Smart Fluid Systems

What are COHLINE's main products?

COHLINE develops and manufactures high-quality pipe and hose systems for applications in the fields of fuel supply, cooling, hydraulics, oil supply, turbochargers and hydrogen technology.

Our products are used in the automotive industry, commercial vehicle technology, agricultural and construction machinery, and in the non-automotive sector.

What types of vehicle cables does COHLINE offer?

We offer a wide range of vehicle lines, including:

  • Fuel lines (low pressure, high pressure, with sensors)
  • Turbocharger lines (oil, compressed air and cooling water lines)
  • Hydraulic lines for power steering systems, for active chassis stabilization, hydraulic seat stabilization
  • Coolant pipes for combustion engines and e-mobility
  • Engine oil- and gearbox oil cooler lines
  • Sensor cables with integrated measurement technology
  • Brake lines manufactured to the highest safety standards
  • Hydrogen pipelines (high and low pressure, fuel cells, etc.)
  • Dipstick guide tubes / dipstick guide

What materials does COHLINE use for pipe systems?

Our piping systems are made from a variety of high-quality materials, including:

  • Metals: stainless steel, steel, aluminium, brass, copper
  • Plastics: polyamide (PA), PTFE
  • Elastomers: NBR, CR, EPDM, CSM, FPM, AEM, ECO

These materials are combined depending on the application to ensure optimum pressure, temperature and media resistance.

Does COHLINE also offer customised solutions?

Yes! COHLINE specialises in customer-specific cable management systems. Our experienced development team works closely with customers to analyse individual requirements and develop tailor-made solutions – from conception and prototype construction to series production.

What solutions does COHLINE offer for alternative drive systems?

COHLINE develops innovative pipe systems for various alternative drive technologies, including:

  • Battery electric vehicles (BEV)
  • Fuel cell vehicles
  • Vehicles with hydrogen engines
  • Combustion engine vehicles with e-fuels

Our products support thermal management, braking and steering systems, and hydrogen transport – essential for the efficiency and safety of modern drive concepts.

In which areas does COHLINE use hydrogen technology?

COHLINE develops piping systems for the safe transport of hydrogen in various applications, such as fuel cells and H2 combustion engines. These solutions are particularly relevant for use in commercial vehicles, ships and, in the future, also in the aviation sector.

Our high-pressure pipes are certified according to EC79.

Does COHLINE also develop products for other industries?

Yes, COHLINE successfully transfers its expertise from the automotive industry to other areas. Examples of cross-industry solutions include:

  • Agricultural machinery
  • Marine technology
  • Compressors for fuel cells
  • Household appliances such as dishwashers, washing machines and refrigerators

What sets COHLINE products apart?

  • Highest quality and precision
  • Innovative manufacturing technologies
  • Many years of experience since 1932
  • Certifications according to IATF 16949, ISO 14001 and ISO 45001
  • Sustainable and future-oriented solutions, e.g. for hydrogen applications

How can I place an order?

Please contact our sales department: Contact - COHLINE GmbH

Where can I find the contact details for sales?

On our homepage under the following link

What career opportunities does Cohline offer?

COHLINE offers individual support and further training opportunities.

How can I apply?

Please send applications by email to bewerbung@cohline.de. The contact person is Ms Koppen.

Does Cohline offer apprenticeships or internships?

Yes, we offer apprenticeships for industrial clerks (m/f/d) and tool mechanics (m/w/d). Unsere Azubis - COHLINE GmbH

Internships are available in technical, commercial and industrial fields. Apprenticeship - COHLINE GmbH