The GM 84134930 Windshield Washer Pump is an original equipment manufacturer (OEM) part by ACDelco designed for specific GM vehicles. This washer pump is brand new and never used, indicated by the "NOS" (new old stock) in the title. It is a crucial component of the vehicle's wiper system, ensuring clean windshields for optimal visibility while driving. The OE/OEM part number 84134930 is associated with this high-quality ACDelco product, providing a reliable and precise fit for compatible vehicles.