; HomeHeavy Duty Truck PartsSteering & Steering PartsSteering GearsTRW/RossTAS40021Used 1991 TRW/ROSS TAS40-021 Steering Gear Used 1991 TRW/ROSS TAS40-021 Steering Gear Unfortunately this part is temporarily unavailable. View other TRW/Ross TAS40021 Steering Gears