12V 130A CW W/6 Groove Pulley 100% New Aftermarket Alternator Fits Ford EXPLORER 4.0L(245) V6 2004-2008 Ford RANGER 4.0L(245) V6 2007-2009 Mazda B SERIES PICKUPS 4.0L 2007-2009 Mercury MOUNTAINEER 4.0L(245) V6 2004-2008 --- /2008 the Lester Number Was Changed From 8446 to 8519 Due to the Use of the Later Voltage Regulator in This Unit. Also It Was Originally Reported That the 8446 and 8519 May Have a Difference in Mounting But in 1/2010 It Was Verified That Both Share the Same Mounting When Two OE Cores Were Examined. The 5L2T-10300-AA Came With Regulator #VP4L2U-10316-AA - Verfifed 5/2008, and the 6L2T-10300-BA Came With the Same Regulator - Verified 10/2009