2012 Western Star 4900SA, Truck Tractor, Front Leaf & Springs, Fits to: Western Star 4900 SA, 2012 Western Star 4900 SB. Leaf springs, 2 leafs,4 , passenger side. For more information about this item call. We ship worldwide., Truck Year 2012, VIN 5KJJALDV4CPBR6762, Part# TBD 5KJJALDV4CPBR6762