Interstate-McBee Kit - Cylinder Head Plug - MCB855HPK

The MCB855HPK Cylinder Head Plug is a precision-fit component designed to seal coolant or oil passages within the cylinder head of diesel engines. Made from high-quality materials, this plug offers superior resistance to heat, pressure, and corrosion—ensuring a leak-free seal and long-term engine protection. Ideal for engine rebuilds or cylinder head servicing, this plug is commonly used in Cummins® and other heavy-duty diesel platforms.

 Key Features:

• Reliable replacement for cylinder head expansion/freeze plug

• Helps seal internal coolant or oil ports in the cylinder head

• Made from corrosion-resistant steel or brass (material may vary by application)

• Precision-machined for a tight, leak-free fit

• Withstands extreme temperature and pressure conditions

• Ideal for Cummins® and other heavy-duty diesel engines