DB Electrical HO-7901-2-250 New Alternator For High Output 250 Amp 5.0L 5.7L 7.4L 5.0 5.7 7.4 Chevy C K Truck 89 90 91 92 93 94 95 1989 1990 1991 1992 1993 1994 1995 10463152 10463153 10463242 7901-2 100% 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 250 Amps, amperage output at 600 engine rpm (idle) will peak at 125 Amps