Specialized in supplying OEM spare parts suitable for Wärtsilä engines. For all your maintenance, repair and overhaul needs.

Sourcing for spare parts?

Select from more than 10.000 parts and request a free quote

Innovation to take components from an idea all the way to the client.

Quality and service

4TaKT BV is the Wärtsilä specialist

You can rely on 4TaKT BV, 24 hours a day. Our delivery program consists of high-quality OEM spare parts suitable for the models Wärtsilä L20, Wärtsilä L20DF, Wärtsilä L26, Wärtsilä Vasa32, Wärtsilä W32, Wärtsilä L38 and Wärtsilä L46 / 50DF. Daily sourcing components by our purchase and technical team makes us highly competitive on the Wärtsilä engine series.
30+ years experience

Fast quotation, fast delivery

4TaKT BV specialises in the Finnish brand Wärtsilä. We have gained over 30 years’ experience in the supply, replacement, repair and overhauling of all main running parts of these diesel engines. To complete our comprehensive range, 4TaKT BV offers many important items relating to pumps, thermostats, pipework, starting systems and coolers.

latest news

We are officially ISO 9001 certified!

We are officially ISO 9001 certified!

On October 30th 2024, we were informed that we have been awarded the ISO 9001:2015 certification. We are extremely proud that 4TaKT Engineering & Diesel Components BV is now an...
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We are officially ISO 9001 certified!

We are officially ISO 9001 certified!

On October 30th 2024, we were informed that we have been awarded the ISO 9001:2015 certification. We are extremely proud that 4TaKT Engineering & Diesel Components BV is now an...
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SMM Hamburg 2024. We did it again!

SMM Hamburg 2024. We did it again!

It makes no difference to us whether you are a new or current customer at 4TaKT BV. We were pleased that we could take the time for you, and we...
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What makes the Megasol 400 so special?

What makes the Megasol 400 so special?

The Megasol 400 has a longer lifetime (solenoid/anchor; coating), has an optimized hub for for better dynamic alongside a shorter open/closing time. It also has higher residual air gaps as well...
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Nanol Marine Lubricant Oil Additive reduces fuel consumption by up to 5%

Nanol Marine Lubricant Oil Additive reduces fuel consumption by up to 5%

Nanol is a patented discovery and represents and innovative lubricant additive, which significantly reduces internal friction and wear of surfaces due to a thin protective layer. Formed by copper nanoparticles....
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