1、OE Number: The referencing OE number of this fuel tank sending unit are 25060 4S426, 250604S426, which is molded and designed depend on the original data. 2、Fitment: The fuel pumps sending unit is a replacement for Frontier 1999‑2004, please check the model and year of manufacturing before ordering. 3、Stable Performance: Dependable fuel level readings are achieved consistently with this unit, enhancing driving safety by giving accurate information on the fuel level readout. 4、Enhances Fuel Efficiency: By providing accurate fuel level information, this sending unit contributes to improving fuel efficiency, helping drivers manage fuel consumption more effectively. 5、Fine Workmanship: Manufactured with advanced production techniques resulting in more stable performance and sensitive response, offering precise fuel level reading.