Toyota air filters are typically made using high-quality, pleated filter paper. The manufacturing process involves several steps, including:

1. Cutting: The filter paper is cut into the desired shape and size using specialized cutting machines.
2. Pleating: The filter paper is then pleated using machines that fold the paper back and forth in a specific pattern. This increases the surface area of the filter, allowing for more airflow and better filtration.
3. Sealing: The pleated filter paper is sealed along the edges to form a tight seal and prevent air from bypassing the filter.
4. Frame Assembly: The pleated filter paper is then inserted into a plastic or metal frame, which holds the filter in place and provides a secure fit in the air intake system.
5. Quality Control: The finished filters are tested to ensure that they meet the required standards for efficiency, airflow, and durability.
6. Packaging: The filters are packaged and labeled with the Toyota logo and part number, and shipped to dealerships and auto parts stores.Regular replacement of the air filter is important for maintaining the performance and efficiency of your Toyota vehicle. It is recommended to replace the air filter every 20,000 to 30,000 miles or more frequently if driving in dusty or polluted areas.