| Parts equipment manufacturing that is not original equipment from the factory. | |
| The oil that is used in an automatic transmission | |
| In a manual transmission, a device that allows the driver to engage disengage the engine from the drivetrain; in automatic transmission, a device capable of both holding and turning members of the planetary gearset; a device used to engage and disengage and A/C compressor. | |
| The component to which the brake shoes, wheel cylinder related components are attached. |