Versatile Engine Sealing Components

These engine core hole plugs, also known as frost or expansion plugs, are precision-engineered components designed to seal core holes in engine blocks and industrial machinery. By expanding securely into position, they prevent coolant leaks and offer essential protection against frost damage. Available in various sizes and materials, these plugs are vital for maintaining the structural integrity and optimal performance of automotive and heavy-duty cooling systems.

Applications

• Sealing engine block core holes
• Fluid system integrity
• Frost damage prevention
• Coolant leak containment

Key Features