2012 Western Star 4900SA, Truck Tractor, Spindles/Knuckles, Fits to: Western Star 4900 SA, (Used) 2012 Western Star 4900 SA, COMPLETE SPINDLE KNUCKLE- Side: Passenger Right Side, Material: Steel, Part Number: C10-00026-003 Serial Number: MON00839984, Make: Meritor/Rockwell, Model: MFS13143ANN116, Capacity: 13,220 Lbs, Hub Bolts: 10, Brake Type: Air Drum, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921, Truck Year 2012, VIN 5KJJALDR8CPBN4842, Axle Make Meritor/Rockwell 5KJJALDR8CPBN4842