The Kenworth W900L Stainless Steel Lower Coolant Tube is a durable and practical solution for Kenworth W900L models with Caterpillar 3176, C7, and C12 engines. Made from 304 stainless steel, this tube is built to last and fits seamlessly into your vehicle's cooling system. With its OEM and aftermarket number, K181-5870, you can trust that this product is a reliable replacement for your lower coolant tube. Sold individually, this tube offers a convenient and efficient solution for maintaining the performance of your Kenworth W900L.