ZF is a German industrial and technology group, ZF Friedrichshafen AG, and one of the world’s largest manufacturers of automotive components and systems for the transportation industry. The company was founded in 1915 in Friedrichshafen, Germany, and over more than a century it has become one of the leading global suppliers of technologies for passenger cars, commercial vehicles and industrial machinery. Under the ZF brand a wide range of original and aftermarket automotive components is produced, including automatic and manual transmissions, drivetrain components, suspension parts, steering systems, braking components, shock absorbers, active safety systems, electronic control units and various powertrain components. In addition to its own products, ZF also manages several well‑known automotive brands such as Sachs, Lemförder, TRW and others. ZF products are widely used both as original equipment by major vehicle manufacturers and in the global aftermarket spare parts market. All components are developed according to strict engineering standards and undergo extensive testing for reliability, safety and durability. According to feedback from automotive service professionals and vehicle owners, ZF parts are known for their high manufacturing quality, precise compatibility and long service life. Users frequently highlight the stable performance of transmission and suspension components as well as their compliance with original vehicle specifications. The most commonly mentioned drawback is the relatively higher price compared with some alternative brands, although many specialists consider ZF products to be among the benchmark standards of quality in the automotive components industry.