The SM 5383 Starter Armature is a high-precision electrical component specifically engineered for the Delco-style (DEL. Type) starter motors used in the Chevrolet Optra 1.6L petrol sedan. Featuring a precision-machined 10-teeth (10T) drive gear and high-conductivity copper windings, this armature is designed to provide the rapid, reliable cranking torque required for the E-TEC II 16-valve engine. The DEL-type configuration ensures a perfect factory-standard fit, while the precision-balanced rotor and advanced heat-resistant insulation offer superior durability for smooth, quiet ignition performance in everyday driving conditions.