The Peterbilt 379 Stainless Steel Coolant Tube is a practical and reliable solution for your Peterbilt 379 models with Caterpillar 3176 engines. Made from durable 304 stainless steel, this coolant tube is built to last. It fits most Peterbilt 379 models and is designed to replace OEM number 05-19738 and aftermarket number 0519738. With its high-quality construction and compatibility, this coolant tube ensures optimal performance and longevity for your vehicle. Trust in its reliability and enjoy the benefits of a well-functioning cooling system.