Core/Cup Plugs

Looking for a plug solution? Click here to request a quote!

Mercury Products proprietary Sealrite core plugs are fabricated from a wide range of material offerings including cold-rolled steel, brass, stainless steel, aluminum, Galvalume®, or your specified material and finish.

The plugs feature a tapered edge that creates a spring-lock effect for a positive seal that prevents leakage.

Many special diameters, wall heights, and thicknesses can be accommodated, usually without additional tooling charges.

Applications

Automotive and non-automotive:

  • Gasoline and diesel engines
  • Transmissions
  • Transfer cases
  • Gear boxes, etc.

Materials

Cold-rolled, brass, stainless steel, aluminum, Galvalume®, or your requested material.

Sizes

Standard diameters range from ½” up over 3 ¼” or sized accordingly to meet your core plug design needs.

Finishes

Zinc plated or other finishes are available.

Applications

Our cup plugs are designed to serve a wide range of applications in both Internal Combustion Engine (ICE) and Electric Vehicle (EV) drivetrains, providing precision and reliability across various components:

  • Electric Vehicle (EV) Drive Train – Power Transfer Casings

  • EV Transmission and Power Modules
  • Internal Combustion Engine (ICE) Cylinder Heads
  • ICE Engine Blocks
  • EV and ICE Oil Pumps
  • ICE Turbo Chargers
  • EV and ICE Gearboxes/Transmissions
  • EV and ICE Final Drive Assemblies
cup plugs

We have the capabilities, products, quality and service you demand.

Just give us a call and we’ll show you what it’s like to work with the best.

Contact Info