Sinotruk parts include engines, transmissions, suspension systems, brake systems, tires, etc. Among them, engine parts mainly include crankshafts, connecting rods, valves, fuel injectors, high-pressure oil pumps, etc.; transmission parts include gears, clutches, etc.; suspension system parts include springs, shock absorbers, steering knuckles, etc.; brake system parts include brake pads, brake discs, brake pumps, etc.; tires are divided into different models and specifications.