BorgWarner Inc. is a supplier of engineered automotive systems and components for powertrain applications. The Company operates through two segments: Engine and Drivetrain. The Engine segment's products include turbochargers, timing devices and chains, emissions systems and thermal systems. The Drivetrain segment's products include transmission components and systems, all-wheel drive (AWD) torque transfer systems and rotating electrical devices. The Company manufactures and sells products to original equipment manufacturers (OEMs) of light vehicles (passenger cars, sport-utility vehicles (SUVs), vans and light trucks). The Company sells the products to other OEMs of commercial vehicles (medium-duty trucks, heavy-duty trucks and buses) and off-highway vehicles (agricultural and construction machinery and marine applications). It also manufactures and sells its products to Tier One vehicle systems suppliers and into the aftermarket for light, commercial and off-highway vehicles.