Car grille components primarily consist of the main grille, which is the central part of the front fascia that houses the brand logo and allows for proper airflow to the engine. Additionally, it often includes surrounding trim pieces, such as chrome accents or mesh inserts, that enhance the vehicle's aesthetic appeal and contribute to its overall design. These components work together to not only give a car its unique look but also serve functional purposes like cooling the engine and directing airflow for better performance.