Interstate McBee - Replacement Inframe Kit for Cummins X15 - MCB6324448

The Interstate-McBee Replacement Inframe Kit (part #MCB6324448) is designed for select Cummins X15 EPA21 low-horsepower engines using the 150mm APR liner configuration. This inframe overhaul kit provides the major cylinder, bearing, gasket, and related components needed to rebuild worn internal engine components and restore proper compression, oil control, sealing, and engine performance.

Key Features

• Replacement inframe overhaul kit for Cummins X15 diesel engines
• Designed for EPA21 low-horsepower applications
• 150mm APR cylinder liner configuration
• Includes 6 cylinder kits
• Includes 6 connecting rod bearings
• Includes 6 piston cooling nozzles/oilers
• Includes main bearing set, upper gasket set, and oil pan gasket
• Designed as an OE-style replacement for heavy-duty diesel engine rebuilding

Compatibility & Installation Notes

• Fits select Cummins X15 EPA21 low-horsepower engines
• Compatible CPLs: 5348, 5535, and 5779
• 150mm APR cylinder liner configuration
• Verify engine serial number, CPL, liner size, piston configuration, and original part numbers before ordering
• Professional installation by a qualified heavy-duty diesel technician is recommended