PHINIA Inc. engages in the development, design, and manufacture of integrated components and systems that optimize performance, increase efficiency, and reduce emissions in combustion and hybrid propulsion for commercial and light vehicles, and industrial applications. It operates through two segments: Fuel Systems and Aftermarket. The Fuel Systems segment provides advanced fuel injection systems, including pumps, injectors, fuel rail assemblies, and engine control modules; fuel delivery modules; canisters; sensors; and electronic control modules. The segment also offers complete systems comprising associated software and calibration services, that reduce emissions and improve fuel economy for traditional and hybrid applications. The Aftermarket segment is involved in the sale of starters, alternators, and other new and remanufactured products, as well as maintenance, test equipment, and vehicle diagnostics solutions. It servs original equipment manufacturers of passenger cars, trucks, vans, sport-utility vehicles, medium-duty and heavy-duty trucks, and buses, as well as other off-highway construction, marine, and agricultural and industrial applications. The company was incorporated in 2023 and is based in Auburn Hills, Michigan.