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Witzenmann products are delivered to all reputable automotive and system manufacturers today.
For the exhaust gas area, decoupling elements or expansion elements of different designs are manufactured that decouple vibrations, heat expansion or engine movements. Flexible exhaust gas re-circulation lines contribute significantly to improved pollutant emissions, and the formation of nitrogen oxides in the combustion process is reduced.
In oil, fuel and cooling circuits, the advantages of flexible metal lines include their absolute gas and diffusion tightness, long service life and temperature resistance. This is an essential criterion, especially when they are routed close to exhaust manifolds, turbochargers or the exhaust system.

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Automotive Components close to the Engine

Witzenmann manufactures exhaust gas expansion elements fitted close to the engine and high pressure resistant bellows elements.

  • technically gas-tight
  • for compensation of vibrations, thermal expansions and fitting tolerances
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Automotive Components in the Exhaust System

In the exhaust gas area, decoupling elements of various designs are used as hose joints or conduits. They absorb vibrations, thermal expansions and engine movements.

  • universal applications
  • with round or oval cross-section
  • temperature and corrosion resistant
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Pipes and Pipe Assemblies

Flexible or semi-flexible pressure-resistant pipes are used as cooling water, oil and air-conditioning ducts as well as charged air lines.
This involves flexible and tube geometries adapted to suit the customer's specific needs, which offer the best technical and economical solutions using various production processes and materials.

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Automotive Components for New Mobility

In the field of alternative drive types (hydrogen, e-mobility etc.), our thin-walled pipes are used to transport media, to protect sensible cables and to absorb system movements.

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Other Automotive Components

Corrugated hoses that are reliably tight conduct hydraulic oils, cooling water or gases. Extremely flexible protective hoses protect the electrical cables from mechanical and thermal loads and absorb high tractive forces.

  • a wide range of geometries
  • mechanically and thermally resistant
  • sturdy
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There is nothing like direct contact. We will gladly take the time for a personal discussion and answer your questions individually.
Please send us your inquiry using our contact form and we will then contact you immediately.