2012 Western Star 4900FA, Truck Tractor, Coolant Reservoir, Fits to: Western Star 4900 FA, (USED) 2012 Western Star 4900 FA - Coolant Reservoir - Side: Driver Side. Color: Black. Material: Steel Motor: Detroit HDEP. 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 5KJJAEDR1CPBP7620, Part Make Shell 5KJJAEDR1CPBP7620