FITMENT:Car Alternator Replecement for Chevrolet for Sonic 1.4L 2012-2016 OEM PART MUNBER:OEM Alternator to ensure exact fit, form, and function.13500582, 13579663, 1202120, 1202284 240-6356, 400-12737, 22030, 10184 SPECIFICATIONS:Voltage: 12V; Amperage: 100A; Rotation: CW(Clockwise); Regulator: IR ; Fan: IF; Grooves: SC6 Pulley Class GOOD QUALITY:Alternators are manufactured under strict quality guidelines and tested in an endurance simulator to ensure OE quality and function. Ensures cranking and starting performance under all temperature extremes. STABLE AND EFFICIENT:Automotive Replacement Alternators are computer tested for voltage stability, terminal function, and circuit board integrity.Engineering enhancements to internal components give an efficient unit for your vehicle to ensure stable voltage output.