Function: The cabin filter is located near the vehicle's internal air intake and filters the air you breathe while driving. It helps capture dust, pollen, pollution, and other airborne particles, contributing to improved air quality inside the vehicle. Fitment: Designed as a replacement for Dodge Ram 1500. It is recommended to replace the cabin air filter every 12,000 to 15,000 miles. More frequent replacement may be necessary under severe driving conditions such as dusty environments or areas with high levels of air pollution. Replacement Part Number: 68406048AA. A worn or dirty cabin air filter may cause unpleasant odors from the ventilation system. If airflow is reduced or odors persist, it is advisable to replace the filter. Installation: Simple installation process. Use a utility knife to carefully cut the opening along the designated ridge to accommodate the filter. Insert the filter into the prepared space and secure the cover, ensuring the tabs lock into place. What’s Included: 1 x Cabin Air Filter, 1 x Filter Access Door. Minor adjustments may be required for proper fitment. Specifications: Item Name: Cabin Air Filter Kit Main Material: Plastic Color: White Package Size: 25 x 23 x 5 cm Package Weight: 200g Package Contents: 1 x Cabin Air Filter, 1 x Filter Access Door