Seals & O-Rings

Cat® O-rings or “toric joints” are the industry’s best mechanical gaskets simply because they have to be. These inexpensive, reliable O-rings prevent fluid contamination while delivering long, leak-free performance under the most demanding jobsite conditions. Whether it’s for a Cat machine or power system, we have more than 2,500 O-rings in stock, along with money-saving O-Ring Seal Kits and Re-sealable O-Ring Packages. You can have confidence in Cat O-rings’ performance knowing that they:

  • Meet or exceed SAE standards
  • Match your Cat system’s different fluid types, temperatures, and pressures
  • Provide superior resistance to compression set
  • Feature special dimensional tolerances and coatings for improved installation and performance
  • Utilize the Cat logo and part number for easy identification and counterfeit protection
Payment Calculator

Payments calculated using this tool are estimates only and do not include applicable taxes, insurance, and other fees. Actual prices, interest rate, and payments may be different. Financing payment calculations are based on APR and term. Actual payment and terms are subject to approved credit with Cat Financial Services Corporation or other funding sources. Not all customers will qualify.