The term "Toyota 09 injector" typically refers to the replacement fuel injectors for 2009 Toyota models, most commonly the popular Toyota Corolla 1.8L or 2.4L, as well as the Matrix, Camry, and Prius. Depending on your engine type, the most common Original Equipment Manufacturer (OEM) part numbers are 23250-0T020 (for the 1.8L 2ZR-FE engine) and 23250-28080 (for the 2.4L 2AZ-FE engine