• Marine 2-stroke engine services

    Wärtsilä supports 2-stroke marine engines across brands with upgrades, spare parts, maintenance, advisory. Improve efficiency, meet regulations, cut emissions.

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    Marine spare parts

    Genuine, high-quality spare parts from Wärtsilä are reliable and have a long lifetime. They can save you money in the long run.

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    Wärtsilä Health check for two-stroke main engine

    The Wärtsilä Health check for two-stroke main engines provides a clear picture of the engine’s condition and reveals the implications for reliability, fuel consumption and lubrication oil consumption.

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  • Wärtsilä service employees at work
    Smoother ship overhauls with reconditioned parts

    The Wärtsilä Exchange Parts service is a great way to ensure a smooth overhaul. You can avoid costly delays because you will have already reconditioned parts readily available.

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Services and support for your 2-stroke engines

Whether you're operating LNG carriers, container vessels, tankers or bulkers, your 2-stroke engines are central to your profitability. Wärtsilä’s 2-stroke engine services help you get more from your assets because our tailored support can help you cut emissions, improve efficiency and your profitability.

With our services, your 2-stroke engines can keep running better and longer.

 

At a glance: 2-stroke engine services from Wärtsilä

Wärtsilä offers a full portfolio of services for Sulzer, Wärtsilä and WinGD branded 2-stroke low-speed engines. The portfolio of services is designed to help you improve performance and cut emissions, and to support your operational goals. The 2-stroke services offering includes:

Operational reliability and support

  • Spare parts, kits, and parts services
    New and remanufactured parts on exchange basis, tailored kits, and logistics support.
  • Field services and workshops
    Onboard and onshore 2-stroke engine maintenance, troubleshooting and 2-stroke engine repair.
  • Engine health check and pre-dry dock inspection
    Engine’s condition assessments which support your planning and help you avoid surprises.
  • Agreements
    Flexible service agreements tailored to your vessel or fleet.
  • Technical Services 
  • Dry dock services

Efficiency and decarbonisation advisory

  • Engine upgrades
    Proven retrofit packages such as SSUK, FEB, WPLO, ICC, FAST, FuelFlexICU, RPLS and Fit4Power. They can improve fuel efficiency and help you meet compliance requirements.
  • Fuel conversions
    Advisory and implementation support for converting your engines to run on alternative fuels.
  • Decarbonisation advisory
    Vessel specific or fleet-wide guidance to help you meet CII, or other sustainability goals.

Knowledge and crew empowerment

  • Crew instruction
    Training for your crew and technical managers. Achieve safe, efficient engine operation.
  • Remote Operational Support (ROS)
    24/7 expert diagnostics and virtual crew assistance.
  • Agreements
    Flexible service agreements tailored to your vessel or fleet.

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Wärtsilä 2-stroke engine services

Get strategic lifecycle support for your fleet. Your vessel’s 2-stroke engines are under increasing pressure to perform efficiently, comply with evolving regulations, and support your business goals — all while controlling costs.

Operational reliability and support

Keep your vessels running smoothly. From day-to-day operation to dry dock planning, these services help you stay ahead of risks and downtime:

Spare parts, kits, parts, and other services

Wärtsilä 2-stroke services provide reliable OEM spare parts, kits, and parts services for non-Wärtsilä engines. Contact us to get a quotation for spare parts or kits!

Use the same form to request a tailored quotation for any 2-stroke service offering, including engine health checks.

Technical services: expert support for your 2-stroke engines

When your vessel faces technical challenges, you need fast, reliable solutions to keep your fleet running and compliant. Wärtsilä’s technical services for 2-stroke engines put expert support at your fingertips and help you

  • resolve issues quickly
  • prevent costly downtime
  • optimise performance

These services will deliver benefits for your vessels, in particular for LNG carriers, container vessels, tankers, and bulkers.

What you can expect:

  • Immediate expert assistance: Get 24/7 access to Wärtsilä’s technical specialists for troubleshooting, diagnostics, and emergency support—wherever your vessel operates.
  • Comprehensive problem-solving: Benefit from root cause analysis and specialised engineering expertise to resolve complex issues and prevent repeat failures.
  • Proactive maintenance planning: Receive tailored advice and solutions to maximise uptime, extend engine life, and reduce unplanned repairs.
  • Advanced diagnostics and field services: Access laboratory analysis, onboard surveys, and field testing, all customised to your vessel’s operational profile.
  • Crew empowerment: Clear documentation and collaborative learning help your team operate and maintain engines safely and efficiently.

