The fuel pressure regulator sensor is not included. The 2004.5-2005 Chevy Silverado GMC Sierra Duramax Diesel CP3 Injection Pump H56 is a high-performance fuel pump designed by Bosch. It is specifically designed for diesel vehicles, providing superior fuel injection for improved performance. This part is a genuine manufacturer part number T21, making it a reliable and compatible choice for enhancing the fuel system of your vehicle. Upgrade your auto performance parts with this durable and efficient fuel pump to experience increased power and efficiency on the road.
