MARKETS & SOLUTIONS TECHNOLOGY & INNOVATION LOCATIONS ABOUT US Contact Publications LEONI websites English WIRING SYSTEMS Trucks & Powertrain Robustness. Reliability. Optimised customer support. As a leading supplier of wiring systems, including engine harnesses, and associated components to truck and diesel engine manufacturers worldwide, we specialise in providing tailored product solutions. These have the robustness and reliability demanded by commercial vehicle applications. Our global footprint and key account management structure ensure that personal service and partnership support are always on hand – wherever and whenever it is required. Specialised connector systems, custom designed components, innovative logistics solutions – all part of our full service supply capability and expertise in supplying the global truck and diesel engine markets. For example, our pre-formed harnesses are widely used in truck and engine applications. This approach provides complete protection for the harness from oil, diesel, water and salt as well as from thermal and mechanical stress. In addition, the defined form of the harness makes it easier to fit to the vehicle. From the initial design studies to the safe installation of the final product, LEONI delivers the full package. Contact For further information please contact us. More on us Want to get to know us better? Have a look on our business profile and our visions. Where we are? Always close to you. Find our locations in Europe, Americas, Africa and Asia. Wiring SystemsMarkets & solutionsTrucks & Powertrain Overview Markets & solutions Technology & innovation Locations About us Markets Passenger cars Trucks & Powertrain Off-road Automotive suppliers Service Contact Publications Search Sitemap Follow LEONI: Imprint Data protection Legal notice Privacy settings Cookies that essential for technical reasons are set on this webpage so we can provide users with our offers. A cookie that stores your current privacy settings is also set (selection cookie). With the exception of the selection cookie, technically non-essential cookies and tracking mechanisms, that enable us to provide you with customized offers (marketing cookies and tracking mechanisms), are only used if you have given prior consent to such use: Read more about our privacy policy. Consent to marketing cookies Read more » When clicking "Save" only the cookies you selected will be used. Under your privacy settings ,you can withdraw at any time the consent that you granted here with immediate effect. Consent to marketing cookies Save By clicking on "consent to marketing cookies", you also consent to your data being processed in the USA in accordance with Art. 49 Para. 1 S.1 lit.a GDPR. The USA is considered by the European Court of Justice to be a country with an inadequate level of data protection according to EU standards. In particular, there is a risk that your data may be processed by US authorities for control and monitoring purposes, possibly without the possibility of judicial remedy. Data protection notice (Privacy policy) | Corporate Information