Caterpillar 3508 Marine Engine Parts & Components
Alfa Marine Spare Parts supplies Caterpillar 3508 marine engine parts and components for commercial vessels, marine propulsion systems, auxiliary engines, generator sets and power-generation applications.
We source genuine, OEM, replacement and remanufactured Caterpillar 3508 parts for scheduled maintenance, engine repairs and complete overhaul requirements.
Our sourcing capabilities cover cylinder components, internal engine parts, fuel and injection equipment, cooling-system components, water pumps, lubrication parts, turbocharger components, aftercooler parts, filters, bearings, valves, gaskets, seals, sensors, electrical components and other Caterpillar 3508 engine requirements.
The Caterpillar 3508 belongs to the wider Caterpillar 3500 engine family. Individual engine arrangements can use different components, making accurate engine identification essential when ordering replacement parts.
For our wider Caterpillar engine range, visit Caterpillar Marine Engine Parts.
For accurate parts identification, provide the complete engine designation, engine serial number, serial-number prefix, arrangement number and existing part number whenever available.
Need a specific Caterpillar 3508 component or complete overhaul requirement? Request a Quote or email request@alfamarinespareparts.com.
Caterpillar 3508 Engine Overview
The Caterpillar 3508 is an eight-cylinder V-type diesel engine belonging to Caterpillar's heavy-duty 3500 engine family.
The engine uses a 170 mm cylinder bore and 190 mm piston stroke, giving a displacement of approximately 34.5 litres.
The Caterpillar 3508 platform has been used in demanding applications where durability, continuous operation and serviceability are important.
Marine configurations can be encountered in propulsion, auxiliary and generator applications.
The 3508 is a four-stroke diesel engine, with applicable configurations using turbocharging and aftercooling.
Individual Caterpillar 3508 engines can differ according to:
- Engine serial-number prefix
- Engine arrangement
- Duty rating
- Propulsion or generator application
- Fuel-system configuration
- Turbocharger arrangement
- Cooling-system arrangement
- Control-system specification
- Production revision
For this reason, a request stating only:
“Caterpillar 3508 parts”
may not provide enough information to identify the correct component.
Always provide the complete engine serial number and arrangement number whenever possible.
For other Caterpillar engine families and component categories, visit our Caterpillar Marine Engine Parts page.
Caterpillar 3508 Technical Specifications
General specifications associated with the Caterpillar 3508 platform include:
SpecificationCaterpillar 3508Engine type4-stroke dieselCylinder configurationV8Number of cylinders8Cylinder bore170 mmPiston stroke190 mmDisplacementApprox. 34.5 litresAspirationTurbocharged and aftercooled on applicable configurationsFuelDieselCoolingLiquid cooledEngine familyCaterpillar 3500 SeriesApplicationsMarine propulsion, auxiliary and generator applications
Exact rated speed, output, compression ratio, turbocharger configuration, cooling equipment, dimensions and weight depend on the individual engine arrangement.
Always verify technical specifications against the complete engine serial number and arrangement number.
Caterpillar 3508 Engine Parts & Components
Alfa Marine Spare Parts can source a broad selection of Caterpillar 3508 engine components for routine service, corrective repairs and complete engine overhaul work.
Requirements can range from individual filters, sensors and seals to fuel-system components, water pumps, turbochargers, cylinder heads, pistons, liners, bearings and complete overhaul packages.
Individual components should always be checked against the engine serial number and arrangement before ordering.
Caterpillar 3508 Cylinder & Internal Engine Parts
Internal engine components operate under substantial mechanical and thermal loads.
We can assist with:
- Pistons
- Piston ring sets
- Piston pins
- Connecting rods
- Connecting rod bearings
- Main bearings
- Cylinder liners
- Cylinder liner seals
- Crankshaft components
- Camshaft components
- Tappets
- Bushings
- Thrust components
- Timing components
- Internal seals
- O-rings
For pistons, liners, bearings and other major internal components, always provide the complete engine serial number and arrangement number.
Do not assume that internal components from another Caterpillar 3500-series engine are interchangeable with the 3508.
Caterpillar 3508 Pistons & Cylinder Liners
Pistons and cylinder liners are among the principal components inspected during major engine overhaul work.
