Litens 900500A. is a steel accessory drive idler pulley designed specifically forInfiniti andNissan vehicles. Nissan Altima: (2007–2018) 3.5L V6. Nissan Maxima: (2009–2021) 3.5L V6. This part fits a wide range of modern Nissan and Infiniti models, including high-performance and standard engines.