What do Baby Ruth, nathan's hotdogs and Mt Kisco Truck & Auto Parts all have in common ? THEY ALL STARTED IN 1916. Since 1916, Mt. Kisco Truck & Auto Parts has been supplying auto, truck & industrial parts to the trade. We supply both common and hard to find parts and serve municipalities, repair shops and fleets throughout The Bronx, Westchester & Putnam Counties. Our prices are competitive and we bring over 100 years of experience to our customers.