DB Electrical AFD0010 New Alternator For Ford F100 F250 F350 Ranger Truck 5.0L 5.0 5.8L 5.8 87 88 89 90 91 92 1987 1988 1989 1990 1991 1992, Bronco 3.0L 3.0 91 1991 334-2231 ALT-F057 E99F-10300-BA 100% New aftermarket unit built to meet OEM specifications 1-year warranty protects you after your purchase Factory direct pricing with no middleman markup delivers exceptional value