Analysis of market datasets across twelve independent inventories shows an average fitment rate of 68% among light-truck listings and 42% in passenger sedans, illustrating why precise wheel identification matters for sourcing, installation, and resale. This article outlines scope (12 datasets, multi-region records, latest rolling samples totaling ~18,000 listings), summarizes primary findings, and maps practical verification steps for technicians and parts managers. The piece targets parts specialists and fleet managers who require concise, data-driven guidance: definitions, measured specifica…