ElringKlinger AG is a development partner and original equipment supplier of cylinder-head and specialty gaskets, plastic housing modules, shielding components for engine, transmission, exhaust systems and underbody, exhaust gas purification technology as well as battery and fuel cell components to almost all of the world's vehicle and engine manufacturers. It operates through the following segments: Original Equipment, Aftermarket, Engineered Plastics, Services, and Industrial Parks. The Original Equipment segment develops, produces and sells components, and assemblies for vehicle engines, gearboxes, and exhaust systems for batteries and fuel cell components. The Aftermarket segment supplies a range of spare parts consisting of cylinder-head and specialty gaskets as well as complete gaskets sets and service parts, which are marketed under the Elring-Das Original brand. The Engineered Plastics segment manufactures and distributes technical products made of polytetrafluoroethylene plastics used in the vehicle, mechanical engineering, medical technology, and telecommunications industries. The Services segment offers development and testing services for transmission systems, engines, and exhaust systems. The Industrial Parks segment encompasses the lease and rental of land and buildings. The company was founded by Paul Lechler in 1879 and is headquartered in Dettingen an der Erms, Germany.