Requirements can include:
- Complete pistons
- Piston ring sets
- Piston pins
- Piston retainers
- Cylinder liners
- Cylinder liner seals
- Liner O-rings
- Connecting rod components
- Connecting rod bearings
- Associated gaskets and seals
When preparing a complete overhaul requirement, send the full required quantity together with the engine serial number and arrangement number.
This allows the complete cylinder requirement to be reviewed rather than identifying each component separately.
Caterpillar 3508 Cylinder Head Parts
Cylinder head components are frequently required during top-end maintenance and complete engine overhaul work.
We can assist with:
- Complete cylinder heads
- Cylinder head components
- Inlet valves
- Exhaust valves
- Valve guides
- Valve seats
- Valve springs
- Rocker arms
- Rocker components
- Valve bridges
- Push rods
- Cylinder head gaskets
- Seals
- O-rings
Cylinder head references can differ according to engine configuration and production revision.
Always verify the individual component against the engine serial number before ordering.
Caterpillar 3508 Fuel System Parts
Correct fuel delivery and injection are essential for reliable engine operation, combustion quality and engine performance.
Depending on the individual engine configuration, fuel-system requirements can include:
- Fuel injectors
- Fuel injection components
- Fuel transfer pumps
- Fuel priming pumps
- Fuel filters
- Fuel filter bases
- Fuel lines
- Fuel manifolds
- Fuel pressure components
- Fuel pressure sensors
- Fuel fittings
- Seals
- O-rings
When requesting a Caterpillar 3508 injector or fuel-system component, provide:
Engine model + complete serial number + serial-number prefix + arrangement number + existing part number
Need help identifying a fuel-system component? Request a Quote and send us your engine and existing part information.
Caterpillar 3508 Injectors
Fuel injectors are critical components within the engine's fuel system.
Injector selection can depend on the individual engine arrangement, production revision and fuel-system configuration.
We can assist with applicable:
- New injectors
- Genuine Caterpillar injectors
- Caterpillar Reman injectors where available
- OEM alternatives
- Replacement injectors
- Injector seals
- Injector O-rings
- Related installation components
Do not order an injector based only on the general 3508 engine model.
Always provide the engine serial number and existing injector part number whenever available.
Caterpillar 3508 Turbocharger Parts
Applicable Caterpillar 3508 configurations use turbocharging to supply the airflow required for efficient combustion and engine performance.
Depending on the engine arrangement, we can assist with:
- Complete turbochargers
- Caterpillar Reman turbochargers
- Turbocharger cartridges
- Turbine components
- Compressor components
- Bearings
- Seals
- Oil supply components
- Oil drain components
- Turbocharger gaskets
- Air connections
- Exhaust connections
- Mounting hardware
Turbocharger configurations can differ according to engine rating and arrangement.
Always provide the existing turbocharger identification or part number whenever possible.
Caterpillar 3508 Aftercooler & Air System Parts
Applicable turbocharged configurations use aftercooling to reduce compressed intake-air temperature before it enters the cylinders.
Air-system requirements can include:
- Aftercooler cores
- Aftercooler housings
- Air-intake manifolds
- Intake pipes
- Air hoses
- Air filters
- Turbocharger air connections
- Clamps
- Gaskets
- Seals
- O-rings
Aftercooler and air-system components should be identified against the individual engine arrangement.
Caterpillar 3508 Cooling System Parts
A reliable cooling system is essential for maintaining correct engine operating temperatures under continuous load.
We can assist with Caterpillar 3508 cooling-system components including:
- Jacket-water pumps
- Auxiliary water pumps
- Sea water pumps on applicable marine arrangements
- Water pump components
- Thermostats
- Thermostat housings
- Heat exchanger components
- Aftercooler components
- Oil cooler components
- Coolant pipes
- Cooling hoses
- Water connections
- Temperature sensors
- Gaskets
- Seals
- O-rings
The cooling-system arrangement can differ between propulsion, auxiliary and generator installations.
A pump or cooling component used on one 3508 configuration should not automatically be assumed to fit another.
Caterpillar 3508 Water Pumps
Different Caterpillar 3508 configurations can use different water pump assemblies.
Depending on the installation, requirements can include:
- Jacket-water pumps
- Auxiliary water pumps
- Sea water pumps
- Water pump housings
- Impellers
- Pump shafts
- Bearings
- Mechanical seals
- Drive components
- Gaskets
- O-rings
These pump assemblies perform different functions and should not automatically be treated as interchangeable.
