Marine Spare Parts & Technical Components

Gtech Europe AB is a marine spare parts supplier providing technical components for engines, turbochargers, pumps, purifiers, hydraulic and electrical systems used in commercial vessels and offshore units and marine projects worldwide, supporting both routine maintenance and project requirements. As stock availability changes frequently, not all items are displayed on the website. For availability and pricing, please send model, serial number, and required components to sales@gtecheurope.se. For technical verification or project-related inquiries, you may contact our technical team at info@gtecheurope.se. Alternatively, you may submit your request via our contact form.

The product groups below represent commonly supplied categories and examples of supported brands and models.

Product names, trademarks and brands are used for identification and reference purposes only.

Main & Auxiliary Engine Spare Parts

We supply spare parts and selected components for two-stroke and four-stroke marine engines used in commercial, offshore and specialized vessels, including fuel injection, air and lubrication systems. Support covers engine systems related to maintenance, scheduled overhauls, breakdown repairs and project-based requirements, depending on engine type and configuration. Supported engine brands include MAN, MAN B&W, MAK, Wärtsilä, Deutz, Yanmar, Cummins, Daihatsu, Bergen and Caterpillar (CAT), as well as other commonly used marine and auxiliary engine manufacturers. Selected components currently available can be viewed in our Stock Highlights.

Commonly supported engine models and series include, for example:

MAN / MAN B&W : Medium-speed engines: L23/30, L27/38, L32/40, Two-stroke engines: L-series, ME / MC series
MAK : M20, M25, M32, M43
Wärtsilä : 20, 26, 32, 34 engine series
Deutz : 816, 628, 540, 645 series
Yanmar : 6N, 6EY series, Auxiliary engine series
Cummins : K-series, NTA-series, Marine auxiliary engines
Daihatsu : DK-20, DK-26, DK-28 series
Bergen : K-series, B-series, Medium-speed engine series
Caterpillar (CAT) : 3400 series, 3500 series, Marine auxiliary engine series

Typical components supplied include, but are not limited to:

Pistons
Piston rings
Cylinder liners
Cylinder covers
Cylinder heads
Main bearings
Connecting rod bearings
Thrust bearings
Crankshafts and crankshaft components
Camshafts
Cam followers
Fuel injection pumps
Fuel injectors and injection nozzles
Fuel valves
Exhaust valves
Exhaust valve spindles
Valve seats
Valve cages
Air starting valves
Seals, gaskets, and O-rings
Cooling system components
Lubrication system components

Support for additional engine brands, discontinued models, and legacy engine series is available upon request, based on technical specifications and availability.

Turbochargers & Air Systems

We supply marine turbocharger spare parts and components for ABB, MAN Energy Solutions, KBB, BorgWarner / KKK, Mitsubishi Turbocharger, Holset / Cummins Turbo Technologies, Napier, and other widely used marine turbocharger units used across commercial and offshore vessels.Typical supply scope includes core components such as bearings, seal kits, nozzle rings, turbine and compressor parts, as well as selected service and overhaul-related items. For availability and pricing, please send equipment model, serial number and required components to sales@gtecheurope.se. Selected turbocharger components currently available can be viewed in our Stock Highlights.

Commonly supported turbocharger models and series include, for example:

ABB : VTR series (VTR 160 / 200 / 250 / 300 / 400), VTC series, TPS series (TPS 44 / 48 / 52 / 57 / 61), TPL series, A100 series, A200 series
MAN Energy Solutions : NA series (NA 40 / 48 / 57), TCA series, TCR series
KBB: HPR series, ST series
BorgWarner / KKK : K series, K2 / K3 / K4 series, HX series (marine and auxiliary applications)
Mitsubishi Turbocharger : MET series (MET 18 / 26 / 30 / 42 / 53), MET-MB series, MET-SC series
Holset / Cummins Turbo Technologies : HX series, HT series Marine and auxiliary turbocharger applications
Napier : NA series, 457 / 458 series, Other legacy and medium-speed turbocharger models
Other turbocharger brands : Support available for additional OEM and legacy turbocharger types upon request

Typical turbocharger and air system components supplied include, but are not limited to:

Turbine wheels
Compressor wheels
Shaft assemblies
Bearing housings
Journal bearings
Thrust bearings
Nozzle rings
Diffusers
Turbine casings
Compressor casings
Backplates
Seal rings
Labyrinth seals
O-rings and gaskets
Air intake filters
Silencers
Charge air system components

Support is also provided for complete turbocharger overhauls, replacement units, and associated air system components based on engine and turbocharger configuration. Additional turbocharger models, older series, and discontinued types can be supported upon request.

