This Kenworth T2000 Stainless Steel Lower Coolant Tube is designed to fit most Kenworth T2000 models with Caterpillar 3406 engines. Made from durable 304 stainless steel, this tube is built to last and is sold individually. Its OEM and aftermarket number is F66-1056, making it a reliable replacement part for your vehicle. Upgrade your cooling system with this practical and high-quality coolant tube.