When requesting a Caterpillar 3508 water pump, provide:
Engine model + complete serial number + serial-number prefix + arrangement number + existing pump part number
Photographs of the existing pump can also help when identification numbers are difficult to read.
If you need assistance identifying the correct pump, Request a Quote.
Caterpillar 3508 Lubrication System Parts
Correct oil circulation protects the bearings, crankshaft, pistons, camshaft, turbochargers and other moving engine components.
Lubrication-system requirements can include:
- Engine oil pumps
- Oil filters
- Oil filter bases
- Oil coolers
- Oil cooler cores
- Oil pressure regulators
- Oil pressure sensors
- Oil lines
- Oil pipes
- Oil sump components
- Breather components
- Gaskets
- Seals
- O-rings
Oil-system components should be verified against the exact engine arrangement before ordering.
Caterpillar 3508 Filters & Maintenance Parts
Routine maintenance is important for protecting the engine and maintaining reliable operation.
We can source:
- Engine oil filters
- Fuel filters
- Fuel/water separator elements
- Air filters
- Crankcase ventilation components
- Belts
- Thermostats
- Gaskets
- O-rings
- Sealing washers
- Maintenance kits
- Service components
Filter selection should be based on the engine serial number and existing filter reference whenever possible.
Caterpillar 3508 Exhaust System Parts
Exhaust-system components operate under high temperatures and should be inspected during scheduled engine maintenance.
Requirements can include:
- Exhaust manifolds
- Exhaust manifold sections
- Exhaust elbows
- Bellows
- Exhaust connections
- Turbocharger connections
- Exhaust gaskets
- Clamps
- Seals
- Mounting hardware
Marine exhaust arrangements can contain installation-specific equipment in addition to base-engine components.
Caterpillar 3508 Electrical Parts & Sensors
Depending on the engine generation and configuration, electrical and control-system requirements can include:
- Starter motors
- Alternators
- Wiring harnesses
- Temperature sensors
- Pressure sensors
- Speed sensors
- Level sensors
- Switches
- Relays
- Solenoids
- Electrical connectors
- Electronic control components on applicable engines
- Engine monitoring components
Electrical and electronic components can differ significantly between engine generations.
Always provide the engine serial number when requesting sensors, harnesses or control components.
Caterpillar 3508 Gaskets & Seals
Gaskets and sealing components are required throughout the engine during routine repairs and major overhaul work.
Requirements can include:
- Cylinder head gaskets
- Rocker cover gaskets
- Intake manifold gaskets
- Exhaust manifold gaskets
- Turbocharger gaskets
- Water pump gaskets
- Oil cooler seals
- Injector seals
- Cylinder liner seals
- Front crankshaft seals
- Rear crankshaft seals
- O-rings
- Complete gasket sets
Complete gasket kits should be matched to the individual engine arrangement rather than selected only by the 3508 model designation.
Caterpillar 3508 Overhaul Parts
The Caterpillar 3508 can require scheduled top-end and major overhaul work throughout its operating life.
Alfa Marine Spare Parts can assist with individual components and complete Caterpillar 3508 overhaul parts requirements.
Requirements can include:
- Pistons
- Piston ring sets
- Cylinder liners
- Liner seal kits
- Piston pins
- Connecting rods
- Main bearings
- Connecting rod bearings
- Thrust components
- Cylinder heads
- Inlet valves
- Exhaust valves
- Fuel injectors
- Complete gasket sets
- Crankshaft seals
- Oil pump components
- Water pump components
- Turbochargers
- Turbocharger components
- Aftercooler components
For a complete overhaul enquiry, send:
Engine model + complete serial number + arrangement number + complete required parts list
This allows individual components to be checked against the applicable engine configuration before quotation.
You can submit your complete requirement through our Request a Quote page.
Caterpillar 3508 Marine Propulsion Applications
Caterpillar 3508 engines can be encountered in demanding marine propulsion installations.
Depending on engine configuration and rating, applications can include:
- Commercial vessels
- Workboats
- Tugboats
- Offshore vessels
- Fishing vessels
- Ferries
- Dredgers
- Service vessels
- Other heavy-duty marine installations
The exact engine rating and installed equipment depend on the vessel and duty profile.
A propulsion-engine component should not automatically be assumed to fit an auxiliary or generator configuration.
