Remanufactured from Weller, the Eaton B400 Power Steering Pump delivers reliable hydraulic performance, smooth steering assist, and long-lasting durability for heavy-duty trucks and bus applications. Built to OEM Eaton standards, this model is engineered for efficient fluid flow, consistent pressure output, and dependable operation under demanding driving and load conditions. With Weller’s precision remanufacturing process, the B400 Pump helps fleets reduce steering effort, extend service life, and maintain safe, responsive steering performance mile after mile.