The phrase "parts division" refers to a department or branch within a company that specializes in selling or distributing specific components or parts of a product. Full definition
Related to to a «drag pack» Camaro, Oppenheiser mentioned how his team collaborated with Chevy's Performance Parts division when working on the new ZL1. (roadandtrack.com)
Chrysler also offers complete new «crate» engines through its Mopar parts division in various displacements, these engines are built from entirely new parts. (en.wikipedia.org)
Mopar carried a line of «special parts» for super stock drag racers and developed its racing parts division called Mopar Performance Parts to enhance speed and handling for both road and racing use. (media.fcanorthamerica.com)