This product is a windshield washer fluid reservoir manufactured by Dorman (OE Solutions) with the manufacturer part number 603-117. It is designed to fit 2011-2013 Silverado models and comes without a cap. The attachment type is screw-on or bolt-on, and it is made of plastic. The reservoir is easy to install and is not a universal fitment. It is not a vintage or performance part and is intended for front placement on the vehicle. Exact item is shown. This is new with partial original packaging, which was damaged in transit. Made in Taiwan. No returns if installed. Cap in stock photo NOT included. This item is a new, opened customer return. It has been inspected and passed quality control to insure the condition described and contents are accurate. Please review actual photos as stock photos are not the actual item, our photos are.