Ignition Coil fit V8 Ford GT Mustang Lincoln Mark VIII Navigator Mercury UF-191 DG-543 DG-512 UF537 4L7Z12029AA F7LZ12029AC F7LZ12029AA DIRECT REPLACEMENT/ UPGRADE over your original stock coils. We only use the highest grade materials. This makes our product durable and reliable under extreme conditions while providing High Electrical Resistance, strong Spark from plugs, and being resistant to Corrosion and Abrasion IGNITION COIL PACK for, 4.6L 5.4L, Mustang 1999 to 2011, GT 2005 to 2006, Aviator 2003 to 2005, Navigator 1999 to 2005, Marauder 2003, Blackwood 2002, Continental 1998 to 2002, Mark VIII 1997 to 1998 FORD, LINCOLN, MERCURY owners please check fitment bar and description before you BUY IT as the ignition coil pack can change based on the year/ month of manufacture of your vehicle Compatible Part Numbers: C1141 DG478 DG512 DG487 DG492 FD499 UF191 One Year Warranty 2005-2007    AVANTI    AVANTI        V8    4.6L 2005-2006    FORD    GT        V8    5.4L 2003-2004    FORD    MUSTANG        V8    4.6L 1999            FORD    MUSTANG        V8    4.6L 2001            FORD    MUSTANG        V8    4.6L 2007-2012    FORD    MUSTANG        V8    5.4L 2013-2014    FORD    MUSTANG        V8    5.8L 2003-2005    LINCOLN    AVIATOR        V8    4.6L 2002-2003    LINCOLN    BLACKWOOD        V8    5.4L 1998-2002    LINCOLN    CONTINENTAL        V8    4.6L 1997-1998    LINCOLN    MARK VIII        V8    4.6L 1999-2004    LINCOLN    NAVIGATOR        V8    5.4L 2003-2004    MERCURY    MARAUDER        V8    4.6L 1999-2000    PANOZ    AIV ROADSTER        V8    4.6L 2001-2007    PANOZ    ESPERANTE        V8    4.6L 2001-2002    QVALE    MANGUSTA        V8    4.6L Eliminate misfire Direct replacement into vehicle Durable as they come Easy Installation Custom-made for the road Fit OE equipment with ease Tested in real life situations Most coils comepre-greased