[Manufacturer Part Number] 15778747. [Fitment] Fit for Cadillac CTS 2003-2007, for Cadillac STS 2005-2011, for Cadillac SRX 2004-2009. [Material] The windshield washer nozzles are made of plastic construction, it is built with long lasting durability, and for long service life. Direct fit, a good replacement for your old or broken one. [Function] This nozzle sprayer is designed to clean the windshield when there are dirty on it. Quickly spray the windshield to help driving have a clear view. Easy to install in a few minutes and effectively extend the wiper blade life time. [Package Included] 4 x Windshield Washer Nozzles.