O Ring Products

O Ring Products

We believe our Cat® O-rings (also referred to as “toric joints”) are the best made mechanical gaskets in the world. They have to be. They are used on all Cat machines, equipment and power systems to prevent fluid contamination and deliver long, leak-free performance, under the most demanding conditions on the planet.


  • Meet or exceed SAE standards
  • Specifically matched to your Cat system’s different fluid types, temperatures, and pressures
  • Provide superior resistance to compression set
  • Feature special dimensional tolerances and O-Ring coatings for improved installation and performance
  • Marked with the Cat logo and part number for easy identification and protection against counterfeit seals
  • Over 2,500 O-ring types in stock
  • Money saving O-Ring Seal Kits and Re-sealable O-Ring Packages available


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