Clutch components are essential parts of a vehicle's transmission system that enable smooth gear changes. The main components include the clutch disc, pressure plate, and flywheel. The clutch disc connects the engine to the transmission, while the pressure plate applies force to the disc, allowing it to engage or disengage from the flywheel. When the driver presses the clutch pedal, the pressure plate releases the clutch disc, interrupting the connection between the engine and transmission. This action allows the driver to change gears without damaging the system. Proper functioning of these components is crucial for vehicle performance and longevity.