ElringKlinger AG operates as an independent development partner and equipment manufacturer, which engages in the production and distribution of parts and assemblies used in engines, transmissions, exhaust systems, and vehicle bodies, alongside components for lithium-ion batteries and fuel cells. It operates through the following segments: Original Equipment, Aftermarket, Engineered Plastics, Services, and Industrial Parks. The Original Equipment segment focuses on the development, production, and sale of components and assemblies for vehicle engines, gearboxes, and exhaust systems for batteries and fuel cell components. The Aftermarket segment deals with the supply of a range of spare parts, which consists of cylinder-head gaskets and specialty gaskets sets. The Engineered Plastics segment engages in the manufacture and distribution of technical products made of polytetrafluoroethylene plastic. The Services segment includes the provision of development services for engines, transmissions, and exhaust tract. 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.