Interstate McBee - Replacement Inframe Kit for Cummins ISXCM2250-150mm APR - M-5579460

The Interstate-McBee Replacement Inframe Kit (part #M-5579460) is a complete inframe overhaul kit for select Cummins ISX15 engines using the 150mm APR liner configuration. Designed for heavy-duty engine rebuilding, this kit includes the major cylinder, bearing, gasket, and related components required for an in-frame overhaul. The kit includes both machined and fractured connecting rod bearing types to accommodate applicable engine configurations.

Key Features

• Classic inframe overhaul kit for select Cummins ISX15 engines
• Designed for CM2250 applications using 150mm APR liners
• Includes 6 cylinder liner kits and 6 piston kits
• Includes both machined and fractured connecting rod bearing types
• Includes main bearing kit and upper engine gasket set
• Includes oil pan gasket, thermostat, pressure relief valve, piston cooling nozzles, and related installation components
• Interstate-McBee replacement components designed for heavy-duty diesel engine applications

Compatibility & Installation Notes

• Designed for select Cummins ISX15 CM2250 applications
• 150mm APR cylinder liner configuration
• Cummins specifically identifies 5579460 as the 150mm Classic kit for CM2250 CPL 3719
• Additional application references list CPL 3724, 3937, 3657, 4583, and 4586
• Includes both machined and fractured connecting rod bearing types
• Verify engine serial number, CPL, liner size, piston configuration, and connecting rod type before ordering
• Professional installation by a qualified heavy-duty diesel technician is recommended