View 5 Photos View 0 Videos Used Cummins ISX12 Front Jake Brake, Part # 4330249 $400 USD Used ISX12 Front Jake Brake, Position: Front ConditionUsedFits To Make(s)CumminsFits To Model(s)ISX12Part Number4330249Stock Number516-10541 MLS Number14325218CategoryBrake Parts Last Updated4/22/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info