View 5 Photos View 0 Videos DPF Filter for a Cummins ISX12 Recently Updated $1,850 USD 2018 Peterbilt 520 ISX12 Cabover DPF assembly. DPF P/N's in assembly: A052X406/4387838 and A040U857/5294226., Core Charge: 0.00 ConditionUsedFits To Make(s)CumminsFits To Model(s)ISX12Stock Number167397 MLS Number12424855CategoryDiesel Particulate Filters (DPF) Last Updated3/11/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info