Spec: Unit Type: Alternator, Voltage: 12, Rotation: CW, Amperage: 110, Clock: 11, Pulley Class: S6, Regulator: IR, Fan Type: IF Replaces OEM Numbers: ARROWHEAD: 400-48055, ARROWHEAD (OEM): A3TB4291, J & N: 400-48055, LESTER: 11051, MITSUBISHI: A3TB4291, NISSAN: 23100-AM610, REMY LIGHT DUTY: 12447 Compatible With/Replacement For: INFINITI: G35 2003-2004, QX4 2003, NISSAN: PATHFINDER 2003 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. But in a rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you, contact us for a replacement. Please check the Amazon Confirmed Fit bar to ensure compatibility with your vehicle. If the confirmed fit bar has an "i" in a blue circle, this product has additional notes. Please hover over the “i” to see notes before making your purchase.