Perkins 4.4GM Marine Engine Parts, Spares & Overhaul Kits
Perkins 4.4GM
Perkins 4.4GM Marine Engine Parts & Spare Parts
Alfa Marine Spare Parts supplies Perkins 4.4GM marine engine parts and spare parts for auxiliary engines, marine generator sets and onboard power-generation applications.
We source genuine, OEM and replacement Perkins 4.4GM 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, fresh-water and auxiliary water pumps, lubrication parts, filters, bearings, valves, gaskets, seals, electrical components and other Perkins engine spares.
The 4.4GM belongs to the wider Perkins 4.4 marine auxiliary engine family. For information about additional Perkins engines and available spare-parts categories, visit our Perkins Marine Engine Parts page.
For accurate parts identification, provide the complete engine designation, engine serial number and existing part number whenever available.
Need a specific component or complete overhaul requirement? Request a Quote or email request@alfamarinespareparts.com.
Perkins 4.4GM Engine Overview
The Perkins 4.4GM is a four-cylinder, naturally aspirated diesel engine developed for marine auxiliary and power-generation applications.
It has a 4.4-litre displacement, with a 105 mm cylinder bore and 127 mm piston stroke.
The engine operates at rated speeds between 1500 and 1800 rpm, depending on the generator and installation configuration, with published power ratings ranging from approximately 42.7 kW to 49.1 kW.
Unlike the Perkins 4.4TGM, which uses turbocharging, the 4.4GM is naturally aspirated.
The engine uses a four-stroke diesel cycle, direct fuel injection and liquid cooling. Its relatively straightforward mechanical configuration makes the 4.4GM suitable for auxiliary installations where dependable onboard electrical power is required.
Individual engines can nevertheless differ according to production revision, generator configuration, vessel installation and optional equipment.
Replacement components should therefore always be identified using the complete Perkins 4.4GM engine designation, engine serial number and existing part number whenever available.
Perkins 4.4GM Technical SpecificationsSpecificationPerkins 4.4GMEngine type4-stroke marine auxiliary dieselCylinder configuration4-cylinder inlineDisplacement4.4 litresCylinder bore105 mmPiston stroke127 mmAspirationNaturally aspiratedFuel systemDirect injectionRated speed1500–1800 rpmPower range42.7–49.1 kWPower range57.3–65.8 hpMaximum torque286.5 Nm @ 1800 rpmCompression ratio18.23:1Cooling systemLiquid cooledLubricating oil capacityApprox. 8.5 litresCoolant capacityApprox. 15 litresRotation from flywheel endAnti-clockwiseDry engine weightApprox. 462 kgWet engine weightApprox. 489 kgPrimary applicationMarine auxiliary / generator set
Exact specifications, dimensions, equipment and ratings can vary according to engine build, generator arrangement and installation.
Perkins 4.4GM Spare Parts & Components
We can source a broad selection of Perkins 4.4GM engine parts for routine maintenance, corrective repairs and major engine overhaul requirements.
Cylinder & Internal Engine Parts
Internal engine components are critical for maintaining compression, combustion efficiency and correct mechanical operation.
Available parts can include:
- Pistons
- Piston rings
- Piston pins
- Connecting rods
- Connecting rod bearings
- Main bearings
- Cylinder liners
- Crankshaft components
- Camshaft components
- Tappets
- Thrust washers
- Bushings
- Internal seals and O-rings
Major internal components should always be matched to the exact engine build and serial number before ordering.
Perkins 4.4GM Cylinder Head Parts
We can source Perkins 4.4GM cylinder head components for repair and overhaul work.
Requirements can include:
- Cylinder head assemblies
- Inlet valves
- Exhaust valves
- Valve guides
- Valve seats
- Valve springs
- Rocker components
- Push rods
- Cylinder head gaskets
- Valve stem seals
- Gasket sets
Cylinder head components can differ according to engine production revision, so serial-number verification remains important.
Perkins 4.4GM Fuel System Parts
The Perkins 4.4GM uses a direct-injection diesel fuel system with a rotary fuel injection pump.
We can assist with fuel-system components including:
- Fuel injection pumps
- Fuel injectors
- Injector nozzles
- Fuel lift pumps
- Fuel filters
- Fuel filter assemblies
- Fuel/water separator components
- Fuel pipes
- Injector pipes
- Return lines
- Fuel fittings
- Seals and O-rings
Fuel injection components should not be selected purely from the engine family name.
When requesting a Perkins 4.4GM injection pump or injector, provide the engine serial number together with any identification numbers visible on the existing component.
Perkins 4.4GM Cooling System Parts
Correct cooling-system operation is essential for a marine auxiliary engine that may operate continuously under generator load.
The Perkins 4.4GM uses a liquid-cooling arrangement with gear-driven fresh-water and auxiliary water pumps.