You will benefit from:

  • Proven support for Sulzer, Wärtsilä and WinGD branded 2-stroke low-speed engines
  • Fast response to technical requests and emergencies
  • Solutions that help you comply with regulations and sustainability targets
  • Global reach and deep OEM expertise

Emergency support and remote support

Expert help, wherever you are. When things go wrong, fast and expert support makes all the difference. Wärtsilä’s Remote Operational Support, ROS acts as a virtual crew member and offers:

  • 24/7 remote diagnostics and troubleshooting
  • Emergency repair teams with global reach
  • AI-assisted insights to prevent repeat failures

Ready to act? Contact us to get a quotation for ROS service!

Engineers in expertise centre Jakarta

Decarbonisation advisory for 2-stroke engines to boost compliance and competitiveness

When you need to meet regulations and sustainability targets – or improve your vessel’s efficiency without compromising profitability, Wärtsilä’s Decarbonisation advisory will help you. Our experts provide tailored recommendations based on your vessel type and operational profile.

Wärtsilä can be your strategic partner on the journey to lower emissions and better performance. It is possible to upgrade existing 2-stroke engines to achieve up to 15% improvements in fuel efficiency and emissions reduction, extending vessel lifetime and reducing operating costs.

Case in point: Ulusoy Sealines bulkers improved their CII rating by 5%, saving 250 tons of fuel and 780 tons of CO₂ annually per vessel with Wärtsilä’s integrated upgrade package.

Not sure which upgrades are right for your vessel or fleet?
Contact us to request a free consultation with our experts to explore your options.

Service employees at work

Efficiency improvements for 2-stroke engines

As your vessel matures, so do the demands. A more energy efficient fleet will benefit your bottom line – but how to turn a possibly out-of-shape vessel into an agile, high-performing one?

Wärtsilä helps you stay ahead with upgrades – and experts can advise you on the best choices for your fleet’s operational profile:

Wärtsilä can be your coach on the journey and find the best solutions for your fleet and goals. It is possible to upgrade existing 2-stroke engines to be up to 15% more fuel and emissions efficient.

Wärtsilä Fit4Power

Main engine fitness is an excellent step to take. Wärtsilä Fit4Power radical derating makes the vessel fit for the future and ready to convert to new fuels when the time is right for you. 

It will improve your 2-stroke marine engine efficiency by up to 15%.

Your vessel will:

  • Be leaner thanks to reduced engine bore size
  • Have more efficient propulsion

Be in better health in terms of emissions, servicing and fuel costs, and lifetime.

3D illustration Wärtsilä Fit4Power

Wärtsilä's Fit4Power derating solution aligns with ONE’s operational needs. By optimising engine power output while reducing fuel consumption, Wärtsilä is supporting ONE to achieve our sustainability goals without compromising performance.

Hiroki Tsujii, Global Chief Officer at ONE

Wärtsilä Fit4Fuels

Future-proof your marine engine with Wärtsilä Fit4Fuels, a technology platform for future fuels. Designed for 2-stroke marine engines.

Not sure which upgrades are right for your vessel or fleet?
Contact us to request a free consultation with our experts to explore your options.

3D illustration Wärtsilä Fit4Fuels

Your trusted service partner of WinGD for 2-stroke engines

Wärtsilä is a long-term services partner of WinGD Ltd and authorized global service provider for all WinGD, Wärtsilä and Sulzer branded two-stroke low-speed engines. This is a strong, long-term partnership providing the best main propulsion power technology and lifecycle services to the shipping industry.

Our deep collaboration with WinGD means you benefit from the latest OEM expertise, genuine parts, and lifecycle support.

Why choose Wärtsilä services for your WinGD engines?

  • Official global partner: Wärtsilä is authorised to deliver parts, remanufactured components, tailored kits, and full lifecycle services for WinGD engines.
  • Comprehensive support: From maintenance and health checks to Remote Operational Support (ROS) and flexible service agreements, Wärtsilä covers every aspect of your engine’s needs.
  • Proven expertise: Our specialists have decades of experience supporting WinGD-powered LNG carriers, container vessels, tankers, and bulkers.
  • Global reach: With a worldwide service network, you get fast, reliable support wherever your vessels operate.
  • Continuity and trust: Stay with the partner who knows your fleet, understands your operational goals, and delivers consistent value—don’t risk switching to unproven alternatives.

Protect your investment and ensure the best performance for your WinGD engines—choose Wärtsilä’s authorised services.

Contact us to discuss your WinGD service needs.

Training and crew empowerment

Support your team with tools and training. Your crew and technical managers are key to long-term performance. These services from Wärtsilä will help them stay informed and in control:

  • Training on engine operation, diagnostics, and upgrades
  • Remote Operational Support (ROS) as a virtual crew member
  • Data-driven insights to support decision-making and compliance

WLSA Training Centre Vaasa

Why choose Wärtsilä’s 2-stroke engine services

Wärtsilä services are designed to support a wide range of 2-stroke engines across brands.

