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 Westchester and Putnam Counties. Our prices are competitive and we bring over 100 years of experience to our customers.