About company

Diesel-Asennus Oy is a Finnish corporation which services diesel engines and related equipment, including fuel systems, no matter what type. Diesel-Asennus also remanufactures and distributes fuel system equipment's and spare parts.

Company is an authorized Bosch Diesel Center, we are also authorized to work on other main diesel OE manufacturers including Delphi, Denso, VDO, Yanmar and Finland’s one and only Zexel. Our specialties is in-depth knowledge of diesel engine and systems for most brands such as CAT, Cummins, Daimler, Isuzu, Mitsubishi, Perkins and Volvo.

Diesel-Asennus Oy was founded in 1956 by Matti Leinonen, since then the company has been a diesel engine specialist. In the early 1980s Aimo Simola became the CEO of the company. When Simola retired in 1996, Petri Saxman who was an employee in company at the time decided to buy full ownership of the company. Since then he has been company´s owner and CEO.

Our services

  • Professional repair solutions and maintenance for all diesel systems
  • Extensive stock: diesel spare parts, reconditioned, factory-repaired, new Original Equipment injection pumps and injectors
  • Diesel expertise for local motorists, garages and commercial vehicles
  • New turbochargers distributing of major brands


SERVICE: 09 8240 4700
Email: info(at)dieselasennus.fi
Address: Nietostie 9
01390 VANTAA

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Bosch Diesel Center

ZEXEL ruiskutus-, syöttö- ja jakajapumput

Delphi ruiskutus-, syöttö- ja jakajapumput, suuttimet

Denso ruiskutus-, syöttö- ja jakajapumput, suuttimet

Kohler Lombardini

Lombardini Kohler työkone-, pienkone- ja moottorihuolto

Eberspächer polttoainekäyttöiset lisälämmittimet

Webasto polttoainekäyttöiset lisälämmitimet

Luotettava kumppani, Tilaajavastuu