The Peterbilt 357, 359, 377, 378, and 379 Stainless Steel Lower Coolant Tube (OEM Number 07-06927) is a durable and practical solution for your Peterbilt truck. Made from 304 stainless steel, this coolant tube is built to last. It fits most Peterbilt 359, 377, 378, 357, and 379 models with Cummins ISM engines. Whether you need a replacement for your OEM or aftermarket coolant tube, this product is a reliable choice. With its high-quality construction and compatibility with various models, it ensures optimal performance and longevity for your truck's cooling system.