Choose Wärtsilä services and you can get:

  • Proven solutions for spare parts, engine health checks, remote support, and performance upgrades.
  • Proven upgrades for fuel savings and emissions reduction
  • Support for 2-stroke engines across brands
  • Global service network and logistics
  • Remote diagnostics and virtual crew support
  • Strategic support across your fleet’s operational lifecycle
  • Fleet-focused advisory for regulatory compliance
  • Expert advisory for decarbonisation and emissions reduction solutions

Your benefits will include:

  • cost savings
  • emissions reduction
  • regulatory compliance
  • lifetime extension.

Agreements: confidence and control for your fleet

Take the uncertainty out of engine maintenance and compliance. With a Wärtsilä service agreement for your 2-stroke engines, you get proactive support, predictable costs, and expert partnership—so you can focus on your business, not on unexpected repairs.

Benefits of a Wärtsilä service agreement:

  • Maximise uptime: Scheduled maintenance and remote monitoring help prevent breakdowns and keep your vessels running.
  • Predictable costs: Flexible agreement options let you plan your budget and avoid surprise expenses.
  • Regulatory peace of mind: Expert technical management ensures your fleet stays compliant with evolving regulations.
  • 24/7 support: Immediate access to Wärtsilä’s global network of specialists, whenever you need help.
  • Tailored partnership: Agreements are customised to your vessel type, operational profile, and business goals.

Frequently Asked Questions

What are Wärtsilä’s 2-stroke marine engine services?

Wärtsilä offers a wide range of services for 2-stroke engines, including spare parts and kits, engine health checks, Remote Operational Support (ROS), field services, training, efficiency upgrades, fuel conversions, and advisory for decarbonisation and regulatory compliance. These services are available for engines from multiple manufacturers.

Can Wärtsilä help improve fuel efficiency and reduce emissions on my vessel?

Yes. Wärtsilä provides upgrade solutions such as xx FAST, xx WPLO, xx ICC, and Fit4Power derating, which are designed to improve fuel efficiency and support compliance with EEXI and CII regulations. Advisory services can help you choose the right upgrades for your vessel or fleet.

Which 2-stroke engine brands does Wärtsilä support?

Wärtsilä’s 2-stroke engine services are available across brands. The services include spare parts, reconditioning, and field support. The company has extensive experience in supporting a wide range of engine types.

Does Wärtsilä support non-Wärtsilä 2-stroke engines?

Absolutely. Wärtsilä supports a wide range of engine brands with parts, services, and upgrades tailored to merchant vessels like LNG carriers, container ships, tankers, and bulkers.

What is Remote Operational Support (ROS) and how does it help?

Remote Operational Support, ROS is Wärtsilä’s service for 2-stroke engines. ROS is like a virtual crew member. It provides 24/7 remote diagnostics, troubleshooting, and expert guidance to help the onboard crews resolve issues quickly, which can reduce downtime or avoid it completely.

Can Wärtsilä help me comply with EEXI and CII regulations?

Yes. Wärtsilä provides advisory services to identify the suitable upgrade solutions for your vessels powered by 2-stroke engines. Upgrades include Fit4Power derating, FAST, WPLO, and ICC that support compliance with EEXI and CII. Our experts can help you choose the right path based on your vessel’s operational profile and regulatory needs.

What types of vessels does Wärtsilä support with 2-stroke services?

Wärtsilä’s 2-stroke lifecycle services support operators of LNG carriers, container vessels, tankers, and bulkers. Service solutions can be tailored according to operational and regulatory needs.

How do I know which upgrades are right for my vessel?

Wärtsilä’s lifetime services for 2-stroke engines include advisory services. Technical experts can assess your vessel’s operational profile and recommend the most effective upgrade path. You can request a consultation using the Contact us form.

Does Wärtsilä offer training for 2-stroke engine operation?

Yes. Wärtsilä provides training for crews and technical managers to improve 2-stroke engine operation, diagnostics, and upgrade implementation.

How can I request a quote for parts or engine services?

Use the Contact us form, fill out your information and specify that you request a tailored quotation for spare parts, kits, engine health checks, or ROS.

Can I get support for planning a dry dock or inspection of my 2-stroke engine?

Yes. Wärtsilä offers engine health checks and pre-dry dock inspections to help you plan maintenance and avoid unexpected issues.

Your fleet. Your goals. Our expertise.

2-stroke engine services from Wärtsilä will take care of your engines and help you meet your decarbonisation needs – with optimal total cost of ownership. 

Whether you operate LNG carriers, container vessels, tankers, or bulkers, we help you get more from your existing assets.

Curious what Wärtsilä could do for your vessel or fleet?
Contact us to request a consultation with our experts — no commitment, just insights.

Wärtsilä Marine. Let's connect.
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