fuel supply to the engine. They include the fuel tank, fuel pump, fuel filter, fuel injectors, and throttle body. Interior and Exterior Trim: These parts contribute to the aesthetics and functionality of the vehicle. Examples include seats, dashboards, door panels, carpeting, headlights, taillights, mirrors, bumpers, and grille. Body and Frame Components: These parts form the structure of the vehicle. They include the chassis, frame, body panels, doors, windows, windshield, hood, and trunk.