1 0 Cummins ISC, ISL New Aftermarket Cylinder Head Contact for price ISC/ISL NEW AFTERMARKET CYLINDER HEAD, PRICE MATCH GUARANTEE, CALL TODAYor EMAIL FOR A QUOTE. Ships fast. 5529501, 4935780, 4933820, 4942135, 4989699, 5256469, 5347975, 5529501, 3969734,... Warranty Inspection Report ConditionNewEngine ModelISC, ISLFits To Make(s)CumminsStock NumberCM850, CM2150, CM2250, CM554, Natural Gas MLS Number11468248CategoryCylinder Heads Last Updated10/28/2025 LocationMinneapolis, MN, US Sold ByPilot Engines (844) 909-___ SHOWNUMBERCall Seller Email Seller Save More Info