The Kenworth T660 Stainless Steel Lower Coolant Tube is a durable and reliable replacement part for OEM Number F66-2281. Constructed from high-quality stainless steel, this coolant tube is designed to fit most Kenworth T660 models. It is sold individually and is suitable for both OEM and aftermarket use, with part numbers F66-2281 and F662281. This practical and long-lasting coolant tube is an essential component for maintaining the performance and efficiency of your Kenworth T660.