The HELLA 358300221 Fuel Pump Assembly is engineered to deliver reliable fuel delivery for the 2004 Chevrolet Express 1500 equipped with a 5.3L V8 engine. This assembly includes the fuel pump, fuel sender unit, cable set, and seal, ensuring a comprehensive solution for your fuel system needs. Designed for direct fitment, it replaces multiple OE part numbers, including 19133515, 19133516, 19133519, 19153038, 19153042, 19303380, 19303381, 25362736, 25366555, 88965414, 89060659, and 89060662. The electric operation of the fuel pump ensures efficient fuel transfer, while the inclusion of the fuel sender unit provides accurate fuel level readings. The cable set and seal facilitate secure and leak-free connections, maintaining the integrity of the fuel system. This assembly is backed by a 1-year limited warranty, underscoring its quality and durability. By choosing the HELLA 358300221 Fuel Pump Assembly, fleet operators can expect enhanced operational efficiency and reduced downtime, contributing to the overall productivity of their vehicle fleet.