EFI is a brand of auto parts that specializes in the production of fuel injection, ignition, and engine management systems. Their products are designed to improve the performance and efficiency of engines, while also reducing emissions. The brand produces parts for a variety of car and truck brands, including Ford, GM, Chrysler, Dodge, Jeep, and Mercedes-Benz.
EFI produces a range of spare parts, such as fuel injectors, fuel pumps, ignition coils, spark plugs, and sensors. They also offer a range of engine management systems, including ECUs, throttle body units, and turbochargers. These parts are designed to improve engine efficiency, reduce emissions, and help to provide better fuel economy.
The quality and reliability of EFI's spare parts are generally considered to be very good. They are also known for their reasonable prices compared to other brands. The majority of their factories are located in the US, with a few plants in Europe and Asia.