Cooling-system requirements can include:
- Fresh-water pumps
- Auxiliary water pumps
- Water pump repair components
- Thermostats
- Thermostat housings
- Heat exchanger components
- Coolant pipes
- Cooling hoses
- Water connections
- Gaskets
- O-rings
- Temperature sensors and switches
A loss of coolant circulation can lead to elevated operating temperature and potentially serious engine damage.
Always confirm whether the required component belongs to the fresh-water circuit or auxiliary/raw-water circuit before ordering a replacement pump.
Perkins 4.4GM Water Pumps
Water pumps are among the important service and repair components on the Perkins 4.4GM.
Depending on the exact requirement, customers may be looking for a:
Fresh-water pump
or
Auxiliary / raw-water pump
These components perform different functions within the cooling system and should not automatically be treated as interchangeable.
For accurate identification of a Perkins 4.4GM water pump, send us:
Engine model + engine serial number + existing pump part number + photographs when available
Perkins 4.4GM Lubrication System Parts
Correct lubrication protects the crankshaft, bearings, pistons, camshaft and other moving engine components.
We can source lubrication-system parts including:
- Lubricating oil pumps
- Oil filters
- Oil filter housings
- Oil coolers
- Oil cooler components
- Oil pressure switches
- Oil pressure sensors
- Dipsticks
- Sump components
- Gaskets
- Seals
- O-rings
The Perkins 4.4GM uses a full-flow spin-on lubrication oil filter together with an integral lubrication oil cooler.
Perkins 4.4GM Filters & Maintenance Parts
Routine maintenance requirements for the Perkins 4.4GM commonly involve replacing filtration and sealing components.
We can assist with:
- Engine oil filters
- Fuel filters
- Fuel/water separator elements
- Air filters
- Gaskets
- O-rings
- Sealing washers
- Belts
- Thermostats
- Hose components
- Maintenance kits
The correct filter should always be selected according to the exact engine installation and part reference rather than assuming that every Perkins 4.4 engine uses the same filter.
Perkins 4.4GM Electrical & Control Parts
Electrical and control components are essential for starting, monitoring and protecting a marine generator engine.
Available components can include:
- Starter motors
- Alternators
- Wiring harnesses
- Electronic governor components
- Relays
- Engine switches
- Coolant temperature switches
- Oil pressure switches
- Sensors
- Connectors
- Solenoids
The Perkins 4.4GM can use an electronic governor arrangement, so control components should be matched carefully to the individual engine and generator configuration.
Perkins 4.4GM Gaskets & Seals
We supply individual seals and complete gasket requirements for maintenance and overhaul work.
Parts can include:
- Cylinder head gaskets
- Rocker cover gaskets
- Exhaust manifold gaskets
- Inlet manifold gaskets
- Oil sump gaskets
- Water pump gaskets
- Oil cooler seals
- O-rings
- Front and rear crankshaft seals
- Injector seals
- Complete gasket sets
For major repairs, supplying the engine serial number helps determine the correct gasket and seal configuration.
Perkins 4.4GM Overhaul Parts
For engines requiring more extensive repair, Alfa Marine Spare Parts can assist with Perkins 4.4GM overhaul components and overhaul kits.
Requirements may include:
- Pistons
- Piston ring sets
- Cylinder liners
- Main bearings
- Connecting rod bearings
- Thrust bearings
- Valve components
- Cylinder head gaskets
- Complete gasket sets
- Crankshaft seals
- Connecting rod components
- Oil pump components
- Water pump components
- Fuel-system parts
An overhaul requirement should preferably be submitted as a complete parts list together with the engine serial number.
This allows individual components to be checked against the correct engine build before quotation.
Perkins 4.4GM Marine Generator Applications
The Perkins 4.4GM is primarily designed as a marine auxiliary engine and can be used to drive generating equipment providing electrical power onboard a vessel.
Applications can include:
- Commercial vessels
- Workboats
- Fishing vessels
- Offshore vessels
- Service vessels
- Yachts
- Superyachts
- Marine generator sets
- Auxiliary power installations
- Harbour and coastal vessels
The actual generator output and installation configuration depend on the alternator, electrical frequency, engine speed and generator manufacturer.
Because the 4.4GM can operate at 1500 or 1800 rpm, the engine may be encountered in different generator arrangements depending on the required electrical frequency and installation.
Perkins 4.4GM Parts Identification
Correct identification is particularly important when sourcing components for a Perkins marine engine.
Do not order an engine component based only on the description:
“Perkins 4.4 marine engine”
The Perkins 4.4 marine auxiliary family contains multiple engine configurations, including naturally aspirated, turbocharged and turbocharged/intercooled versions.
