Caps and Plugs

View local pricing and inventory as well as place orders online.
{imgAlt}Cat® Caps and Plugs help protect machine and equipment components against damage, dirt, and moisture contamination and corrosion during repair. They also provide the same protection during component shipping and storage.

Over 250 Cap and Plug Products · Cap and Plug Kits

With over 250 specialized cap and plug supply products we make finding the right cap or plug easy. Shop here for an extensive array of cap and plug designs and sizes to meet your Cat engine and machine contamination control needs.
  • Cap and Plug Kits
  • Threaded Plug Protectors
  • Shipping Plugs
  • Hex Head and Hex Drive Plugs
  • Metric Threaded Plugs
  • Tapered Dual Function Caps and Plugs
  • Straight Thread O-Ring-Hex Drive Plugs
  • Pipe-Square Drive Plugs
  • British Thread – BSP/Gas Plug Protectors
  • And hundreds more – all shapes and sizes