Pumps & Fluid Handling Systems

We supply marine pump spare parts and components for a wide range of centrifugal, screw, gear and positive displacement pumps used onboard commercial and offshore vessels. Support typically covers pumps installed in fuel oil, lubricating oil, cooling water, ballast, bilge and cargo systems, depending on vessel type and application. Commonly supported pump brands include Allweiler, IMO, DESMI, Alfa Laval, Bornemann, Hamworthy and other widely used marine pump manufacturers. Availability and supply options are confirmed based on equipment details and technical specifications. Selected components currently available can be viewed in our Stock Highlights.

Commonly supported pump models and series include, for example:

Allweiler : NTT series (NTT 25, NTT 40, NTT 50, NTT 65), SN / SNS series (SN 40, SN 65, SN 80) , NPR series progressing cavity pumps
IMO : ACD series (ACD 042, ACD 052, ACD 075), ACE series (ACE 032, ACE 040), A / D series screw pumps
DESMI : NSL series (NSL 125, NSL 160, NSL 200), DSL series centrifugal pumps, MOD series vertical centrifugal pumps
Alfa Laval : MAB / MAP centrifugal pumps, LKH series (LKH 25, LKH 40, LKH 60), Fuel and lube oil pump systems
Bornemann : SLH series (SLH 4G, SLH 5G), HGE series, Twin-screw pump systems
Hamworthy : Bilge and ballast pump systems, Cooling water and auxiliary pump systems
Other pump manufacturers : Support available for additional OEM and legacy pump types upon request

Typical pump and fluid system components supplied include, but are not limited to:

Complete pump units
Pump casings
Screw elements
Shafts and rotors
Impellers
Mechanical seals
Seal housings
Bearings
Wear plates
Couplings
Motors (as applicable)
Gaskets and O-rings
Pump service and repair kits

Support is also provided for pump overhauls, replacement units, and associated fluid handling components based on system configuration and operational requirements. Additional pump brands, older series, and discontinued models can be supported upon request.

Purifiers & Separator Systems

We supply spare parts and selected components for marine oil and fuel purification systems used onboard commercial and offshore vessels.
Support typically covers centrifugal separators installed for fuel oil, lubricating oil and hydraulic oil treatment, depending on system configuration and operating requirements. Commonly supported purifier and separator brands include Alfa Laval and GEA Westfalia, including widely used marine series applied in continuous and batch separation systems. Availability and supply options are confirmed based on purifier model, configuration and required components. Selected components currently available can be viewed in our Stock Highlights.

Commonly supported purifier and separator models and series include, for example:

Alfa Laval : MOPX series (MOPX 205, MOPX 207, MOPX 209, MOPX 210), MMPX series (MMPX 303, MMPX 304, MMPX 305), WHPX series (WHPX 407, WHPX 410, WHPX 420), A-series separators (A10, A15, A20), Fuel and lube oil purifier systems
GEA Westfalia : OSD series (OSD 130, OSD 140, OSD 150), HMS series, Self-cleaning separator systems, Fuel and lubricating oil treatment units
Other separator systems : Support available for additional OEM and legacy purifier types upon request

Typical purifier and separation system components supplied include, but are not limited to:

Separator bowls
Disc stacks
Spindles
Vertical shafts
Bearings
Seals and O-rings
Gaskets
Sliding bowls
Operating water components
Drive components
Control and monitoring components
Complete service and overhaul kits

Support is also provided for purifier overhauls, system refurbishment, replacement units, and associated separation system components based on system configuration and operational requirements. Additional purifier models, older series, and discontinued units can be supported upon request.

Cargo & Tank Systems

We supply cargo and tank system components used in marine tank venting, cargo handling, and tank cleaning operations onboard commercial vessels, tankers, and offshore units. Support includes certified pressure/vacuum (P/V) valves, flame arrestors, tank vent heads, and fixed tank cleaning machines designed in accordance with IMO and classification society requirements. Availability and supply options are confirmed based on system configuration, vessel type, and technical specifications. Selected cargo and tank system equipment currently available can be viewed in our Stock Highlights.

