DB Electrical ADR0411 New Alternator For Kenworth Freightliner Peterbilt 36Si 8600015, 8600055, 8600060 D8600127 D8700047 8600073 8600127 8600171 8600178 8600202 8600203 8700039 8700040 8700047 8614N 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