The Nut is the cheapest item from this partsfiche.
This Wheels/tires diagram displays the required parts for the Kaf620-pbf Mule4000 2011 Usa Wheels/tires.
Some items from this specific schematic: Valve, Rim,10x8.5at,f.s.blac, Nut, Tire,23x11.00-10 4pr.
