The Peterbilt 387 2004 Through 2007 Bottom Tank is a practical and reliable product designed for Peterbilt 387 models with ACERT engines. It features a black finish and comes with a gasket included. This bottom tank is sold individually and fits most Peterbilt 387 models from 2004 to 2007. With its high-quality construction and compatibility, this tank ensures efficient and effective performance, making it an ideal choice for those in need of a replacement or upgrade.