“Without doubt the best connection”

"Without doubt the best connection" is the objective we aim to guarantee our customers. We therefore see ourselves not just as a supplier of electromechanical components and plug connectors, mainly for the automobile industry. Instead we provide imaginative, high-quality, rugged plug connector systems. Our strengths are:

  • Expertise in low-cost systems
  • Wide varieties and individual solutions
  • Compact, low-weight components

  • A wide range of production technologies
  • Global presence and expertise built over more than 8 decades

Discover Our Products

KOSTAL Kontakt Systeme GmbH & Co. KG offers a wide range of technologies, product variants and individual solutions. Our plug connectors have set new standards world-wide.

Contact Systems

KOSTAL Kontakt Systeme GmbH & Co. KG is a leading supplier of high-quality contact systems. With the introduction of the MLK 1,2 connector system we have set a standard accepted world-wide.

Plug Connector Systems

As well as standard plug connector families, KOSTAL Kontakt Systeme GmbH & Co. KG also produces specific solutions for individual customers.

Rugged Plug Connectors

Rugged plug connectors for extreme requirements. KOSTAL Kontakt Systeme GmbH & Co. KG is a leading supplier of plug connectors immersed in oil in automatic gearboxes - even in aggressive oils.


KOSTAL Kontakt Systeme GmbH & Co. KG is a leading supplier of innovative plug connector systems for electromobility applications, including electric vehicles, hybrid vehicles and 48 V applications


Plug connector systems to fit in any location. KOSTAL Kontakt Systeme GmbH & Co. KG designs and develops miniaturized plug connectors to suit automotive applications in the smallest spaces.

KOSTAL Kontakt Systeme Product One Pager

Download product information

For a quick overview: Our one-pagers provide information on applications, benefits and dimensions of our products, among other things. They are available in English only.