Auto parts refer to the individual components or parts of a vehicle that are essential for its proper functioning and mechanical operation. These parts include things like engines, alternators, Starter motors, Shock absorbers, Struts, Spark plugs, Air filters, and Tires. transmissions, brakes, tires, batteries, suspension systems, and other critical components that are necessary for the vehicle’s performance, safety, and durability. Auto parts are often categorized as either OEM (original equipment manufacturer) or aftermarket, with aftermarket parts offering alternatives to original parts, typically at a lower cost.