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 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 Updated3/26/2025 LocationMinneapolis, MN, US Sold ByPilot Engines (844) 909-___ SHOWNUMBERCall Seller Email Seller Save More Info