Auto parts alternator bearings 100% tested according to OEM standards; Dimensions, critical installation surfaces, and contact points measured, So perfectly fit your vehicle [NEW ALTERNATOR] ---- High output alternator provide electricity to the vehicle and recharge the battery. Made by precision CNC machining castings, Die-cast aluminum alternator, Pure copper winding, external insulating coating to prevent short circuit, stable and strong power for vehicle, If there is excess power, the power storage system will be fully utilized [RELEVANT FEATURES] ---- New Alternator Specs: Amperage: 100 Amp; Voltage: 12; Rotation: CW; Pulley Class: 1-Groove 10SI Series; Regulator: IR; Fan Type: EF / Overload & Overheat protection, No noise could be reflected in Alternator.