Description: Front. Tahoe, Yukon, Escalade. Avalanche, Escalade EXT. Escalade ESV. Silverado, sierra hybrid. Pumps fluid from washer fluid reservoir, through the washer nozzle, onto your windshield to help wash away dirt Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type