Specs: Unit Type: Alternator, Voltage: 12, Rotation: CW, Amperage: 220, Clock: 1, Pulley Class: S6, Regulator: IR, Fan Type: IF Compatible with/Replacement for ARROWHEAD: 400-14173, FAMILY: 4G, J & N: 400-14173 Compatible With / Replacement For: FORD CROWN VICTORIA 2003-2005, LINCOLN TOWN CAR 2003-2005, MERCURY GRAND MARQUIS 2003-2005 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.