The ECOGARD X4006 Engine Oil Filter is engineered to provide reliable engine protection for a wide range of vehicles, including models from Buick, Cadillac, Chevrolet, GMC, and Hummer. Designed as a spin-on filter, it features a cellulose filter media that effectively captures contaminants, ensuring optimal engine performance. The filter's dimensions include a height of 3.15 inches and an outer diameter of 2.99 inches, with an inside thread size of 13/16"-16UNF-OS, facilitating easy installation and a secure fit. Equipped with both an anti-drain back valve and a bypass relief valve, the X4006 ensures consistent oil flow and prevents dry starts, contributing to the longevity and efficiency of the engine. This filter is compatible with various vehicles, including the 2004-2007 Buick Rainier, 2003-2006 Cadillac Escalade, and 2003-2006 Chevrolet Silverado 1500, among others. By choosing the ECOGARD X4006 Engine Oil Filter, fleet operators can maintain engine health, reduce maintenance costs, and enhance vehicle reliability, leading to improved operational efficiency.