Commonly supported cargo and tank system brands and series include, for example:

PRES-VAC Engineering: HS / ISO series P/V valves, High Velocity vent valves, flame arrestor units
Alfa Laval / Toftejorg: I-series (I40S, I80), SaniMidget, Gamajet tank cleaning systems
GEA Group: Tank venting and cargo handling components
SVT / Schottel Vent Technology: Tank vent heads and safety valves
Protectoseal: Marine pressure/vacuum relief valves and flame arrestors
Other cargo venting and tank cleaning OEMs supported upon request

Typical cargo and tank system components supplied include, but are not limited to:

Pressure/Vacuum valves (P/V valves)
High Velocity Vent valves
Flame arrestors and explosion protection units
Tank vent heads
Fixed tank cleaning machines
Tank cleaning nozzles and rotating jet heads
Wire mesh flame elements
Replacement sealing kits and overhaul parts
Actuation and control accessories

Hydraulics & Deck Machinery Components

We supply spare parts and selected components for marine hydraulic systems used in deck machinery, propulsion-related equipment and auxiliary onboard applications. Support typically covers hydraulic systems installed in steering gear, stabilizers, winches, cranes, hatch covers, valves and power units, depending on system design and operating conditions. Commonly supported hydraulic brands include Bosch Rexroth, Hägglunds, Denison, Kawasaki, Parker, Yuken, Bucher and Damcos, as well as other widely used marine hydraulic manufacturers. Availability and supply options are confirmed based on system configuration, component identification and technical specifications. Selected components currently available can be viewed in our Stock Highlights.

Commonly supported hydraulic models and series include, for example:

Rexroth / Bosch Rexroth : A4VSO series (A4VSO 40 / 71 / 125 / 180), A10VSO series (A10VSO 28 / 45 / 71 / 100), A11VO series (A11VO 60 / 75 / 95 / 130), Hydraulic pumps, motors, and valve systems for marine power units
Hägglunds : CB series radial piston motors, CA series radial piston motors, Direct drive hydraulic motor systems, Radial piston motors, Direct drive hydraulic motor systems
Denison : T6 (T6C, T6D, T6E) / T7 vane pump series, Directional and pressure control valve platforms
Kawasaki : K3V series axial piston pumps (K3V63, K3V112, K3V140), axial piston pump series, Hydraulic motors and control systems
Hydromatik : Axial piston pumps and motors, Legacy Hydromatik hydraulic platforms (A2V, A2VK families, now part of Rexroth portfolio)
Framo : Cargo and pump room hydraulic systems, Deepwell pump hydraulic drive systems
Parker : PV series axial piston pumps, PVP series variable displacement pumps, Marine hydraulic pump platforms, Directional, proportional, and cartridge valve systems
Nachi : PVS series axial piston pumps, VDC / VDR series vane pump systems
Yuken : DSG series directional control valves, DSHG series solenoid operated valves, Directional and pressure control valves, Modular valve systems
Bucher : QXEH / QXEM series gear pumps, Compact hydraulic power units, Control valve platforms
Damcos : hydraulic valve actuators and control systems for cargo and ballast valve operation, BRC series actuators, BRCF series fail-safe actuators, BRCV series valve control actuators

Support for additional hydraulic brands, regional OEMs, older systems, and legacy deck machinery hydraulics is available upon request.

Typical hydraulic and deck machinery components supplied include, but are not limited to:

Axial piston pumps
Radial piston pumps
Vane pumps
Gear pumps
Variable and fixed displacement pumps
Hydraulic motors (axial, radial, and direct drive)
Directional control valves
Pressure control valves
Flow control valves
Proportional valves
Cartridge valves
Valve blocks and manifolds
Hydraulic cylinders
Steering gear cylinders
Deck machinery actuators
Hydraulic power units (HPU)
Accumulators
Filters and filter housings
Coolers and heat exchangers
Hoses, fittings, and couplings
Seal kits, gasket sets, and service kits
Hydraulic sensors and instrumentation
Winch hydraulic components
Windlass hydraulic components
Crane hydraulic components

Support is also provided for hydraulic system troubleshooting, refurbishment, and overhaul planning, based on vessel configuration and operational requirements.

Electrical & Automation Components

We supply spare parts and selected components for marine electrical and automation systems used onboard commercial, offshore and specialized vessels.
Support typically covers power generation and distribution, control and monitoring systems, safety and alarm systems, propulsion-related electrical components, as well as electrical equipment used in deck machinery and auxiliary applications. Commonly supported systems include switchboards, governors, protection and control units, sensors, monitoring equipment and selected automation components used in engines, generators, stabilizers and other onboard systems. Supported electrical and automation brands include DEIF, Woodward, ABB, Siemens, GE, Schneider Electric and Kongsberg, as well as other widely used marine electrical manufacturers. Availability and supply options are confirmed based on system configuration, equipment identification and technical specifications. Selected components currently available can be viewed in our Stock Highlights.

