AP03 3L2Z3B676B 425-384 Lower Steering Column Shaft for Explorer V8 4.6L 2002-2010, Explorer Sport Trac V8 V6 2007-2010 This lower steering column shaft is designed to fit specific Explorer and Explorer Sport Trac models.It is compatible with Explorer vehicles equipped with a V8 4.6L engine from 2002 to 2010 and Explorer Sport Trac models with V8 or V6 engines from 2007 to 2010.The part number is AP03 3L2Z3B676B 425-384.It connects the upper steering column to the steering gear, facilitating smooth transfer of steering input from the wheel to the front wheels.The unit is engineered for direct replacement, supporting proper alignment and responsive steering control.Installation requires standard mechanical tools and knowledge of steering system components.