Specs: Unit Type: Alternator, Voltage: 12, Rotation: CW, Amperage: 135, Clock: 10, Pulley Class: S6, Regulator: IR, Fan Type: IF Replaces OEM Numbers: ARROWHEAD: 400-14083, FORD: 5W1T-10300-AB, 5W1Z-10346-AA, 6W1T-10300-AA, 6W1Z-10346-AA, J & N: 400-14083, LESTER: 8472, GL-617, GL-661, GL-972RM, REMY LIGHT DUTY: 23786, VISTEON: HZ Compatible With/Replacement For: FORD: CROWN VICTORIA 2006-2008, LINCOLN: TOWN CAR 2006-2008, MERCURY: GRAND MARQUIS 2006-2008 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. 100% New aftermarket Alternator built to meet OEM specifications for Ford, Lincoln, Mercury