Commonly supported electrical and automation systems and components include, for example:

DEIF : AGC-4 generator controllers, AGC-150 power management controllers, PPM-3 / PPM-4 power management systems, Synchronization and load-sharing control units
Woodward : 2301 series engine governors, 505 / 505E control units, 723 / 723PLUS digital control systems, ProAct electric actuators
ABB : AC800M marine automation systems, System 800xA marine control platforms, Emax and Tmax circuit breakers, Marine drives and power conversion systems
Siemens : SIMATIC S7 PLC systems, SIRIUS control and protection devices, Marine automation and monitoring platforms, Power distribution and protection systems
GE : Electrical power distribution equipment, Generator control and protection systems, Marine and auxiliary power system components
Schneider Electric : Masterpact circuit breaker series, Compact NS protection devices, Power monitoring and distribution components
Kongsberg : K-Chief vessel automation systems, K-Power power management systems, Alarm, monitoring, and propulsion control interfaces

Support for additional electrical brands, legacy systems, and discontinued automation platforms is available upon request.

Typical electrical and automation components supplied include, but are not limited to:

Generator control units and power management controllers
Engine control units, governors, and actuators
Alarm and monitoring system components
PLC modules and I/O units
Sensors (pressure, temperature, speed, position)
Circuit breakers and protective devices
Relays and contactors
Switchgear and distribution panels
Power supplies and transformers
Cabling, connectors, and junction boxes

Support is also provided for system replacements, fault diagnostics, upgrades, and integration of electrical and automation components, based on vessel systems and operational requirements.

Consumables & Wear Parts

We supply a range of marine consumables and wear parts required for routine maintenance, planned overhauls and ongoing vessel operation. Support typically covers frequently replaced components used across engine rooms, deck equipment and auxiliary systems, selected based on technical requirements and operational conditions. Common consumable categories include filters, sealing elements, gaskets, anodes, hoses, belts and other wear-related components used in marine machinery and systems, supporting reliable operation of engines, auxiliary machinery, compressors, pumps and other onboard systems. Supported consumables and wear part manufacturers include Sasakura, Danfoss, Hatlapa, Sperre, Carrier, Sulzer and JAM, as well as other marine equipment and system suppliers. Consumables and wear parts are supplied based on equipment type, specifications and application requirements.Selected components currently available can be viewed in our Stock Highlights.

Commonly supported equipment, models, and series :

Sasakura : Marine evaporators / freshwater generators, X-series distillers, HK-series heat transfer components
Danfoss : Marine refrigeration and HVAC control valves, Pressure and temperature control devices, Electronic expansion valves and system regulators
Hatlapa : Marine air compressors and system units such as L9 / L14 / L20 / L35 / L80 / L100 series piston compressors, Water-cooled and air-cooled compressor family ranges, Steering gear and deck machinery components
Sperre : Marine air compressors and high-pressure air systems, HL-series (e.g., HL2/105, HL2/120, HL2/140, HL2/160), HV-series (e.g., HV1/85, HV2/200, HV2/240, HV2/285, HV2/300), Widely used piston compressor families on offshore and merchant fleets
Carrier : Marine refrigeration compressors and condensing units, Commercial HVAC pump and compressor assemblies, Refrigeration system consumables and service kits
Sulzer : Replacement pump series such as A Series, ARP / ASP / NPP / NSP / WPP variants for centrifugal and service pumps, Wear parts for rotating equipment (impellers, casings, seals, bearings), Mechanical seal families (TB1 / TB1F / TB2 balanced seals, cartridge seals)
JAM : Marine refrigeration compressors, Refrigeration system wear components and consumables

Support for additional consumable brands, legacy equipment, and discontinued systems is available upon request.

Typical consumables and wear parts supplied include, but are not limited to:

Filters (fuel oil, lubricating oil, hydraulic, air)
Gaskets and sealing elements
O-rings and seal rings
Bearings and bushings
Compressor valves and valve plates
Piston rings and wear rings
Mechanical seals and dynamic seals
Belts and flexible couplings
Refrigeration compressor service parts
Fasteners and fixation elements

Consumables and wear parts are supplied based on equipment type, system configuration, and operational requirements. Availability may vary depending on stock rotation and project needs. Support is also provided for alternative brands, equivalent consumables, and application-specific requirements upon request.

Availability & Inquiries

The products shown are examples of commonly supplied items and supported brands from our warehouse and partner stock. Availability may vary based on inventory rotation and project requirements. For part numbers, manufacturer references, specific quantities, or urgent deliveries, please contact us directly. Our team will confirm availability and advise the most suitable supply solution.

If an item is not immediately available, we support sourcing through our established supplier network based on technical specifications and availability.