Features: 1.Vehicle Fitment: Cabin air filter is replacement for Kenworth T660 T680 T800 T880 Models, replacement for Peterbilt 387 Series. 2.Part Number: The referencing part number of the air filter are S 9034, S28571, F37 1018, PA30269, AF56102. Please check the number before ordering. 3.Strong Filtration: Effectively filter dust, pollen, pollutants and other harmful substances in the air to ensure the clean and healthy air in the car. 4.High Efficiency: Air filter provide more air flow to improve the heating and cooling efficiency of the car air conditioner. 5.Long Lasting: Highly durable filter paper can be used for a long time, and resistant to deformation and damage, effectively reducing the frequency of replacement. Specification: Item Type: Cabin Air Filter_x000D_ Material: Filter paper_x000D_ Reference Part Number: S 9034, S28571, F37 1018, PA30269, AF56102_x000D_ Replacement Mode: Direct replacement_x000D_ _x000D_ Fitment:_x000D_ _x000D_ Replacement for Kenworth T660 T680 T800 T880 Models_x000D_ Replacement for Peterbilt 387 Series Note: 1.Please double check the part number of your item, matching information is for reference only._x000D_ 2.If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!