ACDelco 150 Amp Alternator - New - 84143543 Part #: 84143543 Line: ACD ACDelco 150 Amp Alternator - New 1 Year Limited Warranty Fan Type: Internal Polarity: Positive Rotation Direction: Clockwise Voltage Regulator Type: Internal New Or Remanufactured: New Pulley Included: Yes Pulley Type: Decoupler Pulley Diameter (in): 2-3/8 Inch Voltage (V): 12 Volt Pulley Diameter (mm): 60mm Amperage (A): 150 Amp OE Manufacturer: Denso Number Of Pulley Grooves: 6 One Wire Capable: No AC Tap: No Brushless Design: No Pulley Belt Type: Serpentine Cooling Method: Air Plug Clock Position: 12:00 Show More Show Less