Browse Mack Pinnacle CXU613 Steps (Frame, Fuel Tank, Fairing) for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 7 listings. Mack Pinnacle CXU613 Frame Step pricing ranges from $75 to $150 based on recent marketplace data. Filter by condition, price, or year to find the right Mack Pinnacle CXU613 Frame Step.