The Peterbilt 357 1986 To 2007 Rock Guard Radiator Protector is a practical and reliable solution for protecting your radiator from bugs, stones, and other small debris. Made with heavy-duty yet lightweight black coated aluminum, this radiator protector helps reduce downtime and maintain optimal radiator performance. It fits most Peterbilt short nose models from 1986 to 2007, including the 375, 377, 357, 378, and 379. Manufactured in the USA, this product is designed to ensure durability and long-lasting protection for your radiator.