The Kenworth T600 Stainless Steel Lower Coolant Tube is a practical and reliable solution for Kenworth T600 models with Caterpillar C13 and C-13ACERT engines. Made from durable 304 stainless steel, this coolant tube is designed to fit seamlessly and ensure optimal performance. With its OEM and aftermarket number, F66-1461 and F661461, this product offers a perfect replacement for your lower coolant tube needs. Its high-quality construction and compatibility make it a valuable addition to your vehicle, providing long-lasting durability and efficient cooling.