The ECOGARD XA4727 Engine Air Filter is engineered to provide optimal air filtration for a range of Nissan and Infiniti vehicles, including the 2005-2020 Nissan Frontier, 2004-2015 Nissan Titan, 2005-2012 Nissan Pathfinder, 2005-2015 Nissan Xterra, 2005-2015 Nissan Armada, 2012-2021 Nissan NV2500, and 2004-2010 Infiniti QX56. This filter measures 11.38 inches in length, 9.65 inches in width, and 1.46 inches in height, featuring a flexible panel design that ensures a precise fit within the engine compartment. By effectively capturing airborne contaminants, the XA4727 maintains clean airflow to the engine, which is crucial for sustaining engine performance and longevity. Regular replacement of the engine air filter, ideally every 12,000 miles or as recommended by the vehicle manufacturer, helps prevent engine damage caused by dirt and debris, thereby reducing maintenance costs and downtime. The XA4727 is compatible with various models, including the Nissan Frontier 4.0L (2005-2019), Titan 5.6L (2004-2015), Pathfinder 4.0L (2005-2012), Xterra 4.0L (2005-2015), Armada 5.6L (2005-2015), NV2500 4.0L (2012-2020), NV1500 4.0L (2012-2020), NV3500 4.0L (2012-2021), and NV3500 5.6L (2012-2017), as well as the Infiniti QX56 5.6L (2004-2010).