parts and components for vehicles; namely, batteries for motor vehicles, electric wiring switches, voltage regulators, resistors, relays, fuses, electric wire and cable, radio receiving sets and parts therefor, electric lighters for motor vehicles, speedometers, ammeters, oil gauges, fuel gauges, temperature gauges, thermostats, commutators, commutator brushes, locking electrical ignition switches, electrical cut-outs, electric lamp sockets