BorgWarner () is a U.S. automotive parts supplier, known for its manual and automatic transmissions and transmission components, (e.g., electro-hydraulic control components, Transmission Control Units, friction materials, and one-way clutches), turbochargers, engine valve timing system components, and 4-wheel drive system components. The company has manufacturing facilities in the U.S., Europe, and Asia, and provides highly engineered drivetrain component solutions to all three U.S. automakers as well as a variety of European and Asian customers. BorgWarner
has successfully diversified into several automotive-related markets, including ignition interlock technology (ACS Corporation est. 1976) for preventing impaired operation of vehicles.
BSU archives Warner Gear Division Collection (MSS 178), BorgWarner Corporation Collection (MSS 185), and UAW Local 287 of BorgWarner Records (MSS 165) - Ball State University Archives and Special Collections Research Center