The Peterbilt 357, 359, 377, 378, and 379 Stainless Steel Lower Coolant Tube (OEM Number 07-07034) is a practical and reliable solution for your Peterbilt truck. Made from durable 304 stainless steel, this coolant tube is designed to fit most Peterbilt 357, 359, 377, 378, and 379 models with Cummins ISX engines. With its OEM and aftermarket numbers (07-07034 and 0707034), this coolant tube offers a perfect fit and long-lasting performance. Invest in this high-quality product to ensure efficient cooling and optimal engine performance for your Peterbilt truck.