The Freightliner FLD Stainless Steel Lower Coolant Tube is a durable and reliable product designed for Freightliner FLD models with Caterpillar engines. Made from high-quality 304 stainless steel, this coolant tube offers exceptional strength and longevity. It is sold individually and fits most Freightliner FLD models. With OEM and aftermarket numbers A05-15184-000 and A0215184000, this coolant tube is a practical and efficient solution for maintaining the cooling system of your Freightliner FLD truck.