The Western Star Winterfronts are a practical and durable solution for your truck's winter needs. Made with heavy-duty white vinyl material, these winterfronts are designed to withstand harsh weather conditions. They can be easily installed using existing or OEM hardware, and drilling is required. Available in white, these winterfronts fit most Western Star 4800 and 4900 Heritage models from 1981 and newer, as well as 4900FX and 4900SX SA/SB Slope HD Series trucks from 1999 through 2017. They also fit most 4900SF and 4900SX FA/SF Slope HD Series trucks from 1999 through 2017.