Fitting Vehicle Options: 11 - VAN WHEEL BASE , 12 - 113 WB, 14 - VAN WHEEL BASE, 15 - VAN WHEEL BASE, 16 - VAN WHEEL BASE, 2 - Med. Duty DODGE 2WD, 51 - WAGON WHEEL BASE 1, 52 - 113 WB, 54 - WAGON WHEEL BASE 4, 55 - WAGON WHEEL BASE 5, 56 - WAGON WHEEL BASE 6, L - LOWLINE