The Freightliner FLD With Steel Tank Stainless Steel Coolant Tube is a practical and reliable product designed for most Freightliner FLD models with steel tanks. Constructed with durable 304 stainless steel, this coolant tube offers long-lasting performance. It is sold individually and fits seamlessly into your vehicle's cooling system. With OEM and aftermarket numbers A05-15980-000 and A051598000, this coolant tube ensures a perfect fit and hassle-free installation. Upgrade your Freightliner FLD with this high-quality stainless steel coolant tube for enhanced durability and efficient cooling.