Product Description: This is a brand new, complete fuel pump assembly designed for select Chevrolet Silverado and GMC Sierra trucks. It serves as a direct-fit replacement for the original unit, offering a reliable solution for fuel delivery issues such as hard starting, stalling, or a faulty fuel gauge. This assembly includes the fuel pump, sending unit, strainer, and float, eliminating the need to purchase separate components or modify existing wiring. Manufactured to meet or exceed OEM standards, this unit ensures a straightforward installation and consistent performance. Specification: AC DELCO # MU1613, MU1516,MU1089,MU86 AIRTEX # E3500M BOSCH # 67305 DELPHI # FG0053 .