For a Perkins 4.4GM parts request, provide:
Engine model: Perkins 4.4GM
Engine serial number:
Existing part number:
Part description:
Quantity:
Required condition: Genuine / OEM / Replacement
Delivery destination:
Photographs of the existing component and engine identification plate can also help with parts identification.
Perkins 4.4GM vs 4.4TGM
The Perkins 4.4GM and Perkins 4.4TGM belong to the same general 4.4-litre marine auxiliary engine family, but they should not be treated as identical engines.
The principal distinction is aspiration:
EngineAspirationPerkins 4.4GMNaturally aspiratedPerkins 4.4TGMTurbocharged
The 4.4TGM consequently has a higher published power range than the naturally aspirated 4.4GM.
Components associated with the air-intake, exhaust, fuel, cooling and internal engine systems can therefore differ.
Always provide the complete engine model when requesting parts.
Related Perkins 4.4 Marine Engines
The Perkins 4.4GM belongs to a wider family of Perkins marine auxiliary engines.
Related engine configurations include:
- Perkins 4.4GM Perkins 4.4GM Marine Engine Parts, Spares & Overhaul Kits | Alfa Marine Spare Parts
- Perkins 4.4TGM
- Perkins 4.4TWGM
- Perkins 4.4TW2GM
These models share the same general 4.4-litre engine platform but use different aspiration and equipment configurations.
They should not be treated as identical for spare-parts selection.
For information about our wider engine and parts range, visit our Perkins Marine Engine Parts page.
Worldwide Supply of Perkins 4.4GM Parts
Alfa Marine Spare Parts supplies and sources Perkins 4.4GM marine generator parts for customers worldwide.
We support parts requirements for shipowners, vessel operators, yacht managers, marine engineers, shipyards, repair workshops and generator service companies.
International enquiries can be handled for customers in locations including:
Netherlands, Spain, France, United Kingdom, Italy, Monaco, Croatia, Portugal, Miami, Florida, Texas, Canada, Dubai, UAE, Nigeria and other major marine locations worldwide.
Depending on availability and the individual component, parts can be sourced as genuine, OEM or suitable replacement supply.
Why Choose Alfa Marine Spare Parts?
Marine engine parts require accurate identification, particularly when engines have been produced in multiple configurations and revisions.
We can assist customers with:
- Perkins engine parts identification
- Genuine, OEM and replacement sourcing
- Routine maintenance components
- Cooling-system parts
- Fuel-system components
- Water pumps
- Internal engine parts
- Overhaul requirements
- International supply
- Commercial vessel and yacht applications
Providing complete engine information from the beginning helps us identify the correct components and prepare an accurate quotation.
Frequently Asked QuestionsWhat engine is the Perkins 4.4GM?
The Perkins 4.4GM is a 4.4-litre, four-cylinder naturally aspirated diesel engine designed primarily for marine auxiliary and generator applications.
Is the Perkins 4.4GM turbocharged?
No. The 4.4GM is naturally aspirated.
The related Perkins 4.4TGM is turbocharged, which is an important distinction when identifying replacement components.
What is the displacement of the Perkins 4.4GM?
The engine has a displacement of approximately 4.4 litres.
What is the bore and stroke?
The Perkins 4.4GM uses a 105 mm bore and 127 mm stroke.
What speed does a Perkins 4.4GM operate at?
Published rated engine speeds are 1500 to 1800 rpm, depending on the application and generator configuration.
What is the power output of the Perkins 4.4GM?
Published engine ratings range from approximately 42.7 to 49.1 kW, equivalent to approximately 57.3 to 65.8 hp.
Exact generator output depends on the installed generating equipment and configuration.
Can you supply Perkins 4.4GM water pumps?
Yes. We can assist with Perkins 4.4GM fresh-water pumps, auxiliary water pumps and related cooling-system components, subject to correct engine identification and availability.
Can you supply Perkins 4.4GM injectors and fuel-system parts?
Yes. Fuel-system requirements can include injectors, injector nozzles, injection pumps, lift pumps, filters, fuel lines and related components.
Provide the engine serial number and existing component number whenever possible.
Can you supply overhaul parts for the Perkins 4.4GM?
Yes. We can source individual internal engine components and complete requirements for Perkins 4.4GM repair and overhaul work.
What information do you need to identify a Perkins 4.4GM part?
Whenever possible, send:
Perkins 4.4GM + complete engine serial number + existing part number + part description
Photographs and generator information can also be useful when the original part number is unavailable.
Request Perkins 4.4GM Marine Engine Parts
Looking for Perkins 4.4GM marine engine parts, generator spares, maintenance components or overhaul parts?
Send us your:
Engine model: Perkins 4.4GM
Engine serial number:
Part number:
Part description:
Quantity:
Required condition: Genuine / OEM / Replacement
Delivery destination:
For components without a visible part number, you can also send photographs of the existing part and the engine identification plate.