The most reasonably priced component used on the V6 4.3 Yems 1990 Engine Belts - Pulleys is the Wshr,flt,sae7/16".
This part-list fiche shows all the components that make up the V6 4.3 Yems 1990 Engine Belts - Pulleys .
The Belts - Pulleys assembly is constructed from several parts from which the Pulley,circ Wt Pmp is the most expensive.