This GM Genuine Parts windshield washer fluid reservoir (part number 23146201) is made of plastic with dimensions of 21" length, 11" height, and 8" width. It is designed for front placement on vehicles like Suburban, Yukon, and Escalade. The reservoir features easy bolt-on installation, large displacement capacity, and is an OEM part from Mexico. It is not a vintage or performance part, and is specifically designed for certain vehicle models.