2012 International PROSTAR, Tractor Trailer, Spindles/Knuckles, Fits to: International PROSTAR, (Used) 2012 International Prostar, COMPLETE SPINDLE KNUCKLE- Side: Driver Left Side, Material: Steel, Serial Number: DRF11155604, Part Number: 3899615C91, Make: Meritor/Rockwell, Model: MFS12143ANN217, Capacity: 12,000 Lbs, Hub Bolts: 10, Brake Type: Disk, 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 3HSDJSJR7CN672745, Axle Make Meritor/Rockwell 3HSDJSJR7CN672745