Caterpillar 3508 Auxiliary & Generator Applications
The Caterpillar 3508 platform has also been used for auxiliary and generator applications.
Depending on the installation, engines can form part of:
- Marine generator sets
- Auxiliary power systems
- Diesel-electric installations
- Onboard electrical-generation systems
- Offshore power systems
- Commercial vessel generator installations
Generator configurations can use different cooling, accessory and control arrangements from propulsion engines.
Always state whether the engine is used for propulsion, auxiliary power or generator service when requesting components.
Caterpillar 3508 Parts Identification
Correct identification is essential when sourcing Caterpillar 3508 engine parts.
The engine model alone may not provide enough information.
For accurate identification, provide:
Engine model: Caterpillar 3508
Complete engine serial number:
Serial-number prefix:
Arrangement number:
Existing part number:
Part description:
Quantity:
Application: Propulsion / Auxiliary / Generator
Required condition:
Delivery destination:
Photographs of the engine identification plate and existing component can also help with identification.
This information is particularly important for:
- Fuel injectors
- Turbochargers
- Water pumps
- Oil pumps
- Cylinder heads
- Pistons
- Cylinder liners
- Sensors
- Electrical components
- Gasket kits
- Overhaul components
Send these details through our Request a Quote page or email request@alfamarinespareparts.com.
Caterpillar 3508 vs 3508B
The Caterpillar 3508 and 3508B belong to the wider Caterpillar 3500 engine family, but they should not be treated as identical engines.
Differences can exist in:
- Fuel-system components
- Engine controls
- Sensors
- Turbocharger arrangements
- Cooling-system components
- Cylinder components
- Accessory equipment
- Engine ratings
A component listed for a 3508B should therefore not automatically be assumed to fit an earlier 3508.
Always verify the complete engine designation, serial number and arrangement number.
Caterpillar 3508 vs 3508C
The Caterpillar 3508 and 3508C share the wider 3500-series platform, but individual components can differ.
Differences can include:
- Fuel-system technology
- Electronic controls
- Sensors
- Turbocharger arrangements
- Cooling components
- Emissions-related equipment
- Engine ratings
- Accessory arrangements
A component listed for a 3508C should not automatically be assumed to fit a 3508.
Parts should always be identified against the individual engine.
Caterpillar 3508 Engine Family
The Caterpillar 3508 belongs to the wider Caterpillar 3500 Series.
Related engine generations include:
- Caterpillar 3508
- Caterpillar 3508B
- Caterpillar 3508C
The wider Caterpillar 3500 platform also includes:
- Caterpillar 3512
- Caterpillar 3512B
- Caterpillar 3512C
- Caterpillar 3516
- Caterpillar 3516B
- Caterpillar 3516C
These engines share elements of the broader Caterpillar 3500 architecture but should not be treated as interchangeable for parts selection.
For our wider engine catalogue, visit Caterpillar Marine Engine Parts.
Genuine, Caterpillar Reman, OEM & Replacement 3508 Parts
Depending on the individual component and availability, Caterpillar 3508 requirements can be sourced in different supply conditions.
Options can include:
New genuine Caterpillar
Caterpillar Reman
OEM
Replacement / aftermarket
Not every component is available in every supply condition.
If a particular option is mandatory, clearly state this in your enquiry.
For example:
Genuine Caterpillar required
or:
Caterpillar Reman acceptable
Where a Caterpillar Reman reference exists, the Reman number should be verified against the corresponding new part number and individual engine arrangement before ordering.
Worldwide Supply of Caterpillar 3508 Parts
Alfa Marine Spare Parts supplies and sources Caterpillar 3508 marine engine components for customers worldwide.
We support:
- Shipowners
- Vessel operators
- Fleet managers
- Marine engineers
- Shipyards
- Repair workshops
- Engine rebuilders
- Generator specialists
- Offshore operators
Requirements can range from individual filters, sensors and seals to injectors, pumps, turbochargers, cylinder heads, pistons, liners and complete overhaul packages.
For international enquiries, include your delivery city, country and port.
For additional engine models and component categories, browse our Caterpillar Marine Engine Parts catalogue.
Why Choose Alfa Marine Spare Parts for Caterpillar 3508 Parts?
Correct identification is particularly important when sourcing components for heavy-duty Caterpillar engines.
