Engine was manufactured in January of 2021 the serial number prefix 472912 typically fits trucks built in 2021-2024. It is a complete engine assembly as pictured including the Automated style clutch assembly with the same low miles. It had a Detroit DT12 automatic transmission connected to it The Engine Computer ECM, Turbo, Air Compressor are all included as well. - It does come with the air cleaner assembly as pictured.