Engine Oil Cooler Gasket Kit Fits Cummins M11, CM, ISM. Always reference your oem numbers prior to buying. Review all photos and dimensions as there may be more than one option for your year, make and model. Applications: Fits Cummins Engine Models: M11, CM, ISM, QSM Our Part Number: 24636 Included: (2) Rectangular Gaskets (2) Rubber O-Rings Used with OEM Part Numbers: 4975859, 3161781, 3081359 Notes: Includes GASKETS ONLY ACS oil cooler p/n – 24047 ACS oil cooler with gasket kit p/n – 24618. 100% leak tested from the factory. Guaranteed fit and function.