An incorrect injector, turbocharger, pump, piston or gasket set can create unnecessary delays during maintenance and overhaul work.
Alfa Marine Spare Parts can assist with:
- Serial-number based parts identification
- Genuine Caterpillar components
- Caterpillar Reman parts
- OEM components
- Replacement parts
- Fuel-system components
- Cooling-system components
- Water pumps
- Turbocharger components
- Cylinder components
- Gaskets and seals
- Overhaul requirements
- Worldwide supply
Providing complete engine information from the beginning helps reduce the risk of incorrect component selection.
Frequently Asked QuestionsWhat is the Caterpillar 3508?
The Caterpillar 3508 is an eight-cylinder V-type four-stroke diesel engine belonging to Caterpillar's 3500 engine family.
Depending on configuration, it can be used in marine propulsion, auxiliary and generator applications.
How many cylinders does the Caterpillar 3508 have?
The Caterpillar 3508 has 8 cylinders arranged in a V configuration.
What is the displacement of the Caterpillar 3508?
The Caterpillar 3508 has a displacement of approximately 34.5 litres.
What is the bore and stroke of the Caterpillar 3508?
The engine uses a 170 mm cylinder bore and 190 mm piston stroke.
Is the Caterpillar 3508 turbocharged?
Applicable Caterpillar 3508 configurations use turbocharging and aftercooling.
The exact air-system and turbocharger arrangement depends on the engine configuration.
Can you supply Caterpillar 3508 injectors?
Yes. We can assist with Caterpillar 3508 injectors and related fuel-system components, subject to correct engine identification and availability.
Can you supply Caterpillar 3508 water pumps?
Yes. We can source applicable jacket-water pumps, auxiliary water pumps, sea water pumps and related cooling-system components.
The exact pump should be verified against the engine serial number, arrangement number and existing pump reference.
Can you supply Caterpillar 3508 turbochargers?
Yes. Depending on engine configuration and availability, we can assist with new, Caterpillar Reman, OEM and replacement turbocharger requirements.
Provide the existing turbocharger part number whenever available.
Can you supply Caterpillar 3508 cylinder heads?
Yes. We can assist with complete cylinder heads and individual cylinder-head and valve-train components.
Can you supply Caterpillar 3508 pistons and liners?
Yes. We can source pistons, piston rings, piston pins, cylinder liners, liner seals and related overhaul components.
Can you supply Caterpillar 3508 overhaul parts?
Yes. Requirements can include pistons, liners, rings, bearings, cylinder heads, injectors, turbochargers, pumps, gaskets, seals and other major engine components.
For a complete requirement, Request a Quote.
Are Caterpillar 3508 and 3508B parts the same?
Not necessarily.
Although both belong to the Caterpillar 3500 family, individual components can differ according to engine generation and arrangement.
Always verify parts against the complete engine identification.
Are Caterpillar 3508 and 3508C parts interchangeable?
Not automatically.
Differences can exist in fuel equipment, controls, turbochargers, cooling components, sensors and other engine systems.
Can you supply Caterpillar Reman components for the 3508?
Yes, where an applicable Caterpillar Reman option exists and is available.
The Reman reference should always be checked against the corresponding new part number and individual engine configuration.
What information is required for a Caterpillar 3508 parts quotation?
Send:
Caterpillar 3508 + complete engine serial number + serial-number prefix + arrangement number + existing part number + quantity + application + delivery destination
Photographs of the identification plate and existing component can also help.
Request Caterpillar 3508 Marine Engine Parts
Looking for Caterpillar 3508 marine engine parts, maintenance components, Caterpillar Reman parts or complete overhaul requirements?
Send us your:
Engine model: Caterpillar 3508
Complete engine serial number:
Serial-number prefix:
Arrangement number:
Part number:
Part description:
Quantity:
Application: Propulsion / Auxiliary / Generator
Required condition: Genuine / Caterpillar Reman / OEM / Replacement
Delivery destination:
For unidentified components, include photographs of the existing component and engine identification plate whenever available.
Our team can assist with requirements ranging from individual filters, injectors and water pumps to turbochargers, cylinder heads, pistons, liners and complete Caterpillar 3508 overhaul parts packages.
Email: request@alfamarinespareparts.com
For our complete Caterpillar engine range, visit Caterpillar Marine Engine Parts.