Interstate McBee - Replacement Inframe Kit for Cummins ISX CM2250 - 150mm APR - M-5579450

The Interstate-McBee Replacement Inframe Kit (part #M-5579450) is a complete inframe overhaul kit for select Cummins ISX15 EPA 2010 CM2250 engines using the 150mm APR liner configuration. Designed for heavy-duty engine rebuilding, this kit includes the major cylinder, bearing, gasket, and related components needed to restore proper compression, oil control, sealing, and engine performance.

Key Features

• Classic inframe overhaul kit for Cummins ISX15 diesel engines
• Designed for EPA 2010 CM2250 applications
• 150mm APR cylinder liner configuration
• Includes 6 cylinder liner kits and 6 piston kits
• Includes standard connecting rod bearings for machined/saw-cut connecting rods
• Includes main bearing kit and upper engine gasket set
• Includes additional sealing and engine components required for inframe service
• Interstate-McBee replacement components designed for heavy-duty diesel engine applications

Compatibility & Installation Notes

• Fits select Cummins ISX15 EPA 2010 CM2250 engines
• Compatible CPLs: 3348, 3376, 3490, 3491, and 3688
• 150mm APR cylinder liner configuration
• Associated Cummins piston part number: 3688099
• Designed for applications using machined/saw-cut connecting rods
• Verify engine serial number, CPL, piston configuration, liner size, and connecting rod type before ordering
• Professional installation by a qualified heavy-duty diesel technician is recommended