2023 PACCAR MX13, Truck Tractor, Alternators, Fits to: Peterbilt 579, (Used) 2023 Peterbilt 579, ALTERNATOR- Make: Delco Remy, Series: 3681, Model: 8600203, Serial Number: 21M07, Volts: 12, Ground: Negative, Amps: 160, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Truck Year 2023, VIN 1XPBDP9X6PD708051, Part# 8600203 1XPBDP9X6PD708051