The Freightliner Columbia 112/120 Fan Blades & Shrouds product lineup offers a variety of essential cooling components for Freightliner and Sterling trucks with Mercedes engines. This collection includes replacement fan blades, idler pulleys, and clutch valves to help maintain optimal engine temperatures and airflow. Key features include durable 9-blade and 11-blade fan designs, oval centers for a secure fit, and direct-replacement compatibility with popular engine models. Customers can also find related parts like belt tensioners and solenoid valves to keep their Freightliner or Sterling truck's cooling system running smoothly. Whether you need to upgrade, repair, or replace your fan blades and shrouds, this product lineup has the high-quality, Bestfit parts to get the job done right.