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