Part Description BACK 2017 PACCAR MX13 (Stock # 418B DEF TANK) DEF Tanks $500.00 Quantity 1 Add to Cart Part Type DEF Tanks Truck Make Peterbilt Truck Model 579 VIN 1XPBDP9XXHD442583 Truck Year 2017 Engine Make PACCAR Engine Model MX13 Condition Used Description USED DEF TANK FROM THE PASSENGER SIDE OF A 2017 PETERBILT 579.