The Western Star Stainless Steel Lower Coolant Tube is a durable and reliable product designed for Western Star models with Detroit 60 Series Engines. Made from 304 stainless steel, this coolant tube is built to last. It fits perfectly with OEM Number 20406-3517 and 204063517. With its high-quality construction, this coolant tube ensures optimal performance and longevity. Practical and efficient, this product is a must-have for any Western Star owner looking for a reliable replacement part.