Western Star

Western Star Truck Parts, Remanufactured Engines & Assemblies

Conquering extreme payloads and severe environments requires heavy-duty Western Star engines and replacement parts. From factory-remanufactured Detroit DD15/DD16 and Cummins X15 drop-in engines to heavy-duty turbos, oil coolers, and drivetrain components, Motorspares Direct delivers severe-duty powertrain solutions for Western Star 4900, 4700, 57X, and 49X trucks.