DB Electrical HO-8408-220 New Alternator for High Output 220 Amp 3.9L 3.9 4.2L 4.2 Ford Freestar 04 05 06 07 2004 2005 2006 2007, Mercury Monterey 4.2L 04 05 06 07 2004 2005 2006 2007 6F2Z-10346-BA 100% New aftermarket high output alternator built to meet OEM specifications 1-year warranty protects you after your purchase Factory direct pricing with no middleman markup delivers exceptional value Specs: Under full load conditions, amperage output at 1200 engine rpm will peak at 220 Amps, amperage output at 600 engine rpm (idle) will peak at 110 Amps