 water pump and do not know the part number, send us the engine serial number and photographs of the existing pump.
Lubrication System Parts
We can assist with C30 lubrication-system components including:
- Oil pumps
- Oil filters
- Oil coolers
- Oil pressure components
- Oil lines
- Seals
- O-rings
- Gaskets
Caterpillar C30 Internal Engine Parts
For engine repairs and overhaul requirements, available components can include:
- Cylinder heads
- Pistons
- Piston rings
- Cylinder liners
- Connecting rods
- Main bearings
- Connecting-rod bearings
- Crankshaft components
- Camshaft components
- Intake valves
- Exhaust valves
- Valve guides
- Rocker components
- Gaskets and seals
Caterpillar C30 Overhaul Parts
Major C30 repair or overhaul projects can require components from several engine systems rather than a single replacement part.
We can assist with:
- Pistons and piston rings
- Cylinder liners
- Main and connecting-rod bearings
- Cylinder-head components
- Intake and exhaust valves
- Gasket sets
- Seal kits
- Fuel injectors
- Turbochargers
- Water pumps
- Oil pumps
- Filters and maintenance parts
Overhaul requirements should be checked against the specific C30 engine serial number and arrangement before components are ordered.
Sensors, Electrical & Engine Controls
Caterpillar C30 electrical and electronic requirements can include:
- Pressure sensors
- Temperature sensors
- Speed sensors
- Engine sensors
- Wiring harnesses
- Electronic control components
- ECM-related components
- Starters
- Alternators
- Switches
- Displays and monitoring components
Electronic parts should always be verified against the engine configuration and existing component reference.
Genuine, OEM, Aftermarket & Remanufactured CAT C30 Parts
Depending on the required component and availability, Alfa Marine Spare Parts can source different replacement options.
Genuine Caterpillar – original Caterpillar-branded replacement components.
OEM – components available through original-equipment manufacturing channels.
Aftermarket – selected replacement alternatives for suitable applications.
Remanufactured – professionally remanufactured components where applicable.
Tell us your preferred condition when requesting a quotation.
How to Find the Correct Caterpillar C30 Part
C30 component references can vary between engine arrangements.
For accurate identification, send us:
- Engine model – C30
- Engine serial number
- Serial-number prefix
- Arrangement number
- Existing part number
- Part description
- Required quantity
- Photograph of the existing component
- Photograph of the engine identification plate
- Vessel location
- Delivery destination
If you only have an old Caterpillar part number, send it with your enquiry so the current replacement or superseding reference can be checked.
Related Caterpillar Engine Pages
Looking for parts for another Caterpillar engine?
Caterpillar C27 Marine Engine Parts
Caterpillar C32 Marine Engine Parts
Caterpillar C280 Marine Engine Parts
CAT Marine Engine Parts & Rebuild Kits
Caterpillar Engines & Spare Parts
Browse Marine Spare Parts
Our spare-parts catalogue covers replacement components for Caterpillar and other marine diesel engine brands.
Browse categories including:
- Fuel injectors and fuel-system parts
- Turbochargers
- Water pumps
- Oil pumps
- Cooling-system components
- Cylinder heads
- Pistons and liners
- Bearings
- Gaskets and seals
- Sensors
- Electrical components
- Engine-control components
- Overhaul and maintenance parts
Worldwide Caterpillar C30 Parts Supply
Alfa Marine Spare Parts supplies C30 engine components to shipowners, yacht operators, marine engineers, shipyards, repair companies and vessel operators worldwide.
We support enquiries from major maritime locations including Miami and Fort Lauderdale, Houston, Rotterdam, Antwerp, Hamburg, Genoa, Barcelona, Dubai, Fujairah and Singapore, as well as vessels operating at other ports worldwide.
Request Caterpillar C30 Parts
Need a CAT C30 fuel injector, turbocharger, water pump, oil pump, cylinder head, piston, liner, sensor, gasket or overhaul component?
Send us the engine serial number and required part number.
If the part number is unknown, send clear photographs of the existing component and the engine identification plate.
Email: request@alfamarinespareparts.com
Frequently Asked QuestionsDo you supply Caterpillar C30 engine spare parts?
Yes. Alfa Marine Spare Parts supplies and sources Caterpillar C30 components for maintenance, repairs and engine overhaul requirements.
Can you identify C30 parts from the engine serial number?
Yes. Send the complete C30 engine serial number, arrangement number where available, component description and photographs.
Do you supply CAT C30 fuel injectors?
Yes. We can source C30 fuel injectors and related fuel-system components. The exact injector reference should be verified against the engine arrangement.
Can you supply Caterpillar C30 turbochargers?
Yes. New and applicable remanufactured turbochargers can be sourced according to the required part number and C30 engine configuration.
Do you supply Caterpillar C30 water pumps?
Yes. We can assist with applicable sea water pumps, jacket-water pumps, auxiliary pumps and related repair components.
Can you supply C30 overhaul parts?
Yes. We can source pistons, liners, bearings, cylinder-head components, valves, gaskets, seals, injectors, pumps and other components required for C30 repair and overhaul work.
Do you ship CAT C30 parts worldwide?
Yes. Alfa Marine Spare Parts supplies marine engine components to customers, shipyards, repair companies and vessels worldwide.