Fluid Transfer Solutions for the World's Best Automobiles

For over 90 years, Cohline has delivered advanced fluid transfer solutions trusted by automotive manufacturers and engineers worldwide

Our Story

Founded in 1932, Cohline has grown into a global engineering partner specialising in advanced fluid management systems.

From fuel oil lines to complex pipe and hose assemblies, our solutions, support some of the most demanding industries including automotive, commercial vehicles, agriculture, and construction machinery.

With decades of engineering expertise and continuous innovation, Cohline remains committed to delivering reliable, modern, high-performance systems.

Our Manston production centre in the UK is equipped with advanced manufacturing technologies capable of producing complex hose and pipe assemblies with exceptional accuracy. We manufacture hose and pipe systems from metals, plastics and elastomers - tailored for performance, durability and safety.

Hans Cohnen (1904-1975)

1944 - World War II bombing of Frankfurt

1944 - Dillenburg

1950 -The company began supplying Ford, Porsche and Daimler-Benz

1951 - Attendance at the first International Motor Show

1952 - Racing innovation to industry standard : Daimler-Benz's a adoption of fuel injection

1958 - A key moment : reaching out to a precision tube manufacturer for production expertise

1964 - Montabaur

Hans Joachim Cohnen (1959-2019)

1989 - Manston

Now

Company Timeline

1932

Founded in Germany

Cohline was established in Flörsheim, Germany, beginning its journey in precision engineering.

1970

Automotive Expansion

Cohline expanded into specialized fuel and fluid transfer systems for the automotive industry.

1990s

Global Growth

The company increased its international manufacturing and engineering capabilities.

Today

Trusted Worldwide

Cohline delivers premium fluid management systems trusted by automotive and industrial partners worldwide.

Why Work With Us

Cohline is a trusted partner in media transport solutions, delivering reliability, engineering expertise, and long-term value across industries.

Strong Industry Expertise

We combine deep production know-how with engineering experience to support product development from early design stages.

Reliable Partnership

We work closely with our customers, building long-term relationships based on trust, communication, and consistent performance.

Solution-Oriented Approach

We develop, manufacture, and deliver high-quality, market-oriented solutions tailored to our partner's needs.

ISO Certified

Certified in accordance with IATF 16949 and ISO 14001, ISO 45001 and TISAX

Our Core Values

Since 1932, we have been delivering high-quality automotive solutions built on innovation and tradition. At Cohline UK, we're committed to excellence, responsibility, and a sustainable future.

Quality - Excellence in Everything

Cohline and quality – one word which every day influences the way we think and deal with ideas, development, purchasing and production of our products and services. Cohline Ltd compares itself to the best and achieves this only by continual improvement in all areas of the organisation.

"Our quality standard is based on the satisfaction and expectations of our customers, on how our organisation values the society, on product effectiveness as well as possible technical and economical conditions."

This means:

We follow a zero-fault strategy (preventing faults not detecting them).

We develop products that offer our customers competitive advantages.

We integrate all employees with responsibility for the quality of our products and services.

In communication with our customers, we find solutions to take the lead over competitors.

We plan solid and competent manufacturing procedures.

We develop the quality competence of our suppliers.

Responsibility

Cohline and quality – one word which every day influences the way we think and deal with ideas, development, purchasing and production of our products and services. Cohline Ltd compares itself to the best and achieves this only by continual improvement in all areas of the organisation.

"Our quality standard is based on the satisfaction and expectations of our customers, on how our organisation values the society, on product effectiveness as well as possible technical and economical conditions."

This means:

We follow a zero-fault strategy (preventing faults not detecting them).

We develop products that offer our customers competitive advantages.

We integrate all employees with responsibility for the quality of our products and services.

In communication with our customers, we find solutions to take the lead over competitors.

We plan solid and competent manufacturing procedures.

We develop the quality competence of our suppliers.

Future

Cohline Ltd is a group of performance orientated people who together want to achieve more. We see the future as an interesting challenge and have put our energy into shaping it successfully.

  • The quality of our products and services is dependent on the trust of our customers. The mutual performance safeguards jobs and the continued existence of the organisation.
  • Our motivation and competence to apply this quality policy in our daily work with be decisive for our reputation and good name for products and services.
  • High quality price conscious, up-to-date products and services that are manufactured on time and are environmentally conscious, a well as being flexible to external requirements are our way in the future.
  • Quality has a long tradition at Cohline Ltd. We want to keep and increase the trust of our customers by our comprehensive quality management in order to stay successful in Cohline markets and acquire new ones.

Environmental Awareness

Cohline and quality – one word which every day influences the way we think and deal with ideas, development, purchasing and production of our products and services. Cohline Ltd compares itself to the best and achieves this only by continual improvement in all areas of the organisation.

"Our quality standard is based on the satisfaction and expectations of our customers, on how our organisation values the society, on product effectiveness as well as possible technical and economical conditions."

This means:

We follow a zero-fault strategy (preventing faults not detecting them).

We develop products that offer our customers competitive advantages.

We integrate all employees with responsibility for the quality of our products and services.

In communication with our customers, we find solutions to take the lead over competitors.

We plan solid and competent manufacturing procedures.

We develop the quality competence of our suppliers.

We build long-term partnerships, not just products.

We combine engineering expertise with long-term partnership thinking to deliver solutions our customers can rely on.