2021 Western Star 5700, Truck Tractor, Spindles/Knuckles, Fits to: Western Star 5700, (Used) 2021 Western Star 5700, COMPLETE SPINDLE KNUCKLE- Side: Driver Left Side, Material: Steel, Serial Number: 739912A0138501, Make: Detroit, Model: DA-F-13.3-3, Capacity: 13,300 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 2021, VIN 5KJJBHDR4MLMJ2676, Axle Make Detroit 5KJJBHDR4MLMJ2676