View 2 Photos View 0 Videos Cummins ISX12 Engine Brake Contact for price ISX12 Jake Brake Set, P/N's 4298972 - Part #: 4298972, Core Charge: 0.00 ConditionUsedStock Number179424 MLS Number14468257CategoryEngine Brakes / Jake Brakes Last Updated7/7/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info