Upgrade your Peterbilt 379, 378, 357, or 377 with this durable stainless steel lower coolant tube, designed to fit most models with Caterpillar C15 and 3406E engines. Constructed from 304 stainless steel, this tube is built to last and is sold individually. It is a practical and reliable replacement for OEM number 07-06462, and aftermarket number 0706462. Ensure your truck's cooling system is in top condition with this high-quality, long-lasting coolant tube.