Product Description Diamond Gard Heavy Duty Starter, Fits International Cummins ISX/ISM/N14 1998-current, CAT C12/C15 1998-2003, CAT C13/C15 ACERT 2004-2009, Navistar MaxxForce15 ALL. Starter Relay #12-8583 Starter Solenoid #12-10581. See Attached Document for Additional Information.