About Compatibility: 2001-2004 for Isuzu for NPR 4.8L, 2005-2007 for Isuzu for NPR 5.2L, 2001-2004 for Isuzu for NPR-HD 4.8L, 2005-2007 for Isuzu for NPR-HD 5.2L. About Fuel Injector: Using high-performance raw materials, the porous injector can achieve precise injection to save fuel to extent.. About Installation:Fits and works better like original OE parts, achieving perfect replacement, simple installation not only saves time but also brings better driving experience.. About Working principle: The fuel injector transports petrol from the fuel tank to the engine cylinder to provide power for the vehicle. After atomizing the fuel, it ensures that the fuel is evenly distributed in the combustion chamber, improves fuel economy..
