Dayco Accessory Drive Belt Alternator For 1991-1993 Peterbilt 372 12.7L L6

1991 Peterbilt 372 Engine: 12.7L L6; with 30-1/2in Long Belt; Position: Alternator;. 1992 Peterbilt 372 Engine: 12.7L L6; with 30-1/2in Long Belt; Position: Alternator;. 1993 Peterbilt 372 Engine: 12.7L L6; with 30-1/2in Long Belt; Position: Alternator;.