Interstate McBee - Cummins B/ISB/QSB (S.T.O.R.M. block) Expansion Plug Kit - MCB6BEXPKS

The Interstate-McBee MCB6BEXPKS Expansion Plug Kit is designed for Cummins® B/ISB/QSB engine applications, specifically those built with the S.T.O.R.M. block. This kit includes all necessary expansion plugs to replace aging or worn-out plugs during rebuilds or preventative maintenance. Crafted with high-quality materials and engineered for precision fit, this kit helps ensure proper sealing and cooling system reliability in demanding diesel environments.

Key Features:

• Replacement kit for Cummins® B/ISB/QSB engines (S.T.O.R.M. block)

• Includes a complete set of OEM-grade expansion plugs

• Supports cooling system integrity and leak prevention

• Ideal for overhauls, rebuilds, or plug replacement maintenance

• Trusted quality from Interstate-McBee, backed by 75+ years of experience

Kit Includes (BOM Parts List):

• M-3922072 – Expansion Plug (5)

• M-3007635 – Expansion Plug (4)

• M-3900956 – Cylinder Block Expansion Plug (3)

• M-3900687 – Expansion Plug (1)

• M-3920706 – Expansion Plug (2)

• M-3900955 – Cylinder Block Expansion Plug (3)

• M-3900958 – Cylinder Block Expansion Plug (1)
  

⚠️ Opened packages are not eligible for return.