2013 Mack CXU613, Truck Tractor, Spindles/Knuckles, Fits to: Mack CXU613, (Used) 2013 MACK CXU613, FRONT SPINDLE/KNUCKLE- Part Number: 21608275, Serial Number: MONO1011906, Side: Passenger Right Side, Make: Meritor, Model: FF976MX31, Capacity: 5,443 Lbs, Hub Bolts: 10, Brake Type: 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 2013, VIN 1M1AW07YXDM023833, Axle Make Meritor 1M1AW07YXDM023833