The Mack RD600 1996 to 2004 Rock Guard Radiator Protector is a heavy-duty, lightweight black coated aluminum guard designed to protect your radiator from bugs, stones, and other small debris. This USA-made product helps reduce downtime and maintain optimal radiator performance, fitting most Mack RD600 1996 through 2004 models. With its practical design and durable construction, this radiator protector is a practical and essential addition to your vehicle, ensuring that your radiator stays protected and functioning at its best for years to come.